Chains & Tensioners

Engine timing chain tensioner.



Fits:
Porsche 958 Cayenne Hybrid 3.0L 2010-18
Porsche 970 Panamera Hybrid 3.0L 2011-16

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Diagram ref no 13

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PAC109507

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Engine timing chain tensioner.



Fits:
Porsche 970 Panamera 3.6L 2010-16

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Diagram ref no 17

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94610725801

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Bolt for Timing chain guide rail, M7 x 36.
sold each.



Fits:
Porsche 958 Cayenne 3.0L Hybrid 2011-18
Porsche 970 Panamera 3.0L Hybrid 2011-16

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Diagram ref no 12

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N91129001

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Guide rail timing chain.



Fits:
Porsche 957 Cayenne 4.8L 2007-10
Porsche 958 Cayenne 4.8L 2011-18
Porsche 970 Panamera 4.8L 2010-16

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Diagram ref no 12

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94810506812

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Guide rail timing chain.

#

Fits:
Porsche 957 Cayenne V8 4.8L 2007-10
Porsche 958 Cayenne V8 4.8L 2011-18
Porsche 958 Cayenne V6 3.6L 2011-18
Porsche 970 Panamera V8 4.8L 2010-16
Porsche 970 Panamera V6 3.6L 2010-16
Porsche 95B Mk1 Macan V6 3.0L
Porsche 95B Mk1 Macan V6 3.6L

Diagram ref no 13

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94810506511

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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.

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94810525400

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Oil Pump Drive Chain.
The Genuine Porsche Oil Pump Drive Chain 94810725212 is a critical internal engine component designed to transfer mechanical drive to the oil pump on compatible Porsche applications.

Fits:

• Porsche 957 Cayenne S / GTS 4.8L 2007-10
• Porsche 957 Cayenne Turbo / Turbo S 4.8L 2007-10
• Porsche 958 Cayenne S V8 4.8L Petrol (400Hp) 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 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 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 15

The engine oil pump must operate continuously while the engine is running to circulate lubricant to bearings, rotating assemblies, timing components and other internal surfaces. The oil pump drive chain provides the mechanical connection required to operate the pump reliably.

Excessive chain wear, elongation or damage can compromise the oil pump drive and, in severe cases, contribute to loss of lubrication. Because inadequate oil circulation can rapidly cause expensive internal engine damage, a worn or damaged oil pump drive chain should be addressed promptly.

What This Product Does:
The oil pump drive chain transfers rotational movement from the engine's mechanical drive system to the oil pump.

The oil pump then circulates engine oil through the lubrication system to critical internal components.

The chain therefore helps support:

• Reliable operation of the engine oil pump
• Continuous engine oil circulation
• Correct lubrication of internal components
• Protection of bearings and rotating assemblies
• Lubrication of timing and valvetrain components
• Reduction of friction and mechanical wear
• Reliable long-term engine operation

The chain itself does not generate oil pressure. Instead, it provides the mechanical drive required for the oil pump to function.

Symptoms Of Wear Or Failure:
Oil pump drive chains are designed for extended service life, but wear can develop due to mileage, lubrication problems, contamination or deterioration of associated components.

Possible symptoms include:

• Rattling from the chain or drive area
• Metallic clattering or chain noise
• Excessive chain slack
• Chain elongation
• Visible chain wear during inspection
• Abnormal sprocket wear
• Low oil-pressure warning
• Oil-pressure related faults
• Abnormal engine noise associated with inadequate lubrication
• Metal particles or debris in the engine oil or filter

Some oil pump drive chain problems may provide little warning before becoming serious, so any confirmed abnormal wear should be investigated promptly.

Why Replacement Matters:
The oil pump drive chain performs a fundamental role in the engine lubrication system.

Replacing a confirmed worn or damaged Porsche Oil Pump Drive Chain 94810725212 can help:

• Restore reliable mechanical drive to the oil pump
• Maintain dependable engine oil circulation
• Reduce excessive chain movement
• Correct confirmed chain elongation
• Protect associated sprockets and drive components
• Support correct engine lubrication
• Reduce the risk of oil pump drive failure
• Help protect expensive internal engine components

Because lubrication is essential whenever the engine is running, deterioration of the oil pump drive should not be ignored.

Related reference numbers
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94810725212

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Oil Pump Drive Chain.
The IWIS Oil Pump Drive Chain is a replacement internal engine drive chain for compatible Porsche applications. It forms an important part of the engine lubrication system by transmitting mechanical drive to the oil pump, allowing the pump to circulate lubricating oil throughout the engine while it is running.

