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Porsche > Boxster 718 (982) 2017>> > Engine Rebuild Parts >

Chains & Tensioners

Chains & Tensioners

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DISPLAYING 1 to 16 (of 16 products)
Engine Timing Chain Kit. Porsche 982 Boxster 2.0L / 2.5L 2017>> - 0PB109507G, 0PB109509B, 0PB109514A, 9A210514801, 0PB109513B, 0PB109508B, 9A110523302
1
Engine Timing Chain Kit. Porsche 982 Boxster 2.0L / 2.5L 2017>>
ENGINEKIT982.OE
Product Information
Product Information
Engine Timing Chain Kit.
Restore the precision and reliability of your engine with this complete Engine Timing Chain Kit, designed for Porsche 982 Boxster 2.0L / 2.5L engines. This kit includes all critical components needed to rebuild the timing chain assembly to factory standards, ensuring smooth, accurate timing and long-term durability.

Fits:
  • Porsche Boxster 718 2.0L Manual (300 Bhp)
  • Porsche Boxster 718 2.0L PDK (300 Bhp)
  • Porsche Boxster S 718 2.5L Manual (350 Bhp)
  • Porsche Boxster S 718 2.5L PDK (350 Bhp)
  • Porsche Boxster T 718 2.0L Manual (300 Bhp)
  • Porsche Boxster T 718 2.0L PDK (300 Bhp)
  • Porsche Boxster GTS 718 2.5L Manual (365 Bhp)
  • Porsche Boxster GTS 718 2.5L PDK (365 Bhp)  

Diagram Ref No 1, 4, 5, 6, 9, 10, 11

What These Product Do:

This Engine Timing Chain Kit rebuilds the entire timing system responsible for synchronizing the crankshaft and camshafts. It includes the timing chain, hydraulic tensioner, and all major guide/slide rails. Together, these components:

  • Keep the timing chain properly tensioned
  • Guide the chain smoothly around the engine’s timing path
  • Maintain precise valve timing for correct combustion
  • Reduce chain vibration, noise, and wear
  • Ensure stable performance across all RPM ranges

Symptoms of Timing Chain System Failure:
  • Rattling or metallic chain noise, especially at cold start
  • Check Engine Light, often with cam/crank correlation codes
  • Rough idle, hesitation or misfires due to incorrect valve timing
  • Loss of power or reduced performance
  • Metal shavings in the oil from worn guides or chain
  • Oil leaks from the tensioner area
  • Hard starting or no start if timing becomes severely out of sync

Why Replacement Matters:
  • Prevents catastrophic engine failure: A stretched chain or broken guide can cause the chain to jump teeth, leading to valve-to-piston contact — often requiring a full engine rebuild.
  • Restores quiet, smooth operation: New guides, tensioners, and chain eliminate rattles and vibration.
  • Ensures precise valve timing: Proper timing is essential for power, fuel efficiency, and correct emissions.
  • Protects your engine long-term: Worn timing components accelerate wear on other internal engine parts.



Related reference numbers
Related, superseded, cross reference or alternative numbers for comparison.

ENGINEKIT982.OE
0PB109507G
0PB109509B
0PB109514A
9A210514801
0PB109513B
0PB109508B
9A110523302

The product you are viewing cross references to these numbers
Engine Timing Chain Kit. Porsche 982 Boxster GTS 4.0L 2017>> - 0PB109507E, 0PB109509B, 0PB109513B, 0PB109252B, 0PB109514A, 0PB109229A, 0PB109508B
1
Engine Timing Chain Kit. Porsche 982 Boxster GTS 4.0L 2017>>
ENGINEKIT982.GTS.OE
Product Information
Product Information
Engine Timing Chain Kit.
Restore the precision and reliability of your engine with this complete Engine Timing Chain Kit, designed for Porsche 982 Boxster GTS 4.0L engine. This kit includes all critical components needed to rebuild the timing chain assembly to factory standards, ensuring smooth, accurate timing and long-term durability.

Fits:
  • Porsche Boxster GTS 718 4.0L Manual (400 Bhp)
  • Porsche Boxster GTS 718 4.0L PDK (400 Bhp)

Diagram Ref No 1, 2, 3, 8, 11, 12, 13

What These Product Do:

This Engine Timing Chain Kit rebuilds the entire timing system responsible for synchronizing the crankshaft and camshafts. It includes the timing chain, hydraulic tensioner, and all major guide/slide rails. Together, these components:

  • Keep the timing chain properly tensioned
  • Guide the chain smoothly around the engine’s timing path
  • Maintain precise valve timing for correct combustion
  • Reduce chain vibration, noise, and wear
  • Ensure stable performance across all RPM ranges

Symptoms of Timing Chain System Failure:
  • Rattling or metallic chain noise, especially at cold start
  • Check Engine Light, often with cam/crank correlation codes
  • Rough idle, hesitation or misfires due to incorrect valve timing
  • Loss of power or reduced performance
  • Metal shavings in the oil from worn guides or chain
  • Oil leaks from the tensioner area
  • Hard starting or no start if timing becomes severely out of sync

Why Replacement Matters:
  • Prevents catastrophic engine failure: A stretched chain or broken guide can cause the chain to jump teeth, leading to valve-to-piston contact — often requiring a full engine rebuild.
  • Restores quiet, smooth operation: New guides, tensioners, and chain eliminate rattles and vibration.
  • Ensures precise valve timing: Proper timing is essential for power, fuel efficiency, and correct emissions.
  • Protects your engine long-term: Worn timing components accelerate wear on other internal engine parts.



Related reference numbers
Related, superseded, cross reference or alternative numbers for comparison.

ENGINEKIT982.GTS.OE
0PB109507E
0PB109509B
0PB109513B
0PB109252B
0PB109514A
0PB109229A
0PB109508B

The product you are viewing cross references to these numbers
Engine Timing Chain Kit. Porsche 982 Boxster Spyder 2017>> - 0PB109509B, 0PB109513B, 0PB109252B, 0PB109514A, 0PB109229A, 0PB109508B, 0PB109507E
1
Engine Timing Chain Kit. Porsche 982 Boxster Spyder 2017>>
ENGINEKIT982SP.OE
Product Information
Product Information
Engine Timing Chain Kit.
Restore the precision and reliability of your engine with this complete Engine Timing Chain Kit, designed for Porsche 982 Boxster Spyder engine. This kit includes all critical components needed to rebuild the timing chain assembly to factory standards, ensuring smooth, accurate timing and long-term durability.

Fits:
  • Porsche Boxster Spyder 718 4.0L (420 Bhp)

Diagram Ref No 1, 2, 3, 8, 11, 12, 13

What These Product Do:

This Engine Timing Chain Kit rebuilds the entire timing system responsible for synchronizing the crankshaft and camshafts. It includes the timing chain, hydraulic tensioner, and all major guide/slide rails. Together, these components:

  • Keep the timing chain properly tensioned
  • Guide the chain smoothly around the engine’s timing path
  • Maintain precise valve timing for correct combustion
  • Reduce chain vibration, noise, and wear
  • Ensure stable performance across all RPM ranges

Symptoms of Timing Chain System Failure:
  • Rattling or metallic chain noise, especially at cold start
  • Check Engine Light, often with cam/crank correlation codes
  • Rough idle, hesitation or misfires due to incorrect valve timing
  • Loss of power or reduced performance
  • Metal shavings in the oil from worn guides or chain
  • Oil leaks from the tensioner area
  • Hard starting or no start if timing becomes severely out of sync

Why Replacement Matters:
  • Prevents catastrophic engine failure: A stretched chain or broken guide can cause the chain to jump teeth, leading to valve-to-piston contact — often requiring a full engine rebuild.
  • Restores quiet, smooth operation: New guides, tensioners, and chain eliminate rattles and vibration.
  • Ensures precise valve timing: Proper timing is essential for power, fuel efficiency, and correct emissions.
  • Protects your engine long-term: Worn timing components accelerate wear on other internal engine parts.



