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Porsche > Cayenne 92A (958) 2010-2017 > 958 Cayenne S V8 4.2L Diesel (382Hp) 2010-17 > Engine Rebuild Parts >

Chains & Tensioners

Chains & Tensioners

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DISPLAYING 1 to 6 (of 6 products)
Camshaft Adjuster and Bolt. Porsche 958 Cayenne V8 / 970 Panamera V8 / 970 Panamera V6 3.6ltr - 94810525400
4
Camshaft Adjuster and Bolt. Porsche 958 Cayenne V8 / 970 Panamera V8 / 970 Panamera V6 3.6ltr
94810505123KIT
Product Information
Product Information

Porsche Camshaft Adjuster and Bolt Kit - Variable Valve Timing Repair Solution

This camshaft adjuster and bolt kit provides a complete solution for restoring correct camshaft timing operation on Porsche 958 Cayenne 4.8 litre V8 and 970 Panamera 4.8ltr V8 and 3.6ltr V6 engines.

Fits:

  • Porsche 958 Cayenne S V8 4.8L Petrol (400Hp) 2010-17
  • Porsche 958 Cayenne S V8 4.2L Diesel (382Hp) 2010-17
  • Porsche 958 Cayenne GTS V8 4.8L Petrol (400Hp) 2010-17
  • Porsche 958 Cayenne Turbo V8 4.8L Petrol (500Hp) 2010-17
  • Porsche 958 Cayenne Turbo S V8 4.8L Petrol (550Hp) 2010-17
  • Porsche 970.1 Panamera V6 3.6L 2WD 2009-13
  • Porsche 970.1 Panamera 4 V6 3.6L 4WD 2009-13
  • Porsche 970.1 Panamera S V8 4.8L 2009-13
  • Porsche 970.1 Panamera 4S V8 4.8L 2009-13
  • Porsche 970.1 Panamera GTS V8 4.8L 2011-13
  • Porsche 970.1 Panamera Turbo V8 4.8L 2009-13
  • Porsche 970.1 Panamera Turbo S V8 4.8L 2009-13
  • Porsche 970.2 Panamera V6 3.6L 2WD (310Hp) 2014-16
  • Porsche 970.2 Panamera 4 V6 3.6L 4WD (310Hp) 2014-16
  • Porsche 970.2 Panamera GTS V8 4.8L 4WD (440Hp) 2014-16
  • Porsche 970.2 Panamera Turbo V8 4.8L (520Hp) 2014-16
  • Porsche 970.2 Panamera Turbo V8 Executive 2014-16
  • Porsche 970.2 Panamera Turbo S V8 4.8L 2014-16
Diagram ref no 9 and 10

The kit includes:
1 x Camshaft adjuster unit
1 x Securing bolt (single-use torque fastener)

Designed to meet OEM specifications, this kit ensures precise valve timing control and reliable engine performance.

What the Camshaft Adjuster Does

The camshaft adjuster is a key component of Porsche’s VarioCam variable valve timing system. It allows the engine control unit to adjust camshaft timing dynamically depending on engine speed, throttle input and load conditions.

By advancing or retarding valve timing, the camshaft adjuster helps to:

  • Improve low-end torque
  • Enhance high-RPM power delivery
  • Optimise fuel efficiency
  • Reduce exhaust emissions
  • Maintain smooth engine operation

The securing bolt clamps the adjuster firmly to the camshaft, ensuring accurate alignment and stable operation under high engine loads.

Why Camshaft Adjusters and Bolts Fail

Camshaft adjusters operate under high oil pressure and constant rotational stress. Over time, they may fail due to:

  • Internal wear of adjustment mechanisms
  • Oil contamination or sludge buildup
  • Loss of hydraulic pressure control
  • High mileage wear Aggressive driving conditions

The securing bolts are often torque-to-yield fasteners designed for single use. Reusing old bolts can lead to insufficient clamping force, improper seating or loosening under load.

Common symptoms of failure include:

  • Check engine light illumination
  • Camshaft position or timing correlation fault codes
  • Rough idle or hesitation
  • Loss of power
  • Rattling noise from the timing area
  • Reduced fuel efficiency

In severe cases, incorrect cam timing can cause further engine damage if not addressed promptly.

