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Porsche > 992 (911) MK1 2019-2024 > 992.1 Carrera 2 Cabriolet 3.0L 2019-24 > Engine Rebuild Parts > Chains & Tensioners >

Timing Chain Guide Rail. Porsche 955 / 957 / 958 Cayenne 2004-17 ❭ 95510551400

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OE Match

95510551400/1

Product Information

Timing Chain Guide Rail.
The OE MATCH Timing Chain Guide Rail is a engine timing component designed to guide and support the timing chain on compatible Porsche engines. This precision-engineered guide rail maintains the correct timing chain path while working alongside the timing chain tensioner to minimise chain movement, reduce vibration and ensure precise valve timing throughout the engine's operating range.

Fits:

Porsche 955 Cayenne 3.2L V6 2003-06
Porsche 957 Cayenne 3.6L 2007-10
Porsche 958 Cayenne V6 3.6L Petrol (300Hp) 2010-17

Diagram Ref No 19

The guide rail is engineered to withstand continuous contact with the timing chain, constant engine oil lubrication, elevated operating temperatures and repeated thermal cycling. Precision to OE dimensions, it provides replacement fitment and dependable long-term performance, making it ideal during timing chain replacement, engine overhauls or preventative maintenance.

What This Product Does:

Guides the timing chain along its correct operating path.
Maintains accurate timing chain alignment.
Works with the chain tensioner to control chain movement.
Reduces timing chain vibration and operating noise.
Minimises wear on the timing chain and sprockets.
Supports precise camshaft and crankshaft timing.
Forms an essential part of the engine timing assembly.

Symptoms Of Wear Or Failure:

Rattling or ticking noises from the timing chain area, particularly during cold starts.
Increased timing chain noise while driving.
Engine management or check engine warning light.
Timing-related fault codes.
Rough idle or reduced engine performance.
Visible wear grooves, cracks or missing material on the guide rail.
Excessive timing chain slack.
Accelerated wear of the timing chain or tensioner.
Plastic guide fragments found in the engine oil or oil sump.
Severe engine damage if the timing chain loses correct alignment or jumps timing.

Why Replacement Matters:

The timing chain guide rail is subjected to continuous friction from the timing chain while operating under high engine speeds, hot engine oil and repeated heat cycles. Over time, the guide surface naturally wears, and the composite material can become brittle, crack or break, reducing its ability to correctly support the timing chain.
A worn or damaged guide rail can allow excessive timing chain movement, increasing engine noise and accelerating wear of the chain, sprockets and tensioner. If left unresolved, severe guide wear may allow the timing chain to skip teeth, resulting in incorrect valve timing and potentially catastrophic internal engine damage.

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

95510551400

95510551400

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Timing Chain Tensioner. Porsche 982 Boxster / Cayman / 991.2 / 992.1 2017>>

0PB109507G

Product Information

Timing Chain Tensioner.
Ensure your Porsche’s timing chain drive remains correctly tensioned with this genuine OEM tensioner. Suitable for Porsche 911 991.2 / 992.1 and 982 Boxster/Cayman models, this critical component maintains chain tension from crank to cam or cam to cam, preventing slack, noise and timing errors.
Sold Each.
x2 Required Per Car.

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Diagram Ref No 4

What This Product Does:

The timing chain tensioner is a hydraulic (typically oil-fed) or spring-loaded device that takes up slack in the timing chain drive system. Without correct tension, the chain can “slap”, skip a tooth, or jump, which can cause serious engine timing errors.
In an engine like the Porsche performance flat-six, accurate timing is critical. The tensioner ensures the chain remains properly seated against the guides/rails and avoids noise, mis-timing, or eventual failure.
Because modern Porsche engines often use duplex chains, intermediate shafts and high rev operation, a precise tensioner is essential for durability, reliability and performance.

When You Should Consider Replacement:

You hear rattling, clattering or ticking noises from the timing‐cover area on startup or idle — a classic symptom of a loose timing chain.
Your car triggers engine fault codes related to camshaft timing, crankshaft–cam correlation, or variable valve timing errors, indicating possible timing chain slack or timing drive issues.
You are doing major engine work (e.g., timing cover removal, chain/guide replacement) — since the tensioner is integral to the timing chain system, it’s prudent to replace it at the same time for full reliability.
The engine has high mileage or service history, and you want to pre-emptively safeguard the chain drive.
On visual inspection (if accessible) you find slack in the timing chain, worn guides/rails, or old/deteriorated tensioner components.

Why Replacement Matters:

Engine protection: A faulty tensioner can allow the timing chain to jump or skip, which risks piston-to-valve contact, major engine damage, and costly repairs.
Maintains precise timing & performance: Correct chain tension ensures accurate valve timing, smooth idle, full power delivery and reliability.
Eliminates noise & improves reliability: Replacing a worn tensioner removes chain-slap noise and helps prevent future failure.
Cost efficient when engine access is open: Since accessing the tensioner and chain drive requires substantial labour, replacing the tensioner while you’re already there avoids further job later.

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0PB109507G

0PB109507

0PB109507B

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Tensioner Blade. Porsche 982 Boxster / Cayman / Spyder / GT4 / 991.2 / 992.1 / 992.2 2017>>

0PB109509B

Product Information

Tensioner Blade.
Ensure your Porsche’s timing chain drives remain secure and precisely guided with this genuine OEM tensioner blade. Used in the timing drive system of models like the 911 991.2 / 992.1 / 992.2 or 718 Boxster/Cayman, this blade plays a crucial role in guiding the timing chain and maintaining correct tracking and tension. Ideal when replacing timing chains, guides or tensioner assemblies.
Sold Each.
x2 Required Per Car.

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Diagram Ref No 8

What This Product Does:

The “tensioner blade” refers to a guide or support element in the timing chain system that helps apply correct pressure or alignment on the chain, often in combination with a chain tensioner or guide rail.
When the timing chain runs between the crankshaft and camshafts (or intermediate shafts) it needs not only the chain and tensioner, but also supporting blades/rails/arms to manage movement, reduce slack and keep the chain tracking correctly.
The tensioner blade part is one of the curated OEM components that helps ensure accurate timing drive by maintaining chain-contact, reducing vibration, guiding the chain — thereby supporting long-term durability and correct engine timing.

When You Should Consider Replacement:

The timing chain system is being serviced (e.g., chain/guide/tensioner replacement) — as the blade is likely exposed or used in that service path.
There are timing-related issues: rattling or clattering from the timing cover area, especially on cold start or idle — which can indicate slack or improper chain tracking.
Diagnostic trouble codes (DTCs) related to camshaft/chain timing errors — because a damaged or worn blade may allow chain deflection or mistracking.
Visual inspection (if accessible) reveals the blade or guide is worn, cracked, missing, or otherwise compromised.
High mileage or extended service intervals — the supporting components around the chain wear, and a worn blade can expedite chain wear or guide rail wear.

Why Replacement Matters:

Maintains engine timing integrity: If the blade that guides or supports the chain is compromised, the chain may skip, jump or wear prematurely — leading to timing errors and potential engine damage.
Reduces noise & prolongs component life: Components like the tensioner blade help damp chain vibration and keep tensioners/rails from excessive wear. Replacing it helps preserve the chain drive system.
Cost-effective preventive repair: When you already have access to the timing system (front cover off, chain out) replacing components such as the blade prevents future labour for incremental failures.

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

0PB109509B

9A210512501

0PB109509

0PB109509B

The product you are viewing cross references to these numbers

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Timing Chain Guide Rail. Porsche 955 / 957 / 958 Cayenne 2004-17 ❭ 95510551400