Related reference numbers
Related, superseded, cross reference or alternative numbers for comparison.

ENGINEKIT982SP.OE
0PB109509B
0PB109513B
0PB109252B
0PB109514A
0PB109229A
0PB109508B
0PB109507E

The product you are viewing cross references to these numbers
Engine timing chain kit for oil pump gear. Porsche 987.2 / 981 / 718 Boxster / Cayman / 997 / 991 - 9A110523302, 9A110523502, 0PB105508, 9A700836500, 9A110506201, 99970734640, PAF008261 - 71647Set
2
Engine timing chain kit for oil pump gear. Porsche 987.2 / 981 / 718 Boxster / Cayman / 997 / 991
9A110523302/1
Product Information
Product Information
Engine timing chain kit for oil pump gear.

iwis

Fits:
Porsche 987.2 Boxster / Boxster S - 2009 to 2012
Porsche 987C.2 Cayman / Cayman S
Porsche 981 Boxster - 2012 to 2016
Porsche 981C Cayman - 2013 to 2016
Porsche 718 Boxster / Boxster S - 2017 Onwards
Porsche 718 Cayman / Cayman S - 2017 Onwards
Porsche 997.2 - 2009 to 2012
Porsche 991.1 - 2012 to 2016

Contains
1 x Drive chain 9A110523302
1 x Tensioner blade 9A110523502
1 x Socket head bolt 9A110506201
1 x O-ring 99970734640

Click 'Zoom in' for large parts diagram.
Diagram ref no 2, 3, 10 and 11

Related reference numbers
Related, superseded, cross reference or alternative numbers for comparison.

9A110523302
9A110523302
9A110523502
0PB105508
9A700836500
9A110506201
99970734640
PAF008261

The product you are viewing cross references to these numbers
Engine Timing Chain Tensioner Blade. Porsche 982 Boxster Spyder RS / Cayman GT4 RS / 991 / 992 GT3 / RS / ST 2014>> - 0PB109508A, 9A110523591
3
Engine Timing Chain Tensioner Blade. Porsche 982 Boxster Spyder RS / Cayman GT4 RS / 991 / 992 GT3 / RS / ST 2014>>
Special Order item
0PB109508A
Product Information
Product Information
Engine Timing Chain Tensioner Blade.

Fits:
Porsche 982 Boxster Spyder RS (718) 4.0L 2019>>
Porsche 982 Cayman GT4 RS (718) 4.0L 2019>>
Porsche 991 GT3 RS / R / Speedster 4.0L MKI / MKII 2014>>2020
Porsche 992.1 GT3 / RS / ST 4.0L MKI 2021>>

Diagram Ref No 3

Related reference numbers
Related, superseded, cross reference or alternative numbers for comparison.

0PB109508A
0PB109508A
9A110523591

The product you are viewing cross references to these numbers
Tensioner Blade. Porsche 982 Boxster / Cayman / Spyder / GT4 / 991.2 / 992.1 / 992.2 2017>> - 9A210512501, 0PB109509, 0PB109509B
2
Tensioner Blade. Porsche 982 Boxster / Cayman / Spyder / GT4 / 991.2 / 992.1 / 992.2 2017>>
Special Order item
0PB109509B
Product Information
Product Information
Tensioner Blade.
Ensure your Porsche’s timing chain drives remain secure and precisely guided with this genuine OEM tensioner blade. Used in the timing drive system of models like the 911 991.2 / 992.1 / 992.2 or 718 Boxster/Cayman, this blade plays a crucial role in guiding the timing chain and maintaining correct tracking and tension. Ideal when replacing timing chains, guides or tensioner assemblies.
Sold Each.
x2 Required Per Car.

Fits:
  • Porsche Boxster 718 2.0L Manual (300 Bhp)
  • Porsche Boxster 718 2.0L PDK (300 Bhp)
  • Porsche Boxster S 718 2.5L Manual (350 Bhp)
  • Porsche Boxster S 718 2.5L PDK (350 Bhp)
  • Porsche Boxster T 718 2.0L Manual (300 Bhp)
  • Porsche Boxster T 718 2.0L PDK (300 Bhp)
  • Porsche Boxster GTS 718 2.5L Manual (365 Bhp)
  • Porsche Boxster GTS 718 2.5L PDK (365 Bhp)
  • Porsche Boxster GTS 718 4.0L Manual (400 Bhp)
  • Porsche Boxster GTS 718 4.0L PDK (400 Bhp)
  • Porsche Boxster Spyder 718 4.0L (420 Bhp)
  • Porsche Boxster 25 Years 718 4.0L Manual (400 Bhp)
  • Porsche Boxster 25 Years 718 4.0L PDK (400 Bhp)
  • Porsche Cayman 718 2.0L Manual (300Bhp)
  • Porsche Cayman 718 2.0L PDK (300Bhp)
  • Porsche Cayman S 718 2.5L Manual (350Bhp)
  • Porsche Cayman S 718 2.5L PDK (350Bhp)
  • Porsche Cayman T 718 2.0L Manual (300Bhp)
  • Porsche Cayman T 718 2.0L PDK (300 Bhp)
  • Porsche Cayman GTS 718 2.5L Manual (365 Bhp)
  • Porsche Cayman GTS 718 2.5L PDK (365 Bhp)
  • Porsche Cayman GTS 718 4.0L Manual (400 Bhp)
  • Porsche Cayman GTS 718 4.0L PDK (400 Bhp)
  • Porsche Cayman GT4 718 4.0L / GT4 RS 718 4.0L
  • Porsche 991.2 Carrera 2 3.0L (370 Bhp) 2016-19
  • Porsche 991.2 Carrera 2S 3.0L (420 Bhp) 2016-19
  • Porsche 991.2 Carrera 4 3.0L (370 Bhp) 2016-19
  • Porsche 991.2 Carrera 4S 3.0L (420 Bhp) 2016-19
  • Porsche 991.2 Cabriolet 2 3.0L (370 Bhp) 2016-19
  • Porsche 991.2 Cabriolet 2S 3.0L (420 Bhp) 2016-19
  • Porsche 991.2 Cabriolet 4 3.0L (370 Bhp) 2016-19
  • Porsche 991.2 Cabriolet 4S 3.0L (420 Bhp) 2016-19
  • Porsche 991.2 Targa 4 3.0L (370 Bhp) 2016-19
  • Porsche 991.2 Targa 4S 3.0L (420 Bhp) 2016-19
  • Porsche 992.1 Carrera 2 3.0L 2019-24
  • Porsche 992.1 Carrera 4 3.0L 2019-24
  • Porsche 992.1 Carrera 2 Cabriolet 3.0L 2019-24
  • Porsche 992.1 Carrera 4 Cabriolet 3.0L 2019-24
  • Porsche 992.1 Carrera 2S / GTS 3.0L 2019-24
  • Porsche 992.1 Carrera 4S / GTS 3.0L 2019-24
  • Porsche 992.1 Carrera 2S / GTS Cabriolet 3.0L 2019-24
  • Porsche 992.1 Carrera 4S / GTS Cabriolet 3.0L 2019-24
  • Porsche 992.1 Targa 4 3.0L 2020-24
  • Porsche 992.1 Targa 4S / GTS 3.0L 2020-24
  • Porsche 992.1 Turbo 3.8L 2020-24
  • Porsche 992.1 Turbo S 3.8L 2020-24
  • Porsche 992.1 Turbo Cabriolet 3.8L 2020-24
  • Porsche 992.1 Turbo Cabriolet 3.8L 2020-24
  • Porsche 992.2 Carrera 2 3.0L 2024>>
  • Porsche 992.2 Carrera 2 3.0L Cabriolet 2024>>


Diagram Ref No 8

What This Product Does:

  • The “tensioner blade” refers to a guide or support element in the timing chain system that helps apply correct pressure or alignment on the chain, often in combination with a chain tensioner or guide rail.
  • When the timing chain runs between the crankshaft and camshafts (or intermediate shafts) it needs not only the chain and tensioner, but also supporting blades/rails/arms to manage movement, reduce slack and keep the chain tracking correctly.
  • The tensioner blade part is one of the curated OEM components that helps ensure accurate timing drive by maintaining chain-contact, reducing vibration, guiding the chain — thereby supporting long-term durability and correct engine timing.

