Chains & Tensioners

Actuator Camshaft. Porsche 996 / 986 / 997 / 987 / 987C



Fits:
Porsche 996 C2 / C4 / C4S 2002>>
Porsche 986 Boxster 2.7L / 3.2L 1997-04
Porsche 987 Boxster 2005-08
Porsche 987C Cayman 2005-08
Porsche 997 2005-08
Porsche Carrera Gt 2004-06


This product supersedes Porsche's old part numbers:
- 99610530302
- 99610530303
- 99610530304
- 99610530305


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Diagram Ref No 41

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Related, superseded, cross reference or alternative numbers for comparison.

99610530307

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Actuator Camshaft. A solenoid component for the Variable Camshaft Timing (VarioCam Plus) system, used to adjust camshaft timing for optimal performance. Serves the front (intake/exhaust timing) of the VarioCam system, typically requiring two units per engine (one per bank)

Common issues or symptoms: 

Rough idle / misfires: Faulty actuator disrupts precise valve timing, leading to uneven idling or misfires 

Reduced engine performance: Loss of power or hesitation at certain RPMs can be linked to improper camshaft adjustment Check Engine Light (CEL), often triggered when the engine control unit (ECU) detects misalignment or malfunction in camshaft timing — very common with actuator failure 



Fits:
Porsche 996 C2 / C4 / C4S - 2002 to 2005
Porsche 986 Boxster 2.7ltr / 3.2ltr - 1997 to 2004
Porsche 987 Boxster - 2005 to 2008
Porsche 987C Cayman - 2005 to 2008
Porsche 997 - 2005 to 2008
Porsche Carrera Gt - 2004 to 2006

Faulty actuator disrupts precise valve timing, leading to uneven idling or misfires Diagnostic Trouble Codes (DTCs): Codes like P0010, P0011, P0012, P0013, P0014 often point to camshaft actuator or timing issues. They indicate conditions such as stuck timing advance/retard, or electrical faults in the actuator circuit Failure Causes: Oil contamination or sludge can clog the actuator, impairing function. Electrical problems such as wiring degradation or poor connector contact can impede correct activation 

Diagnostic & repair advice check oil quality and change intervals — fresh, clean oil helps prevent buildup that hampers actuator performance scan for and interpret fault codes using an OBD-II scanner to pinpoint actuator failure or control circuit issues Inspect connectors and wiring for corrosion or looseness Replace defective solenoid(s) with OEM or high-quality equivalents if internal stick or mechanical failure is suspected. 

This product supersedes Porsche's old part numbers:
- 99610530302
- 99610530303
- 99610530304
- 99610530305
- 99610530306

- 99610530307

Click 'Zoom in' for large parts diagram.
Diagram Ref No 41

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

99610530307

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Camshaft control element NVS. 



Fits
Porsche 987.2 Boxster / Boxster S - 2009 to 2012
Porsche 987.2 Cayman / Cayman S - 2009 to 2012
Porsche 981 Boxster / Boxster S / Spyder
Porsche 981 Cayman / Cayman S / GT4
Porsche 997 Carrera / Carrera S - 2009 to 2012
Porsche 997 Carrera 4 / Carrera 4S - 2009 to 2012
Porsche 997.2 turbo 2009 to 2012 
Porsche 997.2 GT3 2011 to 2012 
Porsche 991.1 3.4ltr / 3.8ltr - 2012 to 2016
Porsche 991 turbo 3.8ltr  - 2014 to 2020

Diagram ref no 3

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

9A110530405

The product you are viewing cross references to these numbers

Camshaft control element NVS. Porsche 987 / 981 / 997 / 991



Fits
Porsche 987.2 Boxster / Boxster S - 2009 to 2012
Porsche 987.2 Cayman / Cayman S - 2009 to 2012
Porsche 981 Boxster / Boxster S / Spyder
Porsche 981 Cayman / Cayman S / GT4
Porsche 997 Carrera / Carrera S - 2009 to 2012
Porsche 997 Carrera 4 / Carrera 4S - 2009 to 2012
Porsche 997.2 turbo 2009 to 2012 
Porsche 997.2 GT3 2011 to 2012 
Porsche 991.1 3.4ltr / 3.8ltr - 2012 to 2016
Porsche 991 turbo 3.8ltr  - 2014 to 2020

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Diagram ref no 13

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9A110530405

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Camshaft timing chain.
Timing chain from the intermediate shaft to the heads. Two required. Price is for each.