Fits:

• Porsche 957 Cayenne S / GTS 4.8L 2007-10
• Porsche 957 Cayenne Turbo / Turbo S 4.8L 2007-10
• Porsche 958 Cayenne S V8 4.8L Petrol (400Hp) 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 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 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 15

The engine oil pump must operate continuously while the engine is running to circulate lubricant to bearings, rotating assemblies, timing components and other internal surfaces. The oil pump drive chain provides the mechanical connection required to operate the pump reliably.

Excessive chain wear, elongation or damage can compromise the oil pump drive and, in severe cases, contribute to loss of lubrication. Because inadequate oil circulation can rapidly cause expensive internal engine damage, a worn or damaged oil pump drive chain should be addressed promptly.

What This Product Does:
The oil pump drive chain transfers rotational movement from the engine's mechanical drive system to the oil pump.

The oil pump then circulates engine oil through the lubrication system to critical internal components.

The chain therefore helps support:

• Reliable operation of the engine oil pump
• Continuous engine oil circulation
• Correct lubrication of internal components
• Protection of bearings and rotating assemblies
• Lubrication of timing and valvetrain components
• Reduction of friction and mechanical wear
• Reliable long-term engine operation

The chain itself does not generate oil pressure. Instead, it provides the mechanical drive required for the oil pump to function.

Symptoms Of Wear Or Failure:
Oil pump drive chains are designed for extended service life, but wear can develop due to mileage, lubrication problems, contamination or deterioration of associated components.

Possible symptoms include:

• Rattling from the chain or drive area
• Metallic clattering or chain noise
• Excessive chain slack
• Chain elongation
• Visible chain wear during inspection
• Abnormal sprocket wear
• Low oil-pressure warning
• Oil-pressure related faults
• Abnormal engine noise associated with inadequate lubrication
• Metal particles or debris in the engine oil or filter

Some oil pump drive chain problems may provide little warning before becoming serious, so any confirmed abnormal wear should be investigated promptly.

Why Replacement Matters:
The oil pump drive chain performs a fundamental role in the engine lubrication system.

Replacing a confirmed worn or damaged Oil Pump Drive Chain can help:

• Restore reliable mechanical drive to the oil pump
• Maintain dependable engine oil circulation
• Reduce excessive chain movement
• Correct confirmed chain elongation
• Protect associated sprockets and drive components
• Support correct engine lubrication
• Reduce the risk of oil pump drive failure
• Help protect expensive internal engine components

Because lubrication is essential whenever the engine is running, deterioration of the oil pump drive should not be ignored.

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

94810725212

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Timing chain adjuster.



Fits:
Porsche 958 Cayenne 3.0L DIESEL 2014-18
Porsche 95B Macan V6 TDI 3.0L 2014-18
Porsche 970 Panamera 3.0L DIESEL 2011-16

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Diagram ref no 11

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95810546713

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Timing chain adjuster.



Fits:
Porsche 958 Cayenne 3.0L DIESEL 20112-18
Porsche 95B Macan V6 TDI 3.0L 2014-18
Porsche 970 Panamera 3.0L DIESEL 2012-16

Click 'Zoom in' for large parts diagram.
Diagram ref no 20

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95810550723

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Timing chain centre lower.

Fits:
Porsche 970 Panamera 3.0L HYBRID 2011-16
Porsche 958 Cayenne 3.0L HYBRID 2010-18 

Diagram ref no 28

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958109465A

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Timing Chain Centre Lower.
The IWIS Timing Chain Centre Lower is a replacement internal engine timing component for compatible Porsche applications. Positioned within the centre lower section of the engine timing system, this chain transfers rotational drive between associated timing components and helps maintain the precise mechanical synchronisation required for correct engine operation.

Fits:

• Porsche 958 Cayenne S V6 3.0L Hybrid (380Hp) 2010-17
• Porsche 970.1 Panamera S Hybrid V6 3.0L 2011-13
• Porsche 970.2 Panamera S E-Hybrid V6 3.0L (416Hp) 2014-16  

Diagram Ref No 28

Timing chains operate continuously whenever the engine is running and are exposed to repeated mechanical loads, high temperatures and constant movement. Although engineered for long service life, gradual wear can occur within the chain and its associated guides, tensioners and sprockets.

A worn, elongated or damaged centre lower timing chain can develop excessive slack, create abnormal mechanical noise and affect timing-system operation. Severe deterioration can increase the risk of the chain jumping, derailing or failing, potentially resulting in significant internal engine damage.

What This Product Does:
The centre lower timing chain forms part of the engine's mechanical timing drive.

Its purpose is to transmit rotational movement between associated timing-system components while maintaining the required relationship between them.