When You Should Consider Replacement:
  • The timing chain system is being serviced (e.g., chain/guide/tensioner replacement) — as the blade is likely exposed or used in that service path.
  • There are timing-related issues: rattling or clattering from the timing cover area, especially on cold start or idle — which can indicate slack or improper chain tracking.
  • Diagnostic trouble codes (DTCs) related to camshaft/chain timing errors — because a damaged or worn blade may allow chain deflection or mistracking.
  • Visual inspection (if accessible) reveals the blade or guide is worn, cracked, missing, or otherwise compromised.
  • High mileage or extended service intervals — the supporting components around the chain wear, and a worn blade can expedite chain wear or guide rail wear.

Why Replacement Matters:
  • Maintains engine timing integrity: If the blade that guides or supports the chain is compromised, the chain may skip, jump or wear prematurely — leading to timing errors and potential engine damage.
  • Reduces noise & prolongs component life: Components like the tensioner blade help damp chain vibration and keep tensioners/rails from excessive wear. Replacing it helps preserve the chain drive system.
  • Cost-effective preventive repair: When you already have access to the timing system (front cover off, chain out) replacing components such as the blade prevents future labour for incremental failures.



Related reference numbers
Related, superseded, cross reference or alternative numbers for comparison.

0PB109509B
9A210512501
0PB109509
0PB109509B

The product you are viewing cross references to these numbers
Timing Chain Guide - Side - for Porsche 987-2 / 981 / 718 (982) Boxster & Cayman / 997-2 / 991 / 992 Carrera & Turbo - 9A110510102, 9A110510103, 0PB109514, 0PB109514A
3
Timing Chain Guide - Side - for Porsche 987-2 / 981 / 718 (982) Boxster & Cayman / 997-2 / 991 / 992 Carrera & Turbo
Special Order item
0PB109514A
Product Information
Product Information
Timing chain guide - side. 

Sold individually; x2 required per engine. 

Fits:

Porsche 987-2 Boxster / S 2009-12
Porsche 987-2 Cayman / S 2009-12

Porsche 981 Boxster / S 2012-16
Porsche 981 Boxster Spyder 2016
Porsche 981 Cayman / S 2014-16
Porsche 981 Cayman GT4 2016

Porsche 718 (982) Boxster 2017>> 
Porsche 718 (982) Boxster Spyder 2019>> - Excludes RS
Porsche 718 (982) Cayman 2017>>
Porsche 718 (982) Cayman GT4 2019>> - Excludes RS

Porsche 997-2 Carrera 2009-12
Porsche 997-2 Turbo 2010-13 - Excludes GT2 RS

Porsche 991 Carrera 2012-19
Porsche 991 Turbo / GT2 RS 2014-20

Porsche 992-1 Carrera 2019-24
Porsche 992-2 Carrera 3.0L 2024>> - Excludes GTS Models With E-Turbo* 
Porsche 992-1 Turbo 2020>>

Diagram ref. 9. 

*NOTE: This guide is only compatible with the 992-2 Carrera 3.0L. It is not suitable for hybrid models, including the GTS, which features Porsche's E-Turbo technology. A different guide is required for these models.

Related reference numbers
Related, superseded, cross reference or alternative numbers for comparison.

0PB109514A
9A110510102
9A110510103
0PB109514
0PB109514A

The product you are viewing cross references to these numbers
Timing Chain Slide Rail. Porsche 981 / 991.1 / 991.2 / 982 / 992 2012>> - 0PB109513A, 9A110515304
2
Timing Chain Slide Rail. Porsche 981 / 991.1 / 991.2 / 982 / 992 2012>>
Special Order item
0PB109513A
Product Information
Product Information
Timing Chain Slide Rail.
Keep your engine running with factory precision. The Timing Chain Guide Rail is an OEM Porsche component designed to maintain correct alignment and tension of the timing chain. By guiding chain movement smoothly and accurately, this rail helps ensure perfect synchronization between the crankshaft and camshafts — a critical factor for optimal engine performance, efficiency, and longevity.

Fits:
  • Porsche Boxster 981 S / GTS 3.4L 2012-16
  • Porsche Boxster 981 Spyder 3.8L 2016
  • Porsche Boxster Spyder 718 4.0L (420 Bhp)
  • Porsche Boxster 25 Years 718 4.0L Manual (400 Bhp)
  • Porsche Boxster 25 Years 718 4.0L PDK (400 Bhp)
  • Porsche 991.1 Carrera C2S 3.8L (400Bhp) 2012-16
  • Porsche 991.1 Carrera C4S 3.8L (400Bhp) 2012-16
  • Porsche 991.1 R 4.0L (500 Bhp) 2016
  • Porsche 991.1 GT3 3.8L (475Bhp) 2014-16
  • Porsche 991.1 GT3 RS 4.0L (500Bhp) 2015-16
  • Porsche 991.2 Turbo Coupe 3.8L (540 Bhp) 2016-19
  • Porsche 991.2 Turbo S Coupe 3.8L (580 Bhp) 2016-19
  • Porsche 991.2 Turbo Cabriolet 3.8L (540 Bhp) 2016-19
  • Porsche 991.2 Turbo S Cabriolet 3.8L (580 Bhp) 2016-19
  • Porsche 991.2 Speedster 4.0L (510Bhp) 2019
  • Porsche 991.2 GT3 4.0L (500 Bhp) / GT3 RS 4.0L (520 Bhp) 2017-19
  • Porsche 991.2 GT2 RS 3.8L PDK (700 bhp) 2018-19
  • Porsche 992.1 GT3 4.0L / 992 S/T 4.0L 2021-24
  • Porsche 992.1 GT3 RS 4.0L 2022-24
  • Porsche Cayman S / GTS 3.4L 981 2013-16
  • Porsche Cayman GT4 3.8L 2015-16
  • Porsche Cayman GT4 718 4.0L / GT4 RS 718 4.0L  


Diagram Ref No 5

What This Product Does:

  • The guide/slide rail helps maintain correct path and tension for the timing chain, preventing the chain from flopping, jumping, or hitting other components.

Symptoms Of Failure:
  • Rattling or clattering noise from the timing chain cover area (especially at cold start or idle) because the chain may be loose and hitting the guide/rail or adjacent parts.
  • Poor engine performance: misfires, rough idle, hesitation on acceleration. This is because incorrect timing = valves and pistons not synchronised.
  • Check Engine Light: with timing or cam/crank correlation codes. If the chain jumps or the guide fails significantly, the timing can get out of spec, triggering the ECU. 
  • Metal shavings in oil or oil pan (in more advanced wear). If the chain or guide breaks up, fragments can circulate.
  • Engine won’t start or sudden failure in worst-case: if timing chain jumps many teeth or breaks, the engine may stop or suffer internal damage.

