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- Porsche 957 Cayenne 3.0L Diesel 2007-10
- Porsche 958 Cayenne V6 3.0L Diesel (245Hp) 2010-17
- Porsche 958 Cayenne S V8 4.2L Diesel (382Hp) 2010-17
The IWIS Timing Chain for Camshaft – Right is a replacement engine timing component designed for compatible Porsche applications. This chain operates on the right-hand side of the engine timing system, helping maintain the precise mechanical relationship required between the crankshaft and camshaft drive.
Fits:
- Porsche 957 Cayenne 3.0L Diesel 2007-10
- Porsche 958 Cayenne V6 3.0L Diesel (245Hp) 2011
- Porsche 958 Cayenne S V8 4.2L Diesel (382Hp) 2013-17
Diagram Ref No 33
Correct camshaft timing is essential for accurate valve operation, smooth combustion and reliable engine performance. As the engine runs, the timing chain operates continuously under load and depends on correct lubrication, tension and engagement with the associated sprockets and guides.
A worn, elongated or damaged timing chain can introduce excessive slack and timing deviation. If deterioration becomes severe enough for the chain to jump or fail, significant internal engine damage may result.
What This Product Does:
The camshaft timing chain forms part of the mechanical timing system that keeps the camshaft drive correctly synchronised with engine rotation.
The camshafts control the opening and closing of the engine's intake and exhaust valves. Their position must remain accurately coordinated with piston movement for the engine to operate correctly.
The right camshaft timing chain helps support:
- Correct camshaft drive
- Accurate valve timing
- Synchronisation of internal engine components
- Smooth and consistent engine operation
- Reliable combustion
- Correct engine performance
- Stable operation throughout the engine-speed range
Even relatively small deviations in timing can affect engine operation, making chain condition and correct tension important.
Symptoms Of Wear Or Failure:
Possible symptoms of timing-chain or associated timing-system deterioration include:
These symptoms do not automatically confirm that the chain itself is defective. Tensioners, guides, sprockets, variable camshaft timing components, lubrication problems and other engine faults can produce similar symptoms.
Why Replacement Matters:
The timing chain is a critical internal engine component.
Replacing a confirmed worn, elongated or damaged IWIS Right Camshaft Timing Chain can help:
- Restore accurate camshaft drive
- Maintain correct valve timing
- Reduce excessive chain slack
- Reduce abnormal timing-chain noise
- Restore reliable mechanical synchronisation
- 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
Ignoring a confirmed timing-chain problem can allow wear to progress until a considerably more expensive repair is required.
Related reference numbers
Related, superseded, cross reference or alternative numbers for comparison.
958109229B
The product you are viewing cross references to these numbers
- Porsche 911 1965-1968 2.0L / 912 SWB (F)
- Porsche 911 1968-1973 2.2L / 2.4L / 2.7L RS LWB (F)
- Porsche 911 1974-1977 2.7L / 1976-77 3.0 Carrera
- Porsche 911 1978-1983 3.0L / SC
- Porsche 911 1984-1986 3.2L
- Porsche 911 1987-1989 3.2L G50
- Porsche 911 1975-1977 3.0L Turbo (930)
- Porsche 911 1978-1989 3.3L Turbo (930)
- Porsche 964 (911) C2 1989-93
- Porsche 964 (911) C4 1989-93
- Porsche 964 (911) RS 3.6L 1991-93
- Porsche 964 (911) RS 3.8L 1991-93
- Porsche 964 (911) TURBO 3.3L 1991-93
- Porsche 964 (911) TURBO 3.6L 1991-93
Chain Type: Duplex,
Timing Chain Size: D67ZN
No. of chain links: 98
Fits:
Porsche 911 1965 - 1989
Porsche 964 1991 - 1993
TIP! If you detect a chain clap or rattling noise in the engine, your timing chain may be worn or stretched and needs replacing. Each car has two.
This OE Match camshaft timing chain is a replacement split-type timing chain for air-cooled Porsche 911 engines. It is designed to match the original-style fit and function, helping maintain correct camshaft timing and reliable valve train operation.
The camshaft timing chain links the crankshaft drive to the camshaft drive system, ensuring that the camshafts rotate in precise timing with the engine crankshaft. This correct timing allows the engine valves to open and close at the right moment for smooth running, correct combustion, and dependable engine performance.
Functions
• Drives the camshaft timing system
• Helps keep crankshaft and camshaft timing synchronised
• Supports correct valve opening and closing timing
• Helps maintain smooth engine running and performance
• Provides a split-type design for easier installation during service
• Replaces stretched, worn, noisy, or damaged timing chains
• OE Match replacement for engine rebuilds and timing chain repairs
Why Replace This Part?
Camshaft timing chains are subject to constant load, heat, oil exposure, and high-speed operation. Over time, the chain can stretch, wear, become noisy, or affect accurate cam timing. A worn timing chain may cause rattling noises, poor running, incorrect valve timing, or reduced engine performance. Replacing the chain during engine service or rebuild helps restore timing accuracy and long-term reliability.
