Chains & Tensioners

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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90012314730

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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

Click 'Zoom in' for large parts diagram.
Diagram ref no 37

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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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99610518802

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Chain case gasket.



Fits:
Porsche 996 Turbo 2001-05
Porsche 996 GT3 2000-05
Porsche 997 Turbo 2007-09
Porsche 997 GT2 RS 2011
Porsche 997 GT3 / GT3 RS 2007-11

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Diagram ref no 16 (LEFT) or 17 (RIGHT)

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99610551

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Chain case tensioner lid gasket. Sold each.



Fits:
Porsche 996 GT3 2000-05
Porsche 997 Turbo 2007-09
Porsche 997 GT2 RS 2011
Porsche 997 GT3 / GT3 RS 2007-11

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Diagram ref no 9

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99610517270

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Chain case tensioner lid gasket. Sold each.



Fits:
Porsche 996 GT3 2000-05
Porsche 997 Turbo 2007-09
Porsche 997 GT2 RS 2011
Porsche 997 GT3 / GT3 RS 2007-11

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Diagram ref no 9

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99610517270

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Chain Guide Rail. Porsche 996 / 997



Fits:
Porsche 996 Turbo 2001-05
Porsche 996 GT3 2000-05
Porsche 997 Turbo 2007-11
Porsche 997 GT3 2007-11

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Diagram ref no 21

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99610516

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Chain Guide. 2 per engine.



Fits:
Porsche 986 Boxster
Porsche 996 1998-05

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

Chain guide.
2 per engine. Sold each.



Fits:
Porsche 986 Boxster
Porsche 996 1998-05

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Diagram Ref No 33.

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99610517353

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Chain tensioner adjuster, LEFT.



Fits:
Porsche 996 Turbo 2001-05
Porsche 996 GT3 3.6L 1999-05 (96.76 / 96.79)
Porsche 997.1 GT3 3.6L 2007-09 (97.76)
Porsche 959

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Diagram ref no 7.

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95910505104

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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

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99610518058

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Chain adjuster. Porsche 986 / 996 >>15/08/2000 

Fits:
Porsche 986 2.7L Boxster >>August 15th, 2000 up to M96.22 65100500 with roller-type chain
Porsche 986 3.2L Boxster S >>August 15th, 2000 up to M96.21 65100500 with roller-type chain
Porsche 996 3.4L 2000 >>August 15th, 2000 up to M96.04 66100500 with roller-type chain

Diagram ref no 35

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99610518059

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Chain Tensioner Adjuster.
The Chain Tensioner Adjuster is a critical component in your engine’s timing system. Designed to maintain the correct tension on the timing chain, it ensures smooth, accurate synchronization between the crankshaft and camshafts for reliable performance.

Fits:

• Porsche Boxster 986 2.5L 1997-99
• Porsche Boxster 986 2.7L 1999-02
• Porsche Boxster S 986 3.2L 1999-02

Cars With Engine Codes:
M96.20 / M96.21 / M96.22

• Porsche 996 C2 3.4L 1997-08/01
• Porsche 996 C4 3.4L 1997-08/01
  

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

Diagram Ref No 35

What This Product Does:
The chain tensioner adjuster is a vital component in Porsche engines that use timing chains. Its role is to keep the timing chain under correct tension, ensuring smooth and precise synchronization between the crankshaft and camshafts.

Functions:

• Maintains proper chain tension to prevent slack or excessive tightness.
• Reduces chain noise and vibration.
• Helps keep engine timing accurate for optimal performance.
• Protects against premature wear of the chain and sprockets.
  
  

Symptoms Of A Faulty Chain Tensioner Adjuster:

• Rattling or knocking noise from the engine, especially at startup.
  
• Engine light triggered due to timing issues.
  
• Engine misfires or rough running caused by timing irregularities.
  
• Excessive timing chain wear or visible slack.
  
• In severe cases, loss of timing leading to serious engine damage.
  
  

Why Replacement Matters:
The chain tensioner adjuster is a critical timing component. If it fails, the timing chain can skip teeth or lose tension, resulting in poor engine performance or catastrophic internal damage.
This part is especially important during engine rebuilds, timing chain services, or if unusual noises develop from the timing system.

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99610518059

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Chain Tensioner - Cylinder 1-3 or 4-6. (1 per engine)



Fits:
Porsche 996 C2 / C4 1998-05
Porsche 986 Boxster 1997-04

Click picture for large parts diagram.
Diagram Ref No 7.

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99610505

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Timing chain guide rail kit, including o-ring (99970164740). 

Fits:
Porsche 986 Boxster 1997-04
Porsche 996 3.4L C2 / C4 >>2001 

Click 'Zoom in' for large parts diagram.
Diagram ref no 9.

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99610525301

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