Why Replacement Matters:
  • Because the timing chain and its guides are critical for engine timing: if the guide rail fails and allows the chain to slip, the engine’s valve timing will go off. This can lead to serious internal engine damage (valves hitting pistons, heavy wear) in many high-performance engines.
  • Replacing the guide rail (and possibly the chain, tensioners, etc) before catastrophic failure helps avoid a full engine rebuild or replacement, which is far more expensive.
  • Even though the part itself may not be extremely expensive (the guide rail), the labour cost of access is high (because to reach it you may need to remove covers, maybe ancillary components) — doing it early is more cost-effective.
  • Ensures the engine continues to operate as designed, maintaining performance, reliability and longevity.



Related reference numbers
Related, superseded, cross reference or alternative numbers for comparison.

0PB109513A
0PB109513A
9A110515304

The product you are viewing cross references to these numbers
Timing Chain Slide Rail. Porsche 982 Boxster / Cayman / Spyder / GT4 / 991.2 / 992.1 / 992.2 2017>> - 9A210512301, PAA109513, 0PB109513B
2
Timing Chain Slide Rail. Porsche 982 Boxster / Cayman / Spyder / GT4 / 991.2 / 992.1 / 992.2 2017>>
Special Order item
0PB109513B
Product Information
Product Information
Timing Chain Slide Rail.
This genuine OEM slide/guide rail is a critical component of the timing chain drive system for select Porsche models 911 991.2, 992.1, 992.2, 718 Boxster/Cayman 982. It ensures the timing chain tracks correctly, maintains proper tension, and prevents chain deflection or wear. Ideal when servicing the timing chain system or responding to noise/chain wear symptoms.
Sold Each.
x2 Required Per Car.

Fits:
  • Porsche Boxster 718 2.0L Manual (300 Bhp)
  • Porsche Boxster 718 2.0L PDK (300 Bhp)
  • Porsche Boxster S 718 2.5L Manual (350 Bhp)
  • Porsche Boxster S 718 2.5L PDK (350 Bhp)
  • Porsche Boxster T 718 2.0L Manual (300 Bhp)
  • Porsche Boxster T 718 2.0L PDK (300 Bhp)
  • Porsche Boxster GTS 718 2.5L Manual (365 Bhp)
  • Porsche Boxster GTS 718 2.5L PDK (365 Bhp)
  • Porsche Boxster GTS 718 4.0L Manual (400 Bhp)
  • Porsche Boxster GTS 718 4.0L PDK (400 Bhp)
  • Porsche Boxster Spyder 718 4.0L (420 Bhp)
  • Porsche Boxster 25 Years 718 4.0L Manual (400 Bhp)
  • Porsche Boxster 25 Years 718 4.0L PDK (400 Bhp)
  • Porsche 991.2 Carrera 2 3.0L (370 Bhp) 2016-19
  • Porsche 991.2 Carrera 2S 3.0L (420 Bhp) 2016-19
  • Porsche 991.2 Carrera 4 3.0L (370 Bhp) 2016-19
  • Porsche 991.2 Carrera 4S 3.0L (420 Bhp) 2016-19
  • Porsche 991.2 Cabriolet 2 3.0L (370 Bhp) 2016-19
  • Porsche 991.2 Cabriolet 2S 3.0L (420 Bhp) 2016-19
  • Porsche 991.2 Cabriolet 4 3.0L (370 Bhp) 2016-19
  • Porsche 991.2 Cabriolet 4S 3.0L (420 Bhp) 2016-19
  • Porsche 991.2 Targa 4 3.0L (370 Bhp) 2016-19
  • Porsche 991.2 Targa 4S 3.0L (420 Bhp) 2016-19
  • Porsche 992.1 Carrera 2 3.0L 2019-24
  • Porsche 992.1 Carrera 4 3.0L 2019-24
  • Porsche 992.1 Carrera 2 Cabriolet 3.0L 2019-24
  • Porsche 992.1 Carrera 4 Cabriolet 3.0L 2019-24
  • Porsche 992.1 Carrera 2S / GTS 3.0L 2019-24
  • Porsche 992.1 Carrera 4S / GTS 3.0L 2019-24
  • Porsche 992.1 Carrera 2S / GTS Cabriolet 3.0L 2019-24
  • Porsche 992.1 Carrera 4S / GTS Cabriolet 3.0L 2019-24
  • Porsche 992.1 Targa 4 3.0L 2020-24
  • Porsche 992.1 Targa 4S / GTS 3.0L 2020-24
  • Porsche 992.1 Turbo 3.8L 2020-24
  • Porsche 992.1 Turbo S 3.8L 2020-24
  • Porsche 992.1 Turbo Cabriolet 3.8L 2020-24
  • Porsche 992.1 Turbo S Cabriolet 3.8L 2020-24
  • Porsche 992.2 Carrera 2 3.0L 2024>>
  • Porsche 992.2 Carrera 2 3.0L Cabriolet 2024>>
  • Porsche Cayman 718 2.0L Manual (300Bhp)
  • Porsche Cayman 718 2.0L PDK (300Bhp)
  • Porsche Cayman S 718 2.5L Manual (350Bhp)
  • Porsche Cayman S 718 2.5L PDK (350Bhp)
  • Porsche Cayman T 718 2.0L Manual (300Bhp)
  • Porsche Cayman T 718 2.0L PDK (300 Bhp)
  • Porsche Cayman GTS 718 2.5L Manual (365 Bhp)
  • Porsche Cayman GTS 718 2.5L PDK (365 Bhp)
  • Porsche Cayman GTS 718 4.0L Manual (400 Bhp)
  • Porsche Cayman GTS 718 4.0L PDK (400 Bhp)
  • Porsche Cayman GT4 718 4.0L / GT4 RS 718 4.0L

Diagram Ref No 5

What This Product Does:

  • In a timing‐chain drive system (crankshaft → intermediate shaft → camshafts), there are guides/rails that the chain runs on. These guides keep the chain aligned, reduce vibration or deflection, and support tensioners in maintaining correct chain tension.
  • The slide rail is one of these guiding components — it provides a smooth surface and correct route for the chain, and helps ensure the chain remains properly engaged with sprockets and tensioners.
  • If the slide rail is worn, cracked or damaged, the chain may run with slack, contact adjacent components, produce noise, or even skip/skip-tooth under stress — which affects timing and can lead to engine damage.

When You Should Consider Replacement:
  • You are already servicing the timing chain system (timing cover off, chain/guide/tensioner replacement) — since access is already required, replacing the guide rail is cost‐effective and prevents future access.
  • You hear rattling or a clattering noise from the front of the engine (timing cover area) on cold start or idle, which can indicate chain deflection or guide wear.
  • You have diagnostic codes relating to camshaft or intermediate shaft timing variations — a damaged or worn guide can cause chain timing to vary.
  • Visual inspection (if cover removed) shows the guide rail is cracked, has excessive wear, gouges, or the chain has worn a groove in the rail.
  • The vehicle has high mileage and the engine is performance-oriented — these guides can be wearing items and proactively replacing them improves long-term reliability.

Why Replacement Matters:
  • Maintain timing accuracy & reliability: If the chain runs on a compromised guide, chain slack or mis-tracking can occur — which leads to timing drift, loss of power, or in worst cases, engine damage.
  • Eliminate noise and improve smoothness: Worn guides allow chain slap, noise during engine operation, or rougher operation — replacing the slide rail restores proper chain path and quietness.
  • Prevent escalated failure: A damaged guide could allow the chain to skip or jump, which on high-performance Porsche engines can mean valve-to-piston interaction and major damage.
  • Efficient service: Since replacing a guide rail often requires similar labour as chain/tensioner replacement, doing it while the engine is opened saves future labour and increases reliability.



Related reference numbers
Related, superseded, cross reference or alternative numbers for comparison.

