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Porsche // 992 (911) MK1 2019-2024 // 992.1 Carrera 4S / GTS Cabriolet 3.0L 2019-24
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Timing Chain. Porsche 958 Cayenne / 95B Macan / 970 Panamera - 958109229D
958109229D/3
Vehicle Group
- Porsche 958 Cayenne V6 3.0L Diesel (245Hp) 2010-17
- Porsche 970.1 Panamera Diesel V6 3.0L 2011-13
- Porsche 970.2 Panamera Diesel V6 3.0L (250Hp) 2014-16
- Porsche 95B.1 Macan S Diesel 3.0L V6 (258Bhp) 2014-18
Information
Timing Chain.
The IWIS Timing Chain is a replacement internal engine timing component for compatible Porsche applications. It forms part of the engine's mechanical timing drive, transmitting rotational movement between associated timing components and helping maintain the precise synchronisation required for reliable engine operation.
Fits:
Diagram Ref No 1
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958109229D
The product you are viewing cross references to these numbers
The IWIS Timing Chain is a replacement internal engine timing component for compatible Porsche applications. It forms part of the engine's mechanical timing drive, transmitting rotational movement between associated timing components and helping maintain the precise synchronisation required for reliable engine operation.
Fits:
- Porsche 958 Cayenne V6 3.0L Diesel (245Hp) 2010-17
- Porsche 970.1 Panamera Diesel V6 3.0L 2011-13
- Porsche 970.2 Panamera Diesel V6 3.0L (250Hp) 2014-16
- Porsche 95B.1 Macan S Diesel 3.0L V6 (258Bhp) 2014-18
Diagram Ref No 1
Timing chains operate continuously whenever the engine is running. Although engineered for durability and long service life, gradual wear can occur at the chain links, pins and contact surfaces. Wear may also develop in associated guides, tensioners and sprockets.
A worn, elongated or damaged timing chain can develop excessive slack, create abnormal mechanical noise and affect timing accuracy. If deterioration becomes severe enough for the chain to jump or fail, significant internal engine damage may result.
What This Product Does:
The timing chain transfers rotational movement through the engine's timing system while maintaining the required mechanical relationship between associated components.
Within the timing system, precise synchronisation is essential to ensure that internal engine components operate at the correct point in the combustion cycle.
The timing chain helps support:
- Accurate engine timing
- Reliable mechanical synchronisation
- Correct operation of associated timing components
- Consistent engine performance
- Smooth engine operation
- Stable combustion
- Reliable operation throughout the engine-speed range
The chain must remain correctly tensioned and properly engaged with its sprockets to maintain accurate timing.
Symptoms Of Wear Or Failure:
Possible symptoms of timing-chain or associated timing-system deterioration include:
These symptoms do not automatically mean the chain itself has failed. Similar problems can result from worn guides, defective tensioners, damaged sprockets, camshaft-control components or lubrication issues.
Why Replacement Matters:
The timing chain is a critical internal engine component.
Replacing a confirmed worn, elongated or damaged IWIS Timing Chain can help:
- Restore reliable timing-system operation
- Maintain accurate mechanical synchronisation
- Reduce excessive chain slack
- Reduce abnormal timing-chain noise
- Restore reliable chain engagement
- Protect associated guides and sprockets
- Reduce the risk of timing deviation
- Reduce the risk of the chain jumping
- Support smooth engine operation
- Protect expensive internal engine components
Once excessive timing-chain wear has been confirmed, continued operation can increase the possibility of more serious and expensive engine damage.
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958109229D
95810516911
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Price: £180.00
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Information
Timing chain guide - side.
Sold individually; x2 required per engine.
Fits:
*NOTE: This guide is only compatible with the 992-2 Carrera 3.0L. It is not suitable for hybrid models, including the GTS, which features Porsche's E-Turbo technology. A different guide is required for these models.
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*NOTE: This guide is only compatible with the 992-2 Carrera 3.0L. It is not suitable for hybrid models, including the GTS, which features Porsche's E-Turbo technology. A different guide is required for these models.
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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.
Diagram Ref No 4
What This Product Does:
When You Should Consider Replacement:
Why Replacement Matters:
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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.
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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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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.
Fits:
When You Should Consider Replacement:
Why Replacement Matters:
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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.
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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.
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Price: £47.11
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Information
Timing Chain Slide Rail.
This genuine OEM slide/guide rail is a critical component of the timing chain drive system for select Porsche models 911 991.2, 992.1, 992.2, 718 Boxster/Cayman 982. It ensures the timing chain tracks correctly, maintains proper tension, and prevents chain deflection or wear. Ideal when servicing the timing chain system or responding to noise/chain wear symptoms.
Sold Each.
x2 Required Per Car.
Fits:
Diagram Ref No 5
What This Product Does:
When You Should Consider Replacement:
Why Replacement Matters:
Related reference numbers
Related, superseded, cross reference or alternative numbers for comparison.
0PB109513B
The product you are viewing cross references to these numbers
This genuine OEM slide/guide rail is a critical component of the timing chain drive system for select Porsche models 911 991.2, 992.1, 992.2, 718 Boxster/Cayman 982. It ensures the timing chain tracks correctly, maintains proper tension, and prevents chain deflection or wear. Ideal when servicing the timing chain system or responding to noise/chain wear symptoms.
Sold Each.
x2 Required Per Car.
Fits:
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Diagram Ref No 5
What This Product Does:
- In a timing‐chain drive system (crankshaft → intermediate shaft → camshafts), there are guides/rails that the chain runs on. These guides keep the chain aligned, reduce vibration or deflection, and support tensioners in maintaining correct chain tension.
- The slide rail is one of these guiding components — it provides a smooth surface and correct route for the chain, and helps ensure the chain remains properly engaged with sprockets and tensioners.
- If the slide rail is worn, cracked or damaged, the chain may run with slack, contact adjacent components, produce noise, or even skip/skip-tooth under stress — which affects timing and can lead to engine damage.
When You Should Consider Replacement:
- You are already servicing the timing chain system (timing cover off, chain/guide/tensioner replacement) — since access is already required, replacing the guide rail is cost‐effective and prevents future access.
- You hear rattling or a clattering noise from the front of the engine (timing cover area) on cold start or idle, which can indicate chain deflection or guide wear.
- You have diagnostic codes relating to camshaft or intermediate shaft timing variations — a damaged or worn guide can cause chain timing to vary.
- Visual inspection (if cover removed) shows the guide rail is cracked, has excessive wear, gouges, or the chain has worn a groove in the rail.
- The vehicle has high mileage and the engine is performance-oriented — these guides can be wearing items and proactively replacing them improves long-term reliability.
Why Replacement Matters:
- Maintain timing accuracy & reliability: If the chain runs on a compromised guide, chain slack or mis-tracking can occur — which leads to timing drift, loss of power, or in worst cases, engine damage.
- Eliminate noise and improve smoothness: Worn guides allow chain slap, noise during engine operation, or rougher operation — replacing the slide rail restores proper chain path and quietness.
- Prevent escalated failure: A damaged guide could allow the chain to skip or jump, which on high-performance Porsche engines can mean valve-to-piston interaction and major damage.
- Efficient service: Since replacing a guide rail often requires similar labour as chain/tensioner replacement, doing it while the engine is opened saves future labour and increases reliability.
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Related, superseded, cross reference or alternative numbers for comparison.
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Price: £36.96
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