Fits:
Porsche 996 Carrera 3.6L 2002-2004
Porsche 987 Boxster / Boxster S 2005-08
Porsche 987C Cayman / Cayman S 2005-08
Porsche 997 Carrera 3.6L / S 3.8L 2005-08 COUPE / CABRIO

Diagram ref no. 26

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99610515201

The product you are viewing cross references to these numbers

Camshaft timing chain.
Timing chain from the intermediate shaft to the heads.
Two required. Price is for each.

Fits:
Porsche 996 Carrera 3.6L 2002-2004
Porsche 987 Boxster / Boxster S 2005-08
Porsche 987C Cayman / Cayman S 2005-08
Porsche 997 Carrera 3.6L / S 3.8L 2005-08 COUPE / CABRIO

Diagram ref no. 26

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99610515201

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Chain adjuster sealing o-ring. 18,77 x 1,78
3 per engine. Price is for each.



Fits:
Porsche 996
Porsche 986 Boxster
Porsche 987 Boxster
Porsche 987C Cayman
Porsche 997.1 Gen

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Diagram ref no 25

Related reference numbers
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99970734440

The product you are viewing cross references to these numbers

Chain adjuster sealing ring. 27 x 32
3 per engine. Price is for each.



Fits:
Porsche 996
Porsche 986 Boxster
Porsche 987 Boxster
Porsche 987C Cayman
Porsche 997.1 Gen

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Diagram ref no 37

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

90012314730

The product you are viewing cross references to these numbers

Chain adjuster sealing ring. 27 x 32
3 per engine. Price is for each.

Fits:
Porsche 996
Porsche 986 Boxster
Porsche 987 Boxster
Porsche 987C Cayman
Porsche 997.1 Gen

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Diagram ref no 37

Related reference numbers
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90012314730

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Chain adjuster, with green seal.



Fits:
Porsche 987 Boxster MKI 2005-08
Porsche 987 Cayman MKI 2005-08
Porsche 997 Carrera MKI 2005-08
Porsche 996 Carrera

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Diagram ref no 34

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

99610518802

The product you are viewing cross references to these numbers

Chain adjuster, with green seal. 15/08/2000>>

Fits:

• Porsche Boxster 986 2.7L 2001 - 2002
• Porsche Boxster 986 S 3.2 2001- 2002

Cars With Engine Codes:
M96.21 / M96.22 / M96.23 / M96.24

• Porsche Boxster 987 2.7L 2005 -08/08
• Porsche Boxster 987 S 3.2/3.4L 2005-08/08

Cars With Engine Codes:
M96.25 / M96.26 / M97.20 / M97.21 / M97.22

• Porsche Cayman 2.7L 987C 2006-08
• Porsche Cayman S 3.4L 987C 2005-08

Cars With Engine Codes:
M97.21 / M97.20 / M97.22

• Porsche Boxster 996 3.4L 2001
• Porsche Boxster 996 3.6L 2001- 2005

Cars With Engine Codes:
M96.01 / M96.02 / M96.03 / M96.04

• Porsche 997 Carrera 2 3.6L 2005>>
• Porsche 997 Carrera 2S 3.8L 2005>>
• Porsche 997 Carrera 4 3.6L 2005>>
• Porsche 997 Carrera 4S 3.8L 2005>>

Cars With Engine Codes:

M97.01 / M96.05

Diagram ref no 35

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99610518058

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Chain Tensioner Adjuster.

The Chain Tensioner Adjuster is an essential part of your engine’s timing system. Its role is to keep the timing chain under precise tension, ensuring smooth synchronization between the crankshaft and camshafts for accurate valve timing and dependable engine performance.
Over time, chain tensioners can weaken, leading to slack, noise, and timing irregularities. Left unchecked, this can cause severe engine damage. Replacing the adjuster restores proper chain tension, reduces rattling, and helps protect your engine from costly failures.