0PB109513B
9A210512301
PAA109513
0PB109513B

The product you are viewing cross references to these numbers
Timing Chain Tensioner for Porsche 987-2 / 981 / 718 (982) / 997-2 / 991 / 992 - 9A110515702, 9A110515703, 9A110515704, 0PB109507A, 0PB109507C, 0PB109507E
3
Timing Chain Tensioner for Porsche 987-2 / 981 / 718 (982) / 997-2 / 991 / 992
Special Order item
0PB109507E
Product Information
Product Information
Timing chain tensioner for the camshaft-to-crankshaft chain.

Sold individually; x2 per engine. 

Fits:
Porsche 987-2 Boxster 2009-12
Porsche 987-2 Cayman 2009-12

Porsche 981 Boxster 2012-16
Porsche 981 Boxster Spyder 2016
Porsche 981 Cayman 2014-16
Porsche 981 Cayman GT4 2016

Porsche 718 (982) Boxster GTS 4.0L 2017>>
Porsche 718 (982) Boxster Spyder / RS 2019>>
Porsche 718 (982) Cayman GTS 4.0L 2017>>
Porsche 718 (982) Cayman GT4 / RS 2019>>

Porsche 997-2 Carrera 2009-12
Porsche 997-2 Turbo 2010-13 - Excludes GT2

Porsche 991-1 Carrera 2012-16
Porsche 991 Turbo / GT2 RS 2014-20
Porsche 991 GT3 / RS 2014-21

Porsche 992-1 Turbo 2020>>
Porsche 992 GT3 / RS 2021>>

Diagram ref. 4. 

Related reference numbers
Related, superseded, cross reference or alternative numbers for comparison.

0PB109507E
9A110515702
9A110515703
9A110515704
0PB109507A
0PB109507C
0PB109507E

The product you are viewing cross references to these numbers
Timing Chain Tensioner. Porsche 982 Boxster / Cayman / 991.2 / 992.1 2017>> - 0PB109507, 0PB109507B, 0PB109507D, 0PB109507G
2
Timing Chain Tensioner. Porsche 982 Boxster / Cayman / 991.2 / 992.1 2017>>
Special Order item
0PB109507G
Product Information
Product Information
Timing Chain Tensioner.
Ensure your Porsche’s timing chain drive remains correctly tensioned with this genuine OEM tensioner. Suitable for Porsche 911 991.2 / 992.1 and 982 Boxster/Cayman models, this critical component maintains chain tension from crank to cam or cam to cam, preventing slack, noise and timing errors.
Sold Each.
x2 Required Per Car.

Fits:

  • Porsche Boxster 718 2.0L Manual (300 Bhp)
  • Porsche Boxster 718 2.0L PDK (300 Bhp)
  • Porsche Boxster S 718 2.5L Manual (350 Bhp)
  • Porsche Boxster S 718 2.5L PDK (350 Bhp)
  • Porsche Boxster T 718 2.0L Manual (300 Bhp)
  • Porsche Boxster T 718 2.0L PDK (300 Bhp)
  • Porsche Boxster GTS 718 2.5L Manual (365 Bhp)
  • Porsche Boxster GTS 718 2.5L PDK (365 Bhp)
  • Porsche Cayman 718 2.0L Manual (300Bhp)
  • Porsche Cayman 718 2.0L PDK (300Bhp)
  • Porsche Cayman S 718 2.5L Manual (350Bhp)
  • Porsche Cayman S 718 2.5L PDK (350Bhp)
  • Porsche Cayman T 718 2.0L Manual (300Bhp)
  • Porsche Cayman T 718 2.0L PDK (300 Bhp)
  • Porsche Cayman GTS 718 2.5L Manual (365 Bhp)
  • Porsche Cayman GTS 718 2.5L PDK (365 Bhp)
  • Porsche 991.2 Carrera 2 3.0L (370 Bhp) 2016-19
  • Porsche 991.2 Carrera 2S 3.0L (420 Bhp) 2016-19
  • Porsche 991.2 Carrera 4 3.0L (370 Bhp) 2016-19
  • Porsche 991.2 Carrera 4S 3.0L (420 Bhp) 2016-19
  • Porsche 991.2 Cabriolet 2 3.0L (370 Bhp) 2016-19
  • Porsche 991.2 Cabriolet 2S 3.0L (420 Bhp) 2016-19
  • Porsche 991.2 Cabriolet 4 3.0L (370 Bhp) 2016-19
  • Porsche 991.2 Cabriolet 4S 3.0L (420 Bhp) 2016-19
  • Porsche 991.2 Targa 4 3.0L (370 Bhp) 2016-19
  • Porsche 991.2 Targa 4S 3.0L (420 Bhp) 2016-19
  • Porsche 992.1 Carrera 2 3.0L 2019-24
  • Porsche 992.1 Carrera 4 3.0L 2019-24
  • Porsche 992.1 Carrera 2 Cabriolet 3.0L 2019-24
  • Porsche 992.1 Carrera 4 Cabriolet 3.0L 2019-24
  • Porsche 992.1 Carrera 2S / GTS 3.0L 2019-24
  • Porsche 992.1 Carrera 4S / GTS 3.0L 2019-24
  • Porsche 992.1 Carrera 2S / GTS Cabriolet 3.0L 2019-24
  • Porsche 992.1 Carrera 4S / GTS Cabriolet 3.0L 2019-24
  • Porsche 992.1 Targa 4 3.0L 2020-24
  • Porsche 992.1 Targa 4S / GTS 3.0L 2020-24
  • Porsche 992.1 Turbo 3.8L 2020-24
  • Porsche 992.1 Turbo S 3.8L 2020-24
  • Porsche 992.1 Turbo Cabriolet 3.8L 2020-24
  • Porsche 992.1 Turbo S Cabriolet 3.8L 2020-24

Diagram Ref No 4

What This Product Does:
  • The timing chain tensioner is a hydraulic (typically oil-fed) or spring-loaded device that takes up slack in the timing chain drive system. Without correct tension, the chain can “slap”, skip a tooth, or jump, which can cause serious engine timing errors.
  • In an engine like the Porsche performance flat-six, accurate timing is critical. The tensioner ensures the chain remains properly seated against the guides/rails and avoids noise, mis-timing, or eventual failure.
  • Because modern Porsche engines often use duplex chains, intermediate shafts and high rev operation, a precise tensioner is essential for durability, reliability and performance.

When You Should Consider Replacement:
  • You hear rattling, clattering or ticking noises from the timing‐cover area on startup or idle — a classic symptom of a loose timing chain.
  • Your car triggers engine fault codes related to camshaft timing, crankshaft–cam correlation, or variable valve timing errors, indicating possible timing chain slack or timing drive issues.
  • You are doing major engine work (e.g., timing cover removal, chain/guide replacement) — since the tensioner is integral to the timing chain system, it’s prudent to replace it at the same time for full reliability.
  • The engine has high mileage or service history, and you want to pre-emptively safeguard the chain drive.
  • On visual inspection (if accessible) you find slack in the timing chain, worn guides/rails, or old/deteriorated tensioner components.

Why Replacement Matters:
  • Engine protection: A faulty tensioner can allow the timing chain to jump or skip, which risks piston-to-valve contact, major engine damage, and costly repairs.
  • Maintains precise timing & performance: Correct chain tension ensures accurate valve timing, smooth idle, full power delivery and reliability.
  • Eliminates noise & improves reliability: Replacing a worn tensioner removes chain-slap noise and helps prevent future failure.
  • Cost efficient when engine access is open: Since accessing the tensioner and chain drive requires substantial labour, replacing the tensioner while you’re already there avoids further job later.



Related reference numbers
Related, superseded, cross reference or alternative numbers for comparison.