Why You May Need This Camshaft Adjuster Kit

If your Porsche 958 Cayenne 4.8 V8 or 970 Panamera 4.8 V8 or 3.6 V6 is displaying camshaft timing faults, replacing both the adjuster and the securing bolt ensures a complete and reliable repair.

This kit is essential during:

  • VarioCam repairs
  • Timing chain service
  • Cylinder head work
  • Engine rebuilds
  • Camshaft replacement
  • Diagnosis of camshaft timing deviation codes

Installing a new adjuster together with a new bolt guarantees proper torque specification and long-term timing stability.



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

94810505123KIT
94810525400

The product you are viewing cross references to these numbers
Engine Camshaft Adjuster and Bolt Kit. Porsche 958 Cayenne V8 / 970 Panamera V8 / 970 Panamera V6 3.6ltr - 94810525400 - 94810505123KIT
5
Engine Camshaft Adjuster and Bolt Kit. Porsche 958 Cayenne V8 / 970 Panamera V8 / 970 Panamera V6 3.6ltr
94810505123KIT1
Product Information
Product Information

Complete Engine Camshaft Adjuster and Bolt Kit - Variable Valve Timing Repair Solution

This camshaft adjuster and bolt kit provides a complete solution for restoring correct camshaft timing operation on Porsche 958 Cayenne 4.8 litre V8 and 970 Panamera 4.8ltr V8 and 3.6ltr V6 engines.

Fits:

  • Porsche 958 Cayenne S V8 4.8L Petrol (400Hp) 2010-17
  • Porsche 958 Cayenne S V8 4.2L Diesel (382Hp) 2010-17
  • Porsche 958 Cayenne GTS V8 4.8L Petrol (400Hp) 2010-17
  • Porsche 958 Cayenne Turbo V8 4.8L Petrol (500Hp) 2010-17
  • Porsche 958 Cayenne Turbo S V8 4.8L Petrol (550Hp) 2010-17
  • Porsche 970.1 Panamera V6 3.6L 2WD 2009-13
  • Porsche 970.1 Panamera 4 V6 3.6L 4WD 2009-13
  • Porsche 970.1 Panamera S V8 4.8L 2009-13
  • Porsche 970.1 Panamera 4S V8 4.8L 2009-13
  • Porsche 970.1 Panamera GTS V8 4.8L 2011-13
  • Porsche 970.1 Panamera Turbo V8 4.8L 2009-13
  • Porsche 970.1 Panamera Turbo S V8 4.8L 2009-13
  • Porsche 970.2 Panamera V6 3.6L 2WD (310Hp) 2014-16
  • Porsche 970.2 Panamera 4 V6 3.6L 4WD (310Hp) 2014-16
  • Porsche 970.2 Panamera GTS V8 4.8L 4WD (440Hp) 2014-16
  • Porsche 970.2 Panamera Turbo V8 4.8L (520Hp) 2014-16
  • Porsche 970.2 Panamera Turbo V8 Executive 2014-16
  • Porsche 970.2 Panamera Turbo S V8 4.8L 2014-16
Diagram ref no 9 and 10

The kit includes:
2 x Camshaft adjuster unit
2 x Securing bolt (single-use torque fastener)

Designed to meet OEM specifications, this kit ensures precise valve timing control and reliable engine performance.

What the Camshaft Adjuster Does

The camshaft adjuster is a key component of Porsche’s VarioCam variable valve timing system. It allows the engine control unit to adjust camshaft timing dynamically depending on engine speed, throttle input and load conditions.

By advancing or retarding valve timing, the camshaft adjuster helps to:

  • Improve low-end torque
  • Enhance high-RPM power delivery
  • Optimise fuel efficiency
  • Reduce exhaust emissions
  • Maintain smooth engine operation

The securing bolt clamps the adjuster firmly to the camshaft, ensuring accurate alignment and stable operation under high engine loads.

Why Camshaft Adjusters and Bolts Fail

Camshaft adjusters operate under high oil pressure and constant rotational stress. Over time, they may fail due to:

  • Internal wear of adjustment mechanisms
  • Oil contamination or sludge buildup
  • Loss of hydraulic pressure control
  • High mileage wear Aggressive driving conditions

The securing bolts are often torque-to-yield fasteners designed for single use. Reusing old bolts can lead to insufficient clamping force, improper seating or loosening under load.