Fits:

• Porsche Boxster 986 2.7L 2001 - 2002
• Porsche Boxster 986 S 3.2 2001- 2002

Cars With Engine Codes:
M96.21 / M96.22 / M96.23 / M96.24

• Porsche Boxster 987 2.7L 2005 -08/08
  
• Porsche Boxster 987 S 3.2/3.4L 2005-08/08
  

Cars With Engine Codes:
M96.25 / M96.26 / M97.20 / M97.21 / M97.22

• Porsche Cayman 2.7L 987C 2006-08
  
• Porsche Cayman S 3.4L 987C 2005-08
  

Cars With Engine Codes:
M97.21 / M97.20 / M97.22

• Porsche Boxster 996 3.4L 2001
• Porsche Boxster 996 3.6L 2001- 2005

Cars With Engine Codes:
M96.01 / M96.02 / M96.03 / M96.04

• Porsche 997 Carrera 2 3.6L 2005>>
• Porsche 997 Carrera 2S 3.8L 2005>>
• Porsche 997 Carrera 4 3.6L 2005>>
• Porsche 997 Carrera 4S 3.8L 2005>>

Cars With Engine Codes:
M97.01 / M96.05

What This Product Does:
The chain tensioner adjuster is a key component in Porsche engines with timing chains. Its job is to keep the chain at the correct tension, ensuring the crankshaft and camshafts remain perfectly synchronized.

Functions:

• Maintains proper chain tension for precise valve timing.
• Reduces slack, vibration, and chain rattle.
• Prevents chain skipping or jumping teeth under load.
• Protects the chain, guides, and sprockets from premature wear.
  
  

Symptoms Of A Faulty Chain Tensioner Adjuster:

• Rattling or metallic noise from the timing chain area, especially at cold start.
  
• Engine light from timing irregularities.
  
• Engine misfires or rough idle due to incorrect valve timing.
  
• Loss of performance or efficiency.
  
• In severe cases timing chain failure, which can cause catastrophic engine damage.
  
  

Why Replacement Matters:
This part is critical to engine reliability. A worn or failing chain tensioner can lead to major timing issues, risking serious internal damage.
Replacing it ensures:

• Correct tension and timing accuracy.
  
• Reduced noise and vibration from the chain system.
• Long-term protection of the timing chain, guides, and engine.

It’s strongly recommended to replace the tensioner during timing chain service, rebuilds, or if early warning symptoms are present.

Diagram Ref No 35

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

99610518058

The product you are viewing cross references to these numbers

Engine timing Chain Kit for camshaft and oil pump gears.



Fits:
Porsche 987.2 Boxster
Porsche 981 Boxster
Porsche 987C.2 Cayman
Porsche 981C Cayman
Porsche 997.2
Porsche 991.1

Contains
2x 9A110514203
1x 9A110523302
1x 9A110523502
2x 9A110515304
2x 9A110515504
2x 9A110515703
1x 9A110522502
1x 9A110514702
1x 9A110514802
2x 9A110510102


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Diagram ref no 1

Related reference numbers
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9A110514203

The product you are viewing cross references to these numbers

Engine timing Chain Kit for camshaft and oil pump.



2x Chain links 142 Closed chain,
1x Chain links 60 Closed chain,
2x Tensioner, timing chain

Fits:
Porsche 987.2 Boxster
Porsche 981 Boxster
Porsche 987C.2 Cayman
Porsche 981C Cayman
Porsche 997.2
Porsche 991.1

Click 'Zoom in' for large parts diagram.
Diagram ref no 1

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

9A110514203

The product you are viewing cross references to these numbers

Engine timing chain kit for oil pump gear.



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

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Diagram ref no 2, 3, 10 and 11

Related reference numbers
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9A110523302

The product you are viewing cross references to these numbers

Guide Rail - Cylinder 1-3. 1 per engine.



Fits:
Porsche 986 Boxster 2003-04
Porsche 987 Boxster 2005-08
Porsche 987C Cayman 2006-08
Porsche 996 C2 / C4 / C4S 2000>>
Porsche 997 MKI 2005-08

Click picture for large parts diagram.
Diagram Ref No 33.