0PB109507G
0PB109507
0PB109507B
0PB109507D
0PB109507G

The product you are viewing cross references to these numbers
Timing Chain. Porsche 982 Boxster / Cayman / 991.2 2017>> - 9A210514801
2
Timing Chain. Porsche 982 Boxster / Cayman / 991.2 2017>>
Special Order item
9A210514801
Product Information
Product Information
Timing Chain.
Restore the timing drive system of your Porsche with this genuine OEM timing chain. Designed for models such as the 911 991.2 and 718 Boxster/Cayman, this chain ensures the crankshaft and camshafts stay in perfect synchronisation. Over time chains can stretch or wear, leading to noise, timing drift or engine issues. Replace proactively to maintain performance, reliability and peace of mind.
Sold Each.
x2 Required Per Car.

Fits:
  • Porsche Boxster 718 2.0L Manual (300 Bhp)
  • Porsche Boxster 718 2.0L PDK (300 Bhp)
  • Porsche Boxster S 718 2.5L Manual (350 Bhp)
  • Porsche Boxster S 718 2.5L PDK (350 Bhp)
  • Porsche Boxster T 718 2.0L Manual (300 Bhp)
  • Porsche Boxster T 718 2.0L PDK (300 Bhp)
  • Porsche Boxster GTS 718 2.5L Manual (365 Bhp)
  • Porsche Boxster GTS 718 2.5L PDK (365 Bhp
  • Porsche Cayman 718 2.0L Manual (300Bhp)
  • Porsche Cayman 718 2.0L PDK (300Bhp)
  • Porsche Cayman S 718 2.5L Manual (350Bhp)
  • Porsche Cayman S 718 2.5L PDK (350Bhp)
  • Porsche Cayman T 718 2.0L Manual (300Bhp)
  • Porsche Cayman T 718 2.0L PDK (300 Bhp)
  • Porsche Cayman GTS 718 2.5L Manual (365 Bhp)
  • Porsche Cayman GTS 718 2.5L PDK (365 Bhp)
  • Porsche 991.2 Carrera 2 3.0L (370 Bhp) 2016-19
  • Porsche 991.2 Carrera 2S 3.0L (420 Bhp) 2016-19
  • Porsche 991.2 Carrera 4 3.0L (370 Bhp) 2016-19
  • Porsche 991.2 Carrera 4S 3.0L (420 Bhp) 2016-19
  • Porsche 991.2 Cabriolet 2 3.0L (370 Bhp) 2016-19
  • Porsche 991.2 Cabriolet 2S 3.0L (420 Bhp) 2016-19
  • Porsche 991.2 Cabriolet 4 3.0L (370 Bhp) 2016-19
  • Porsche 991.2 Cabriolet 4S 3.0L (420 Bhp) 2016-19
  • Porsche 991.2 Targa 4 3.0L (370 Bhp) 2016-19
  • Porsche 991.2 Targa 4S 3.0L (420 Bhp) 2016-19


Diagram Ref No 1

What This Product Does:

  • The timing chain synchronises the crankshaft’s rotation with the camshaft(s), ensuring valves open and close at the correct times in relation to piston movement. Without correct timing the engine cannot run properly.
  • Over time, because the chain is under constant load, it may stretch or wear, tensioners can degrade, guides may wear out. When this happens, slack can appear in the drive which compromises timing, performance, noise, and in worst case leads to engine damage.
  • This chain is the core drive chain for a given Porsche engine — making it a critical component of engine operation.

When You Should Consider Replacement:
  • Noise from the timing cover area (rattling or clattering, especially at cold start or idle) — a sign of slack chain or failing guides.
  • Engine performance issues: If you experience misfires, power loss, or the engine is not running smoothly, timing chain wear could be a cause.
  • Diagnostic codes indicating camshaft timing deviation or chain position errors — the chain may have stretched or the drive system may have issues.
  • High mileage / old age / major service: If the vehicle has substantial miles, or if you are performing major engine service (timing cover off, chain exposed), it’s prudent to install a new chain rather than rely on a worn one.
  • Visual inspection (if accessible) showing chain wear, guide rail wear or tensioner issues.
  • If the chain breaks (rare) the engine will not run; therefore proactive replacement pays in reliability.

Why Replacement Matters:
  • Engine integrity and longevity: A failed timing chain can lead to catastrophic engine damage (valves colliding with pistons, etc). Replacing the chain reduces that risk.
  • Performance & timing accuracy: A new chain ensures timing is correct and optimised — improving engine smoothness, power delivery and reliability.
  • Noise & NVH improvement: Replacing a worn chain can remove unwanted noise (slap, rattle) from the engine front.
  • Cost-efficient preventive maintenance: Since accessing the timing chain involves high labour (engine front cover, etc), replacing the chain while you are already in has a better return on investment than waiting for failure.



Related reference numbers
Related, superseded, cross reference or alternative numbers for comparison.

9A210514801
9A210514801

The product you are viewing cross references to these numbers
Timing Chain. Porsche 982 Boxster / Cayman / Spyder / GT4 / 992.1 / 992.2 2017>> - 0PB109229A
2
Timing Chain. Porsche 982 Boxster / Cayman / Spyder / GT4 / 992.1 / 992.2 2017>>
Special Order item
0PB109229A
Product Information
Product Information
Timing Chain.
The Timing Chain is a genuine OEM Porsche component designed to maintain precise synchronization within the engine’s lower timing system. This chain connects the crankshaft to the oil pump (and supporting timing drive elements), ensuring the engine receives proper lubrication and that internal components operate in perfect mechanical harmony.

Fits:
  • Porsche Boxster GTS 718 4.0L Manual (400 Bhp)
  • Porsche Boxster GTS 718 4.0L PDK (400 Bhp)
  • Porsche Boxster Spyder 718 4.0L (420 Bhp)
  • Porsche Boxster 25 Years 718 4.0L Manual (400 Bhp)
  • Porsche Boxster 25 Years 718 4.0L PDK (400 Bhp)
  • Porsche Cayman GTS 718 4.0L Manual (400 Bhp)
  • Porsche Cayman GTS 718 4.0L PDK (400 Bhp)
  • Porsche Cayman GT4 718 4.0L / GT4 RS 718 4.0L
  • Porsche 992.1 Carrera 2 3.0L 2019-24
  • Porsche 992.1 Carrera 4 3.0L 2019-24
  • Porsche 992.1 Carrera 2 Cabriolet 3.0L 2019-24
  • Porsche 992.1 Carrera 4 Cabriolet 3.0L 2019-24
  • Porsche 992.1 Carrera 2S / GTS 3.0L 2019-24
  • Porsche 992.1 Carrera 4S / GTS 3.0L 2019-24
  • Porsche 992.1 Carrera 2S / GTS Cabriolet 3.0L 2019-24
  • Porsche 992.1 Carrera 4S / GTS Cabriolet 3.0L 2019-24
  • Porsche 992.1 Targa 4 3.0L 2020-24
  • Porsche 992.1 Targa 4S / GTS 3.0L 2020-24
  • Porsche 992.1 Turbo 3.8L 2020-24
  • Porsche 992.1 Turbo S 3.8L 2020-24
  • Porsche 992.1 Turbo Cabriolet 3.8L 2020-24
  • Porsche 992.1 Turbo S Cabriolet 3.8L 2020-24
  • Porsche 992.2 Carrera 2 3.0L 2024>>
  • Porsche 992.2 Carrera 2 3.0L Cabriolet 2024>>

Diagram Ref No 12

What This Product Does:

  • Connects the crankshaft to the camshaft(s) (and in this case, also the oil-pump drive path) ensuring correct timing of valves and pumps. (Implicit from “crank to oil pump” description)
  • Maintains precise synchronization of the engine’s internal components such as pistons, valves and oil pump gear drive — crucial for optimal engine operation.
  • Is built to factory Porsche specification, so it meets the tolerances and durability demanded by high-performance motors.

