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Chains & Tensioners

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DISPLAYING 1 to 16 (of 43 products)
1 2 3
99610516
Product Information
Product Information
Chain guide rail.

oematch

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

Click 'Zoom in' for large parts diagram.
Diagram ref no 21

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99610516
21260
21261
99610516670
99610516770

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99610551
Product Information
Product Information
Chain case gasket.

elring

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

Click 'Zoom in' for large parts diagram.
Diagram ref no 16 (LEFT) or 17 (RIGHT)

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99610551
99610551372
99610551472
235.911
235.881

The product you are viewing cross references to these numbers
Special Order item
99610530307
Product Information
Product Information
Actuator Camshaft. Porsche 996 / 986 / 997 / 987 / 987C

porsche

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


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

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99610530307
99610530306
99610530303
99610530305
99610530307

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99610530307/1
Product Information
Product Information
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 

oematch

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



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99610530307
99610530306
99610530303
99610530305
99610530307
99610530304
99610530302

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Special Order item
96410517103
Product Information
Product Information
Bolt for chain tensioner blade. Fits left or right side. Sold each.

porsche

Fits:
Porsche 964 1989-94
Porsche 993 1994-98
Porsche 996 1998-04
Porsche 997.1 Turbo 2000-09
Porsche 997.2 Turbo 2010-13
Porsche 997 GT3 2007-11

Click 'Zoom in' for large parts diagram.
Diagram ref 14

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96410517103
96410517103
96410517102

The product you are viewing cross references to these numbers
Special Order item
99610515201
Product Information
Product Information
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
99610515201
99610515200

The product you are viewing cross references to these numbers
99610515201/1
Product Information
Product Information
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
99610515201
99610515200

The product you are viewing cross references to these numbers
Special Order item
99970734440
Product Information
Product Information
Chain adjuster sealing o-ring. 18,77 x 1,78
3 per engine. Price is for each.

porsche

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 25

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99970734440
99970734440

The product you are viewing cross references to these numbers
Special Order item
90012314730
Product Information
Product Information
Chain adjuster sealing ring. 27 x 32
3 per engine. Price is for each.

porsche

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

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

90012314730
90012314730

The product you are viewing cross references to these numbers
90012314730/1
Product Information
Product Information
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

Related reference numbers
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90012314730
90012314730

The product you are viewing cross references to these numbers
Special Order item
99610518802
Product Information
Product Information
Chain adjuster, with green seal.

porsche

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

Click 'Zoom in' for large parts diagram.
Diagram ref no 34

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99610518802
99610518801
99610518802
99610517651

The product you are viewing cross references to these numbers
Special Order item
99610551
Product Information
Product Information
Chain case gasket.

porsche

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

Click 'Zoom in' for large parts diagram.
Diagram ref no 16 (LEFT) or 17 (RIGHT)

Related reference numbers
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99610551
99610551372
99610551472
235.911
235.881

The product you are viewing cross references to these numbers
Special Order item
99610517270
Product Information
Product Information
Chain case tensioner lid gasket. Sold each.

porsche

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

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

Related reference numbers
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99610517270
99610517270
234.320

The product you are viewing cross references to these numbers
99610517270/1
Product Information
Product Information
Chain case tensioner lid gasket. Sold each.

elring

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

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

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

99610517270
99610517270
234.320

The product you are viewing cross references to these numbers
Special Order item
99610516
Product Information
Product Information
Chain Guide Rail. Porsche 996 / 997

porsche

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

Click 'Zoom in' for large parts diagram.
Diagram ref no 21

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

99610516
99610516670
99610516770

The product you are viewing cross references to these numbers
Special Order item
95910505104
Product Information
Product Information
Chain tensioner adjuster, LEFT.

porsche

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

Click ' Zoom in' for large parts diagram.
Diagram ref no 7.


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95910505104
95910505104
95910505101
95910505201
95910505204

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DISPLAYING 1 to 16 (of 43 products)
1 2 3
Also found on these pages
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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