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Chain adjuster. Porsche 987.1 Boxster / 987C.1 Cayman / 997.1 Carrera / 996 Carrera ❭ 99610518802
- Porsche Boxster 987 2.7L 2005-08/08
- Porsche Boxster 987 S 3.2/3.4L 2005-08/08
- Porsche 996 C2 3.4L 1997-08/01
- Porsche 996 C4 3.4L 1997-08/01
- Porsche 996 C2 3.6L 09/01-2005
- Porsche 996 C4 3.6L 09/01-2005
- Porsche 996 C4S 3.6L 09/01-2005
- Porsche 997 MK1 Carrera 2 3.6L 2005-08
- Porsche 997 MK1 Carrera 2S 3.8L 2005-08
- Porsche 997 MK1 Carrera 4 3.6L 2005-08
- Porsche 997 MK1 Carrera 4S 3.8L 2005-08
- Porsche Cayman 2.7L 987C 2006-08
- Porsche Cayman S 3.4L 987C 2005-08
This chain adjuster is an OE Match high-quality replacement component engineered for Porsche water-cooled flat-six engines. Installed within the timing chain system, this hydraulic adjuster ensures the timing chain remains correctly tensioned against the camshaft and crankshaft gears.
Fits:
Porsche 987.1 Boxster 2005 - 2008
Porsche 987C.1 Cayman 2005 - 2008
Porsche 997.1 Carrera 2005 - 2008
Porsche 996 Carrera 1998 - 2004
Diagram ref no 34
Designed to meet original Porsche specifications, this unit plays a critical role in maintaining precise valve timing and smooth engine operation. It is commonly fitted on the upper right side of the engine and works in conjunction with guide rails and seals to stabilise chain movement.
By preventing slack in the timing chain, the adjuster helps avoid irregular engine timing, excessive wear, and potential internal engine damage.
This chain adjuster uses hydraulic pressure to maintain consistent tension on the engine’s timing chain. It compensates for chain stretch and wear over time, ensuring the camshafts rotate in perfect synchronisation with the crankshaft.
Function
• Maintains correct timing chain tension during engine operation
• Prevents chain slack and misalignment
• Ensures accurate camshaft timing and engine performance
• Reduces engine noise, particularly during cold starts
• Protects against timing chain slip or jump, which can cause severe engine damage
A worn or failing chain adjuster can allow slack in the timing chain, leading to incorrect valve timing and potential engine damage. In severe cases, the chain can skip teeth, resulting in catastrophic internal failure. Replacing the adjuster ensures proper chain control, protects engine components, and restores smooth, quiet operation.
When to replace
• Rattling or chain noise on cold start
• Engine timing issues or misfire symptoms
• During timing chain or engine rebuild
• High mileage engines with original tensioners
• Evidence of oil leakage or reduced hydraulic pressure
Related reference numbers
Related, superseded, cross reference or alternative numbers for comparison.
99610518802
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 .
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
To be used with Part Code: 91110552951 OR 91110552951/1
Need when fitting split timing chains. Each car has two.
Fits:
Porsche 911 1965 - 1989
Porsche 964 1990 - 1994
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 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)
Fits:
Porsche 911 1966-89
Related reference numbers
Related, superseded, cross reference or alternative numbers for comparison.
91110522205
The product you are viewing cross references to these numbers
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