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Camshaft chain sprocket. Porsche 911 1965-89 - 90110505500
90110505500/1
Vehicle Group
- 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)
Information
Camshaft chain sprocket.
Camshaft timing chain sprocket engages with the timing chain to drive the camshaft at the correct speed relative to the crankshaft. It is precisely manufactured to replicate the original sprocket’s profile, tooth count, and material properties so that it performs and fits like the genuine factory part.
Fits:
Porsche 911 1965 - 1989
Diagram ref no 6.
The camshaft chain sprocket works in conjunction with the timing chain and crankshaft sprocket to ensure the camshaft and crankshaft remain correctly synchronised. This synchronisation is crucial for precise valve timing - determining when intake and exhaust valves open and close relative to piston position. Proper timing is essential for efficient combustion, smooth engine performance, and long-term reliability.
The timing chain system is one of the most critical mechanical systems in an internal combustion engine. The sprockets that guide and drive the chain can wear or suffer surface fatigue, which may lead to:
• Timing chain slack or noise
• Inaccurate valve timing
• Engine roughness or power loss
• Increased wear on tensioners and guides.
Worn sprocket teeth can accelerate chain wear and compromise the whole timing train. Replacing the camshaft sprocket restores optimal fit, timing accuracy, and helps protect associated timing components - especially vital on high-mileage or restored classic engines.
Replace the camshaft chain sprocket if you notice:
• Noticeable timing chain noise (rattle at start or idle)
• Timing chain slack or visible elongation
• During full timing chain/tensioner overhaul
• Wear or damage on original sprocket teeth
• Engine running irregularly or rough at idle
Related reference numbers
Related, superseded, cross reference or alternative numbers for comparison.
90110505500
The product you are viewing cross references to these numbers
Camshaft timing chain sprocket engages with the timing chain to drive the camshaft at the correct speed relative to the crankshaft. It is precisely manufactured to replicate the original sprocket’s profile, tooth count, and material properties so that it performs and fits like the genuine factory part.
Fits:
Porsche 911 1965 - 1989
Diagram ref no 6.
The camshaft chain sprocket works in conjunction with the timing chain and crankshaft sprocket to ensure the camshaft and crankshaft remain correctly synchronised. This synchronisation is crucial for precise valve timing - determining when intake and exhaust valves open and close relative to piston position. Proper timing is essential for efficient combustion, smooth engine performance, and long-term reliability.
The timing chain system is one of the most critical mechanical systems in an internal combustion engine. The sprockets that guide and drive the chain can wear or suffer surface fatigue, which may lead to:
• Timing chain slack or noise
• Inaccurate valve timing
• Engine roughness or power loss
• Increased wear on tensioners and guides.
Worn sprocket teeth can accelerate chain wear and compromise the whole timing train. Replacing the camshaft sprocket restores optimal fit, timing accuracy, and helps protect associated timing components - especially vital on high-mileage or restored classic engines.
Replace the camshaft chain sprocket if you notice:
• Noticeable timing chain noise (rattle at start or idle)
• Timing chain slack or visible elongation
• During full timing chain/tensioner overhaul
• Wear or damage on original sprocket teeth
• Engine running irregularly or rough at idle
Related reference numbers
Related, superseded, cross reference or alternative numbers for comparison.
90110505500
90110505500
The product you are viewing cross references to these numbers
Price: €75.34
In stock
Related products
Vehicle Group
- Porsche Boxster 986 2.5L 1997-99
- Porsche Boxster 986 2.7L 1999-02
- Porsche Boxster S 986 3.2L 1999-02
- Porsche Boxster 986 2.7L 2003-04
- Porsche Boxster S 986 3.2L 2003-04
- 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 Cayman 2.7L 987C 2006-08
- Porsche Cayman S 3.4L 987C 2005-08
Information
Camshaft Sprocket with driver.
2 per engine. Price is for each.
Fits:
Porsche 986 Boxster 1997-04
Porsche 987 MKI Boxster 2005-08
Porsche 987C MKI Cayman 2005-08
Porsche 996 Carrera 1998-05
Porsche 997 MKI Carrera 2005-08
This product supersedes Porsche's old part numbers:
- 996 105 178 52
- 996 105 178 53.
Click picture for large parts diagram.
Diagram Ref No 27.
2 per engine. Price is for each.
Fits:
Porsche 986 Boxster 1997-04
Porsche 987 MKI Boxster 2005-08
Porsche 987C MKI Cayman 2005-08
Porsche 996 Carrera 1998-05
Porsche 997 MKI Carrera 2005-08
This product supersedes Porsche's old part numbers:
- 996 105 178 52
- 996 105 178 53.
Click picture for large parts diagram.
Diagram Ref No 27.
Price: €214.74
Orderable
Vehicle Group
- Porsche Boxster 986 2.5L 1997-99
- Porsche Boxster 986 2.7L 1999-02
- Porsche Boxster S 986 3.2L 1999-02
- Porsche Boxster 986 2.7L 2003-04
- Porsche Boxster S 986 3.2L 2003-04
- Porsche 996 C2 3.4L 1997-08/01
- Porsche 996 C4 3.4L 1997-08/01
Information
Camshaft Rotor Plate.
Fits:
Porsche 996 3.4L C2 / C4 >>2001
Porsche 986 Boxster / Boxster S 1997-04
Click 'Zoom in' for large parts diagram.
Diagram ref no 38
Price is for each.
Related reference numbers
Related, superseded, cross reference or alternative numbers for comparison.
99610512952
The product you are viewing cross references to these numbers
Fits:
Porsche 996 3.4L C2 / C4 >>2001
Porsche 986 Boxster / Boxster S 1997-04
Click 'Zoom in' for large parts diagram.
Diagram ref no 38
Price is for each.
Related reference numbers
Related, superseded, cross reference or alternative numbers for comparison.
99610512952
99610512952
The product you are viewing cross references to these numbers
Price: €2.82
Orderable
Vehicle Group
- Porsche Boxster S 986 3.2L 1999-02
- Porsche Boxster 986 2.7L 2003-04
- Porsche Boxster S 986 3.2L 2003-04
- Porsche Boxster 987 2.7L 2005 -08/08
- Porsche Boxster 987 S 3.2/3.4L 2005-08/08
- 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
Information
Camshaft adjuster sprocket, Inlet, Cyl. 4-6.
Fits:
Porsche 986 Boxster 2.7L / 3.2L 2002-04
Porsche 987.1 Boxster 2.7L / 3.2L / 3.4L 2004-08
Porsche 987C.1 Cayman 2.7L / 3.4L 2005-08
Porsche 996 Carrera 3.6L 2001-05
Porsche 997.1 Carrera 3.6L / 3.8L 2004-08
Click 'Zoom in' for large parts diagram.
Diagram ref no 43
Related reference numbers
Related, superseded, cross reference or alternative numbers for comparison.
99610505202
The product you are viewing cross references to these numbers
Fits:
Porsche 986 Boxster 2.7L / 3.2L 2002-04
Porsche 987.1 Boxster 2.7L / 3.2L / 3.4L 2004-08
Porsche 987C.1 Cayman 2.7L / 3.4L 2005-08
Porsche 996 Carrera 3.6L 2001-05
Porsche 997.1 Carrera 3.6L / 3.8L 2004-08
Click 'Zoom in' for large parts diagram.
Diagram ref no 43
Related reference numbers
Related, superseded, cross reference or alternative numbers for comparison.
99610505202
99610505201
99610505202
The product you are viewing cross references to these numbers
Price: €506.40
Orderable