When to Replace This Part
• The timing chain is stretched, worn, noisy, or damaged
• There is rattling from the cam chain housing area
• Camshaft timing is being reset or corrected
• The engine is being rebuilt or overhauled
• Chain ramps, sprockets, or tensioners are being replaced
• The timing chain covers or camshaft housings have been removed
• As preventative replacement during major engine service.
Where it fits on the car
This timing chain fits inside the engine timing chain housing, forming part of the camshaft drive system. It runs between the crankshaft-driven intermediate shaft sprocket and the camshaft sprocket assembly, depending on the engine layout.
Related reference numbers
Related, superseded, cross reference or alternative numbers for comparison.
91110552951
The product you are viewing cross references to these numbers
- Porsche 911 1965-1968 2.0L / 912 SWB (F)
- Porsche 911 1968-1973 2.2L / 2.4L / 2.7L RS LWB (F)
- Porsche 911 1974-1977 2.7L / 1976-77 3.0 Carrera
- Porsche 911 1978-1983 3.0L / SC
- Porsche 911 1984-1986 3.2L
- Porsche 911 1987-1989 3.2L G50
- Porsche 911 1975-1977 3.0L Turbo (930)
- Porsche 911 1978-1989 3.3L Turbo (930)
- Porsche 964 (911) C2 1989-93
- Porsche 964 (911) C4 1989-93
- Porsche 964 (911) RS 3.6L 1991-93
- Porsche 964 (911) RS 3.8L 1991-93
- Porsche 964 (911) TURBO 3.3L 1991-93
- Porsche 964 (911) TURBO 3.6L 1991-93
The OE Match Timing Chain Split Link is a precision-engineered replacement connecting link designed for Porsche timing chain systems. This small but essential component joins the ends of the timing chain, allowing secure installation and reliable operation of the engine's valve timing mechanism.
Fits:
- Porsche 911 1965-1968 2.0L / 912 SWB (F)
- Porsche 911 1968-1973 2.2L / 2.4L / 2.7L RS LWB (F)
- Porsche 911 1974-1977 2.7L / 1976-77 3.0 Carrera
- Porsche 911 1978-1983 3.0L / SC
- Porsche 911 1984-1986 3.2L
- Porsche 911 1987-1989 3.2L G50
- Porsche 911 1975-1977 3.0L Turbo (930)
- Porsche 911 1978-1989 3.3L Turbo (930)
- Porsche 964 (911) C2 1989-93
- Porsche 964 (911) C4 1989-93
- Porsche 964 (911) RS 3.6L 1991-93
- Porsche 964 (911) RS 3.8L 1991-93
- Porsche 964 (911) TURBO 3.3L 1991-93
- Porsche 964 (911) TURBO 3.6L 1991-93
Manufactured to OE specifications for strength, fit and durability, the split link is designed to withstand the constant loads, temperatures and operating conditions found within the timing chain assembly. It provides a secure connection that helps maintain accurate timing chain operation and overall engine reliability.
What This Product Does:
- Connects and secures the ends of the engine timing chain.
- Allows installation or repair of the timing chain assembly.
- Maintains continuous timing chain operation.
- Supports accurate camshaft and crankshaft synchronisation.
- Helps ensure precise valve timing throughout the engine's operating range.
- Contributes to smooth engine performance and reliability.
Symptoms Of Wear Or Failure:
- Timing chain noise or rattling.
- Excessive timing chain slack.
- Visible wear or damage to the link components.
- Accelerated timing chain wear.
- Inconsistent engine timing.
- Reduced engine performance.
- Difficulty maintaining proper chain tension.
- Potential timing chain failure in severe cases.
Why Replacement Matters:
- The timing chain system is one of the most critical components within the engine, controlling the relationship between the crankshaft and camshafts. Although small, the split link plays a vital role in maintaining the integrity of the entire timing chain assembly.
- Over time, wear, corrosion, fatigue or damage during servicing can compromise the strength of the split link. A weakened or damaged link may accelerate chain wear or increase the risk of timing chain failure. Because timing-related failures can result in significant engine damage and costly repairs, replacing worn timing chain components during maintenance or engine rebuilds is highly recommended.
Related reference numbers
Related, superseded, cross reference or alternative numbers for comparison.
911327339990
The product you are viewing cross references to these numbers
- Porsche 911 1984-1986 3.2L
- Porsche 911 1987-1989 3.2L G50
- Porsche 911 1978-1989 3.3L Turbo (930)
- Porsche 964 (911) TURBO 3.3L 1991-93
Fits Left or Right Side
Fits:
Porsche 911 1984-89 3.2L
Porsche 930 Turbo 1984-89
Porsche 964 Turbo 3.3L
Related reference numbers
Related, superseded, cross reference or alternative numbers for comparison.
93010505803
The product you are viewing cross references to these numbers