Common symptoms of failure include:

  • Check engine light illumination
  • Camshaft position or timing correlation fault codes
  • Rough idle or hesitation
  • Loss of power
  • Rattling noise from the timing area
  • Reduced fuel efficiency

In severe cases, incorrect cam timing can cause further engine damage if not addressed promptly.

Why You May Need This Camshaft Adjuster Kit

If your Porsche 958 Cayenne 4.8 V8 or 970 Panamera 4.8 V8 or 3.6 V6 is displaying camshaft timing faults, replacing both the adjuster and the securing bolt ensures a complete and reliable repair.

This kit is essential during:

  • VarioCam repairs
  • Timing chain service
  • Cylinder head work
  • Engine rebuilds
  • Camshaft replacement
  • Diagnosis of camshaft timing deviation codes

Installing a new adjuster together with a new bolt guarantees proper torque specification and long-term timing stability.



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

94810505123KIT1
94810525400

The product you are viewing cross references to these numbers
Hex Head Bolt Camshaft Adjuster. Porsche 957 / 958 Cayenne V8 / 970 Panamera V8 / 970 Panamera V6 3.6ltr - 94810525400
2
Hex Head Bolt Camshaft Adjuster. Porsche 957 / 958 Cayenne V8 / 970 Panamera V8 / 970 Panamera V6 3.6ltr
Special Order item
94810525400
Product Information
Product Information

Porsche Camshaft Adjuster Bolt - M12 x 1,5 x 110

Precision Camshaft Timing Securing Bolt for Porsche Engines

The camshaft adjuster bolt (part number is a critical fastening component used in the variable camshaft timing system, this bolt secures the camshaft adjuster unit to the camshaft assembly.

Fits:

  • Porsche 957 Cayenne S / GTS 4.8L 2007-10
  • Porsche 957 Cayenne Turbo / Turbo S 4.8L 2007-10

957 Cayenne - From engine numbers
M905541
MG904965
M901689
MT901788
MS900562

  • Porsche 958 Cayenne S V8 4.8L Petrol (400Hp) 2010-17
  • Porsche 958 Cayenne S V8 4.2L Diesel (382Hp) 2010-17
  • Porsche 958 Cayenne GTS V8 4.8L Petrol (400Hp) 2010-17
  • Porsche 958 Cayenne Turbo V8 4.8L Petrol (500Hp) 2010-17
  • Porsche 958 Cayenne Turbo S V8 4.8L Petrol (550Hp) 2010-17
  • Porsche 970.1 Panamera V6 3.6L 2WD 2009-13
  • Porsche 970.1 Panamera 4 V6 3.6L 4WD 2009-13
  • Porsche 970.1 Panamera S V8 4.8L 2009-13
  • Porsche 970.1 Panamera 4S V8 4.8L 2009-13
  • Porsche 970.1 Panamera GTS V8 4.8L 2011-13
  • Porsche 970.1 Panamera Turbo V8 4.8L 2009-13
  • Porsche 970.1 Panamera Turbo S V8 4.8L 2009-13
  • Porsche 970.2 Panamera V6 3.6L 2WD (310Hp) 2014-16
  • Porsche 970.2 Panamera 4 V6 3.6L 4WD (310Hp) 2014-16
  • Porsche 970.2 Panamera GTS V8 4.8L 4WD (440Hp) 2014-16
  • Porsche 970.2 Panamera Turbo V8 4.8L (520Hp) 2014-16
  • Porsche 970.2 Panamera Turbo V8 Executive 2014-16
  • Porsche 970.2 Panamera Turbo S V8 4.8L 2014-16

Diagram ref no 10

It plays a vital role in maintaining correct valve timing and engine performance.

What the Camshaft Adjuster Bolt Does

The Porsche engines use a variable valve timing system, often referred to as VarioCam, to optimise engine efficiency, torque and power output across the rev range.