The chain helps support:

• Accurate operation of the engine timing system
• Reliable transfer of rotational drive
• Correct mechanical synchronisation
• Stable engine operation
• Consistent timing throughout the engine-speed range
• Reliable operation of associated timing components

Correct chain tension, lubrication and sprocket engagement are essential for dependable operation.

Symptoms Of Wear Or Failure:
Possible symptoms of timing-chain or associated timing-system deterioration include:

• Metallic rattling from the timing area
• Clattering or chain-related mechanical noise
• Rattle during cold start
• Excessive chain slack
• Timing-chain elongation
• Noise at idle
• Noise that changes with engine speed
• Rough or irregular engine operation
• Unstable idleDifficult starting
  
• Reduced engine performance
• Engine warning light
• Timing-related diagnostic fault codes
• Crankshaft/camshaft correlation faults where applicable
• Visible chain wear during inspection
• Worn or broken chain guides
• Abnormal sprocket wear
• Metal or plastic debris in the engine oil or filter

These symptoms can also result from other timing-system or internal engine components, so correct diagnosis is important.

Why Replacement Matters:
The centre lower timing chain is an important internal engine component.

Replacing a confirmed worn, elongated or damaged IWIS Timing Chain Centre Lower can help:

• Restore reliable timing-system operation
• Maintain accurate mechanical synchronisation
• Reduce excessive chain slack
• Reduce abnormal timing-chain noise
• Restore dependable sprocket engagement
• Protect associated guides and sprockets
• Reduce the risk of timing deviation
• Reduce the risk of chain derailment
• Reduce the risk of the chain jumping
• Support smooth engine operation
• Protect expensive internal engine components

Continued operation with a confirmed timing-chain problem can allow deterioration to progress and significantly increase repair costs.

Related reference numbers
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958109465A

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Timing chain guide rail.
Located at the front of each cylinder head in between the camshafts.
Priced Each.

Fits:
Porsche 957 Cayenne S / GTS / Turbo 2008-10
Porsche 958 Cayenne S / GTS / Turbo 2011-14
Porsche 958 Cayenne V8 Turbo / Turbo S / bi-Turbo GTS 2015-18
Porsche 970 Panamera / S / GTS / Turbo 2010-16
Porsche 95B Macan S / GTS / Turbo 2014-18

Diagram ref no 9

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94810516613

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Timing Chain Guide Rail. 
The Genuine Porsche Timing Chain Guide Rail is an original equipment engine timing component designed to guide and support the timing chain as it travels through the engine. Manufactured to Porsche's exact specifications for fit, strength and durability, this guide rail plays a critical role in maintaining correct timing chain alignment and ensuring precise valve timing.

Fits:  

• Porsche 958 Cayenne V6 3.6L Petrol (300Hp) 2010-17
• Porsche 970.1 Panamera V6 3.6L 2WD 2009-13
• Porsche 970.1 Panamera 4 V6 3.6L 4WD 2009-13
• Porsche 970.2 Panamera V6 3.6L 2WD (310Hp) 2014-16
• Porsche 970.2 Panamera 4 V6 3.6L 4WD (310Hp) 2014-16
• Porsche 970.2 Panamera S V6 Turbo 3.0L 2WD (420Hp) 2014-16
• Porsche 970.2 Panamera S V6 Turbo 3.0L 2WD Executive 2014-16
• Porsche 970.2 Panamera 4S V6 Turbo 3.0L 4WD (420Hp) 2014-16
• Porsche 970.2 Panamera 4S V6 Turbo 3.0L 4WD Executive 2014-16
• Porsche 95B.1 Macan S Petrol 3.0L V6 (340Bhp) 2014-18
• Porsche 95B.1 Macan GTS Petrol 3.0L V6 (360Bhp) 2014-18
• Porsche 95B.1 Macan Turbo 3.6L V6 (400Bhp) 2014-18  

Diagram Ref No 11

Constructed from high-strength materials with wear-resistant contact surfaces, the guide rail works alongside the timing chain and chain tensioner to minimise chain movement, reduce vibration and maintain accurate synchronisation between the crankshaft and camshafts. Genuine Porsche components provide factory-correct fitment and long-term reliability for optimum engine performance.  ~

What This Product Does:

• Guides and supports the timing chain during operation.
• Maintains correct timing chain alignment.
• Helps ensure accurate valve timing.
• Works with the timing chain tensioner to control chain movement.
• Reduces timing chain vibration and noise.
• Minimises wear on timing system components.
• Supports smooth and reliable engine operation.
• Contributes to long-term engine durability.

