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camshaft Genuine Porsche part 9A110521574

Code: 9A110521574

Genuine Porsche part

camshaft

The product code 9A110521574 was also found on these diagrams

103-010 - camshaft exhaust

Camshaft / Hydraulic tappet / Camshaft adjuster unit - A170 - 997.2 Turbo 3.8L 2010-13

Additional information:

• This part is brand new and unused.
• Please verify that it is 100% suitable for your specific vehicle before purchase to ensure compatibility.

Before purchasing thoroughly check part to confirm compatibility.

Related products

3 3 3

Timing Chain. Porsche 987.2 / 981 / 982 Boxster / Cayman / 997.2 / 991.1 / 991.2 2009>>

9A110523302

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.

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Related, superseded, cross reference or alternative numbers for comparison.

9A110523302

9A110523302

The product you are viewing cross references to these numbers

Engine Timing Chain Kit. Porsche 991.2 Carrera 2 / 2S / 4 / 4S 3.0L 2016-19

ENGINEKIT991.2.OE

Product Information

Engine Timing Chain Kit.
Restore your Porsche’s timing drive system with this comprehensive overhaul kit.

Fits:

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, 4, 5, 6, 9, 10, 11

What These Products Do:

The timing chain drives the camshaft(s) from the crankshaft (and possibly intermediate shafts) so the valves open/close in synchrony with piston motion.
The main chain is the primary drive link; the tensioner ensures the chain remains under correct tension during all engine conditions, preventing slack or skip.
Guide rails/slide rails and tensioner blades provide the correct path and contact surface for the chain, reduce vibration, maintain alignment and protect from accelerated wear.
Over time, chains can stretch, tensioners weaken, guides/rails wear and blades incur damage — if untreated, this leads to timing errors, engine noise, codes or even catastrophic failure.
A full kit resets the timing drive system: new chain, tensioning hardware, guiding rails etc — bringing the system back to better condition.

When / Symptoms That Indicate Replacement:

Rattling or clattering noise from the timing cover area (front of engine) especially on cold start or idle — often chain slack or guide wear.
Diagnostic trouble codes (DTCs) for camshaft/crankshaft correlation, variable valve timing errors, or messages about timing chain drift — these can stem from worn chain or tensioner.
Drop in engine performance: rough idle, mis-firing, loss of power or uneven running — timing is off due to chain or guiding component wear.
High mileage/high-use performance car where original timing chain hardware remains — proactive replacement avoids greater cost.
When doing major engine service that involves removing the timing cover, front engine cover, or accessing the timing chain drive — since labour is already significant.
Visual inspection (if possible) shows chain slack, broken/damaged guide rails or blades, oil-feed to the tensioner compromised.

Why Replacement Matters:

Protect your engine: A failed timing chain drive can result in catastrophic engine damage (valves/pistons collision) in many Porsche engines.
Restore precise timing and engine health: New chain + guides + tensioner ensures the engine runs exactly as designed with correct valve events and ignition timing.
Eliminate chain-slap noise, improve NVH: Worn chain and guides often produce audible noise and degrade refinement.
Get full value from service labour: Since accessing the chain drive requires major labour, fitting a full kit now prevents partial fixes and repeated dismantling.

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

ENGINEKIT991.2.OE

0PB109507G

0PB109509B

0PB109514A

9A210514801

0PB109513B

9A110523302

0PB109508B

The product you are viewing cross references to these numbers

Engine Timing Chain Kit. Porsche 991.2 Turbo / Turbo S 2016-19

ENGINEKIT991.2.T

Product Information

Engine Timing Chain Kit.
Restore the precision and reliability of your engine with this complete Engine Timing Chain Kit, designed for Porsche 991.2 Turbo / Turbo S 2016-2019 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 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

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.

ENGINEKIT991.2.T

0PB109509A

0PB109507E

0PB109514A

9A110514203

0PB109513A

0PB109508B

9A110523302

The product you are viewing cross references to these numbers

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camshaft Genuine Porsche part 9A110521574