The camshaft adjuster:

  • Alters camshaft timing based on engine load and RPM
  • Improves low-end torque and high-end power
  • Enhances fuel efficiency
  • Reduces emissions
  • Maintains smooth engine operation

The camshaft adjuster bolt secures the timing adjuster mechanism firmly in place. Correct torque and clamping force are essential to ensure precise camshaft alignment and stable timing control.

Why Camshaft Adjuster Bolts Fail

Camshaft adjuster bolts are subject to:

  • High rotational forces
  • Continuous vibration
  • Heat cycling from engine operation
  • Torque stress during installation

In many cases, these bolts are torque-to-yield fasteners, meaning they are designed for single-use installation. Reusing an old bolt can result in reduced clamping force or improper seating.

Failure or incorrect installation can lead to:

  • Timing deviation fault codes
  • Rattling noises from the camshaft area
  • Poor engine performance
  • Check engine light illumination
  • Severe engine damage if timing shifts significantly

Why You May Need a Replacement Camshaft Adjuster Bolt

Whenever the camshaft adjuster, timing components or camshafts are removed, the securing bolt should be replaced to maintain correct torque specifications.

This camshaft adjuster bolt is essential during:

  • VarioCam repairs
  • Timing chain service
  • Camshaft replacement
  • Engine rebuilds
  • Cylinder head work
  • Fault code diagnosis relating to camshaft timing

Replacing the bolt ensures proper clamping force and protects the integrity of the Porsche timing system.



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

94810525400
94810525400

The product you are viewing cross references to these numbers
Primary Timing Chain. Porsche 958 Cayenne S 4.2L V8 Diesel - 95510516910, 958109229A
3
Primary Timing Chain. Porsche 958 Cayenne S 4.2L V8 Diesel
Special Order item
958109229A::1
Product Information
Product Information
Primary timing chain - connects the crankshaft to the two sprockets that drive the camshafts. 

Fits:
Porsche 958 Cayenne S Diesel 4.2L V8 2013-18

Diagram ref. 1.


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

958109229A
95510516910
958109229A

The product you are viewing cross references to these numbers
Timing Chain for Camshaft - Left. Porsche 957/958 Cayenne Diesel - Inc. 4.2L V8 2007-18 - 95510522910, 958109229C
3
Timing Chain for Camshaft - Left. Porsche 957/958 Cayenne Diesel - Inc. 4.2L V8 2007-18
Special Order item
958109229C
Product Information
Product Information
Timing chain for camshaft - left. 

Fits:
Porsche 957 Cayenne Diesel 3.0L V6 2007-11
Porsche 958 Cayenne Diesel 3.0L V6 - 2011 model year only*
Porsche 958 Cayenne S Diesel 4.2L V8 2013-18

Diagram ref. 34.

*NOTE: This timing chain is only compatible with first-year 958 Cayenne diesel V6 models featuring the engine code 059E. From 2012 onward, the diesel model adopted a different engine, making this chain unsuitable for later versions. If you are unsure, please do not hesitate to contact us with your vehicle's VIN number, and we'll be happy to confirm compatibility. 

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

958109229C
95510522910
958109229C

The product you are viewing cross references to these numbers
Timing Chain for Camshaft - Right. Porsche 957/958 Cayenne Diesel - Inc. 4.2L V8 2007-18 - 95510522900, 958109229B
3
Timing Chain for Camshaft - Right. Porsche 957/958 Cayenne Diesel - Inc. 4.2L V8 2007-18
Special Order item
958109229B
Product Information
Product Information
Timing chain for camshaft - right. 

Fits:
Porsche 957 Cayenne Diesel 3.0L V6 2007-11
Porsche 958 Cayenne Diesel 3.0L V6 - 2011 model year only*
Porsche 958 Cayenne S Diesel 4.2L V8 2013-18

Diagram ref. 33.

*NOTE: This timing chain is only compatible with first-year 958 Cayenne diesel V6 models featuring the engine code 059E. From 2012 onward, the diesel model adopted a different engine, making this chain unsuitable for later versions. If you are unsure, please do not hesitate to contact us with your vehicle's VIN number, and we'll be happy to confirm compatibility. 

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

958109229B
95510522900
958109229B

The product you are viewing cross references to these numbers
DISPLAYING 1 to 6 (of 6 products)
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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