Symptoms Of Wear Or Failure:

• Rattling noises from the timing chain area, particularly during start-up.
• Increased engine timing chain noise.
• Timing chain slack or excessive movement.
• Engine management warning lights.
• Timing-related fault codes.
• Rough engine running or poor performance.
• Misfires caused by timing irregularities.
• Visible wear, cracking or breakage of the guide rail during inspection.
• Potential timing chain damage in severe cases.

Why Replacement Matters:

• Timing chain guide rails are continuously exposed to friction, engine vibration, temperature fluctuations and constant contact with the timing chain. Over time, the guide surface can wear, crack or become brittle, reducing its ability to support and control chain movement effectively.
• A worn guide rail can allow excessive timing chain movement, increasing the risk of chain noise, inaccurate valve timing and accelerated wear of other timing system components. In severe cases, guide rail failure can contribute to timing chain misalignment or damage, potentially resulting in serious engine damage and costly repairs.
• Replacing a worn timing chain guide rail restores proper chain control, helps maintain accurate engine timing and protects critical timing system components from premature wear. Genuine Porsche replacement parts ensure factory-correct fitment, exceptional durability and reliable long-term performance, helping preserve the efficiency, reliability and longevity of your Porsche engine.

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

94610506801

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Timing Chain Guide Rail. 
The OE MATCH Timing Chain Guide Rail is an original equipment engine timing component designed to guide and support the timing chain as it travels through the engine. This guide rail plays a critical role in maintaining correct timing chain alignment and ensuring precise valve timing.

Fits:  

• Porsche 958 Cayenne V6 3.6L Petrol (300Hp) 2010-17
• Porsche 970.1 Panamera V6 3.6L 2WD 2009-13
• Porsche 970.1 Panamera 4 V6 3.6L 4WD 2009-13
• Porsche 970.2 Panamera V6 3.6L 2WD (310Hp) 2014-16
• Porsche 970.2 Panamera 4 V6 3.6L 4WD (310Hp) 2014-16
• Porsche 970.2 Panamera S V6 Turbo 3.0L 2WD (420Hp) 2014-16
• Porsche 970.2 Panamera S V6 Turbo 3.0L 2WD Executive 2014-16
• Porsche 970.2 Panamera 4S V6 Turbo 3.0L 4WD (420Hp) 2014-16
• Porsche 970.2 Panamera 4S V6 Turbo 3.0L 4WD Executive 2014-16
• Porsche 95B.1 Macan S Petrol 3.0L V6 (340Bhp) 2014-18
• Porsche 95B.1 Macan GTS Petrol 3.0L V6 (360Bhp) 2014-18
• Porsche 95B.1 Macan Turbo 3.6L V6 (400Bhp) 2014-18  

Diagram Ref No 11

Constructed from high-strength materials with wear-resistant contact surfaces, the guide rail works alongside the timing chain and chain tensioner to minimise chain movement, reduce vibration and maintain accurate synchronisation between the crankshaft and camshafts. 

What This Product Does:

• Guides and supports the timing chain during operation.
• Maintains correct timing chain alignment.
• Helps ensure accurate valve timing.
• Works with the timing chain tensioner to control chain movement.
• Reduces timing chain vibration and noise.
• Minimises wear on timing system components.
• Supports smooth and reliable engine operation.
• Contributes to long-term engine durability.

Symptoms Of Wear Or Failure:

• Rattling noises from the timing chain area, particularly during start-up.
• Increased engine timing chain noise.
• Timing chain slack or excessive movement.
• Engine management warning lights.
• Timing-related fault codes.
• Rough engine running or poor performance.
• Misfires caused by timing irregularities.
• Visible wear, cracking or breakage of the guide rail during inspection.
• Potential timing chain damage in severe cases.

Why Replacement Matters:

• Timing chain guide rails are continuously exposed to friction, engine vibration, temperature fluctuations and constant contact with the timing chain. Over time, the guide surface can wear, crack or become brittle, reducing its ability to support and control chain movement effectively.
• A worn guide rail can allow excessive timing chain movement, increasing the risk of chain noise, inaccurate valve timing and accelerated wear of other timing system components. In severe cases, guide rail failure can contribute to timing chain misalignment or damage, potentially resulting in serious engine damage and costly repairs.
• Replacing a worn timing chain guide rail restores proper chain control, helps maintain accurate engine timing and protects critical timing system components from premature wear.

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

94610506801

The product you are viewing cross references to these numbers

Timing chain guide rail.



Fits:
Porsche 958 Cayenne 3.0L DIESEL 20112-18
Porsche 95B Macan V6 TDI 3.0L 2014-18
Porsche 970 Panamera 3.0L DIESEL 2012-16

Click 'Zoom in' for large parts diagram.
Diagram ref no 2

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95810506500

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