Symptoms Of Failure:
  • Audible rattling or clattering noises from the timing-cover or front of engine especially at cold start or idle. The chain may slop or hit guides.
  • A illuminated Check Engine Light (CEL) related to cam/crank correlation faults— because timing drift causes sensor readings to fall out of expected range.
  • Rough idle, misfires or reduced performance due to valve timing being off.
  • In extreme cases: the engine may fail to start or stop running if the chain has jumped teeth or broken.
  • Often increased wear on related components (guides, tensioners) and higher risk of major internal damage if left unchecked.

Why Replacement Matters:
  • The timing chain is a critical engine component. When it fails or is out-of-spec, valve timing is compromised which can lead to piston/valve interference (in an interference engine), catastrophic damage, or complete engine failure.
  • A worn chain may allow slack or jump teeth, affecting engine performance, reliability and lifespan. Replacing the chain restores factory-level timing accuracy and performance.
  • Because installation often involves major labour (removing covers, possibly oil pump, timing drive components), doing the replacement proactively saves cost compared with dealing with catastrophic failure later.
  • Ensures continued safe, reliable operation of the vehicle under all conditions (high rpm, performance demands, everyday use).



Related reference numbers
Related, superseded, cross reference or alternative numbers for comparison.

0PB109229A
0PB109229A

The product you are viewing cross references to these numbers
Timing Chain. Porsche 982 Boxster GTS / Cayman GTS / Spyder / GT4 4.0L 2017>> - 0PB109252B
2
Timing Chain. Porsche 982 Boxster GTS / Cayman GTS / Spyder / GT4 4.0L 2017>>
Special Order item
0PB109252B
Product Information
Product Information
Timing Chain.
Restore the heart of your engine’s timing system with this genuine OEM timing chain. The timing chain is designed for precise crank-to-cam synchronization on selected Porsche models. Built to exact factory specifications, it ensures accurate valve timing, smooth engine operation, and long-term durability under high rpm and high load conditions.
Sold Each.
x2 Required Per Car.

Fits:
  • Porsche Boxster GTS 718 4.0L Manual (400 Bhp)
  • Porsche Boxster GTS 718 4.0L PDK (400 Bhp)
  • Porsche Boxster Spyder 718 4.0L (420 Bhp)
  • Porsche Boxster 25 Years 718 4.0L Manual (400 Bhp)
  • Porsche Boxster 25 Years 718 4.0L PDK (400 Bhp)
  • Porsche Cayman GTS 718 4.0L Manual (400 Bhp)
  • Porsche Cayman GTS 718 4.0L PDK (400 Bhp)
  • Porsche Cayman GT4 718 4.0L / GT4 RS 718 4.0L

Diagram Ref No 1

What This Product Does:

  • The timing chain is a Porsche component designed for certain Porsche models (for example, the 718 Boxster, 718 Cayman, 718 Spyder, and possibly newer ones) to control the timing between the crankshaft and the camshaft(s).
  • Its role is to synchronise the valves opening/closing with piston movement — ensuring engine timing stays accurate under load.
  • As the chain rotates, it transmits mechanical power from the crankshaft to camshaft(s) so that the proper valve events happen at the correct times.

Symptoms Of Failure:
  • Rattling noise or audible ticking/knocking from the engine’s timing cover area — often when starting cold or idling.
  • Check Engine Light (CEL) setting, often related to cam/crank correlation or timing issues.
  • Poor engine performance — misfires, rough idle, reduced power or hesitation due to the timing going out of spec.
  • In worst-case: the engine may fail to start if the chain has jumped teeth or broken entirely.
  • High mileage wear: If the car has many km/miles, chain stretch becomes more likely.

Why Replacement Matters:
  • A properly functioning timing chain is critical for engine health. If timing is off, valves and pistons can collide (in interference engines), causing serious and expensive damage.
  • Replacing the chain before a major failure prevents catastrophic outcomes and engine downtime.
  • Over time, even if not broken, wear will degrade performance and reliability — so replacing a worn chain restores optimal operation.
  • Since this is an OEM Porsche part, it ensures fitment, durability and specification compliance for the vehicle it’s designed for, giving confidence in quality.
  • Neglecting a bad chain can lead to much higher repair costs, such as cylinder head work or complete engine replacement.



Related reference numbers
Related, superseded, cross reference or alternative numbers for comparison.

0PB109252B
0PB109252B

The product you are viewing cross references to these numbers
Timing Chain. Porsche 987.2 / 981 / 982 Boxster / Cayman / 997.2 / 991.1 / 991.2 2009>> - 9A110523302
3
Timing Chain. Porsche 987.2 / 981 / 982 Boxster / Cayman / 997.2 / 991.1 / 991.2 2009>>
Special Order item
9A110523302
Product Information
Product Information
Timing Chain.
Restore your Porsche’s timing drive system with this genuine OEM chain. Designed for Porsche 987.2 / 981 / 982 Boxster / Cayman / 997.2 / 991.1 / 991.2 2009>> fitments, this timing chain drives the crank to oil pump/cam chain path. If your engine is showing timing cover noise, fault codes or high mileage, a new timing chain is key to maintaining performance and reliability.

Fits:
  • Porsche Boxster 987 MKII 2.9L 2009-2012
  • Porsche Boxster S 987 MKII 3.4L 2009-2012
  • Porsche Boxster 981 2.7L 2012-16
  • Porsche Boxster 981 S / GTS 3.4L 2012-16
  • Porsche Boxster 981 Spyder 3.8L 2016
  • Porsche Boxster 718 2.0L Manual (300 Bhp)
  • Porsche Boxster 718 2.0L PDK (300 Bhp)
  • Porsche Boxster S 718 2.5L Manual (350 Bhp)
  • Porsche Boxster S 718 2.5L PDK (350 Bhp)
  • Porsche Boxster T 718 2.0L Manual (300 Bhp)
  • Porsche Boxster T 718 2.0L PDK (300 Bhp)
  • Porsche Boxster GTS 718 2.5L Manual (365 Bhp)
  • Porsche Boxster GTS 718 2.5L PDK (365 Bhp)
  • Porsche 997 MKII Carrera C2 3.6L 2009-12
  • Porsche 997 MKII Carrera C4 3.6L 2009-12
  • Porsche 997 MKII Carrera C2S 3.8L 2009-12
  • Porsche 997 MKII Carrera C4S 3.8L 2009-12
  • Porsche 997 MKII Turbo 2010-13
  • Porsche 997 MKII GT2 RS 2011-13
  • Porsche 991.1 Carrera C2 3.4L (350Bhp) 2012-16
  • Porsche 991.1 Carrera C2S 3.8L (400Bhp) 2012-16
  • Porsche 991.1 Carrera C4 3.4L (350Bhp) 2012-16
  • Porsche 991.1 Carrera C4S 3.8L (400Bhp) 2012-16
  • Porsche 991.1 Turbo 3.8L (520bhp) 2014-16
  • Porsche 991.1 Turbo S 3.8L (560Bhp) 2014-16
  • Porsche 991.1 R 4.0L (500 Bhp) 2016
  • Porsche 991.1 GT3 3.8L (475Bhp) 2014-16
  • Porsche 991.1 GT3 RS 4.0L (500Bhp) 2015-16
  • Porsche 991.2 Carrera 2 3.0L (370 Bhp) 2016-19
  • Porsche 991.2 Carrera 2S 3.0L (420 Bhp) 2016-19
  • Porsche 991.2 Carrera 4 3.0L (370 Bhp) 2016-19
  • Porsche 991.2 Carrera 4S 3.0L (420 Bhp) 2016-19
  • Porsche 991.2 Cabriolet 2 3.0L (370 Bhp) 2016-19
  • Porsche 991.2 Cabriolet 2S 3.0L (420 Bhp) 2016-19
  • Porsche 991.2 Cabriolet 4 3.0L (370 Bhp) 2016-19
  • Porsche 991.2 Cabriolet 4S 3.0L (420 Bhp) 2016-19
  • Porsche 991.2 Targa 4 3.0L (370 Bhp) 2016-19
  • Porsche 991.2 Targa 4S 3.0L (420 Bhp) 2016-19
  • Porsche 991.2 Turbo Coupe 3.8L (540 Bhp) 2016-19
  • Porsche 991.2 Turbo S Coupe 3.8L (580 Bhp) 2016-19
  • Porsche 991.2 Turbo Cabriolet 3.8L (540 Bhp) 2016-19
  • Porsche 991.2 Turbo S Cabriolet 3.8L (580 Bhp) 2016-19
  • Porsche 991.2 Speedster 4.0L (510Bhp) 2019
  • Porsche 991.2 GT3 4.0L (500 Bhp) / GT3 RS 4.0L (520 Bhp) 2017-19
  • Porsche 991.2 GT2 RS 3.8L PDK (700 bhp) 2018-19
  • Porsche Cayman 2.9L 987C MKII 2009-12
  • Porsche Cayman S / R 3.4L 987C MKII 2009-12
  • Porsche Cayman 2.7L 981 2013-16
  • Porsche Cayman S / GTS 3.4L 981 2013-16
  • Porsche Cayman GT4 3.8L 2015-16
  • Porsche Cayman 718 2.0L Manual (300Bhp)
  • Porsche Cayman 718 2.0L PDK (300Bhp)
  • Porsche Cayman S 718 2.5L Manual (350Bhp)
  • Porsche Cayman S 718 2.5L PDK (350Bhp)
  • Porsche Cayman T 718 2.0L Manual (300Bhp)
  • Porsche Cayman T 718 2.0L PDK (300 Bhp)
  • Porsche Cayman GTS 718 2.5L Manual (365 Bhp)
  • Porsche Cayman GTS 718 2.5L PDK (365 Bhp)  


Diagram Ref No 10

What This Product Does:

  • The timing chain synchronises the crankshaft with other components — here especially linking to the oil pump / cam drive path — so that the engine’s valves operate at the correct times relative to piston movement.
  • Over time, chains can stretch, guides may wear, tensioners may degrade — all of which will allow slack in the drive, noise, timing drift or even failure.
  • Essentially, this chain is a critical link in the engine’s timing system — it must stay within spec to ensure the engine runs as designed.

When You Should Consider Replacement:
  • Rattling or clattering noise from the engine’s timing‐cover area, especially on cold start, idle or at low revs. Slack chain often causes this.
  • Timing-related fault codes — cam/ crank correlation errors, or variable valve timing issues that could stem from chain/tensioning irregularity.
  • Loss of engine performance, rough running, mis-fires, or inconsistent response — because timing drift can affect the engine’s breathing and ignition.
  • High mileage or long service interval without chain replacement — wear accumulates even if symptoms are subtle.
  • Visual inspection (where possible) may show wear or elongation in chain links, damaged guides or tensioner issues.

Why Replacement Matters:
  • Engine protection: A failed or excessively worn timing chain can cause piston-valve contact, or major internal engine damage. Replacing the chain significantly reduces that risk.
  • Maintains timing accuracy: A new chain ensures correct timing events — vital for power delivery, engine smoothness, efficiency and longevity.
  • Noise & NVH improvement: Slack or worn chain components often produce unwanted noise and degrade refinement — renewed parts improve comfort.
  • Cost-efficiency: Since accessing the chain involves significant labour (front engine cover, oil pump, possibly other removal), replacing the chain while you’re already in saves repeated work.



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Related, superseded, cross reference or alternative numbers for comparison.

9A110523302
9A110523302

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Torx screw M5x12 throttle control element. Porsche 987.2 / 981 / 718 / 997.2 / 991 - 99907365001
1
Torx screw M5x12 throttle control element. Porsche 987.2 / 981 / 718 / 997.2 / 991
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99907365001
Product Information
Product Information
Torx screw M5x12 throttle control element. 

porsche

Fits:
Porsche 987.2 Boxster / Cayman - 2009 to 2012
Porsche 981 Boxster / Cayman - 2012 to 2016
Porsche 718 Boxster / Cayman  - 2017 Onwards
Porsche 997.2 - 2009 to 2012
Porsche 991 - 2012 to 2018


Related reference numbers
Related, superseded, cross reference or alternative numbers for comparison.

99907365001
99907365001

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About Chains & Tensioners

Precision Timing Chains & Tensioners – Engine Synchronisation and Reliability for Porsche Models

The timing chain system is one of the most critical components of a Porsche engine, ensuring perfect synchronisation between the crankshaft and camshafts. This precise coordination allows valves to open and close at the right moment, maintaining smooth power delivery, fuel efficiency, and long-term engine health.

At Design911, we supply a comprehensive range of precision-engineered timing chains, guides, and hydraulic tensioners designed to meet or exceed manufacturer performance standards. Each component is manufactured from high-strength materials for exceptional wear resistance and durability — vital for high-revving, performance-oriented Porsche engines.

What Do Timing Chains and Tensioners Do?

A timing chain connects the crankshaft to the camshafts, ensuring accurate valve timing. The tensioner keeps the chain taut to prevent slack, vibration, or noise, maintaining precise timing under all load conditions.

Core Functions:

  • Synchronise engine timing between the camshaft and crankshaft.
  • Maintain valve timing accuracy for optimal combustion and power.
  • Prevent chain slack and noise through hydraulic or spring-loaded tensioning.
  • Ensure long-term reliability in both performance and everyday driving.

Together, these components preserve the exacting standards of Porsche engine operation — vital for both power and longevity.

Why Do Timing Chains and Tensioners Fail?

Over time, wear, oil degradation, and heat cycles can cause timing components to deteriorate. When neglected, they may stretch, seize, or lose tension — leading to severe engine damage.

Common Causes of Failure Include:

  • Chain stretch or elongation, resulting in timing misalignment.
  • Worn or leaking hydraulic tensioners, causing chain rattle on start-up.
  • Contaminated or degraded engine oil, accelerating wear.
  • Broken chain guides from heat stress or material fatigue.
  • Insufficient oil pressure, reducing hydraulic tensioner performance.

A failing timing chain system can lead to poor performance, rough idling, check-engine lights, or — in extreme cases — catastrophic valve-to-piston contact.

Why Replace with Performance-Grade Timing Components?

Replacing aging timing components with manufacturer-quality parts ensures reliable valve timing, smoother operation, and peace of mind.

Key Benefits:

  • Restores precise valve timing for peak performance and efficiency.
  • Prevents engine noise and vibration caused by chain slack.
  • Protects against catastrophic engine damage due to chain failure.
  • Constructed from heat-treated, high-grade steel for long service life.
  • Engineered to match original timing profiles for Porsche engines.
  • Perfect fitment for classic air-cooled and modern water-cooled models.

Whether performing preventive maintenance or a complete rebuild, these timing chains and tensioners deliver race-ready reliability with road-tested durability.

Highlights:

  • Precision-engineered timing chains, guides, and tensioners for Porsche engines.
  • Restores timing accuracy and eliminates start-up rattle or misfire issues.
  • Built from heat-treated alloy steel for maximum longevity.
  • Hydraulic and mechanical tensioners available for various Porsche models.
  • Ideal for performance rebuilds and preventative maintenance.
  • Compatible with air-cooled and water-cooled Porsche engines.

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