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Engine camshaft cover, Lower SET OF 2. Porsche 964 C2/C4 1989-93 - 96410511603
96410511603/1
Vehicle Group
- Porsche 964 (911) C2 1989-93
- Porsche 964 (911) C4 1989-93
Information
Pair of valve covers bottom aluminium.
Lower camshaft cover set is a high-quality aluminium replacement for the original covers fitted to Porsche 911 (964) Carrera 2 and Carrera 4 models (1989–1993). These covers protect and seal the lower section of the camshaft housing, preventing oil leakage and maintaining proper lubrication around the valve train and camshaft bearings.
SET OF TWO
Fits:
Porsche 964 C2 / C4 1989 - 1993
Diagram Ref No 14
Manufactured from aluminium alloy, each cover in this set of two replicates Porsche’s original design, with exact bolt-hole alignment and machined sealing surfaces to ensure a perfect, leak-free fit. The durable construction provides excellent resistance to heat, vibration, and oil exposure — making it ideal for engine rebuilds, oil leak repairs, or performance restorations.
• Quantity: 2 pcs (left and right)
• Function: Seals and protects lower camshaft housing from oil leaks
• Position: Engine – lower camshaft housing (left & right banks)
• Benefits: OE-fit accuracy, improved durability, leak-free operation
Camshaft covers are exposed to constant heat cycles, oil pressure, and vibration. Over time, warping or gasket deterioration can lead to oil seepage or contamination around the camshaft housing.
Replace this set when:
• Performing a top-end rebuild or oil leak repair
• The existing covers show warping, cracks, or corrosion
• You observe oil weeping along the cam housing seam
• Restoring a Porsche 964 engine to factory specification
Installing a new Lower Camshaft Cover Set ensures precise sealing, improved engine cleanliness, and long-lasting durability — maintaining the reliability and presentation of your classic air-cooled Porsche engine.
Related reference numbers
Related, superseded, cross reference or alternative numbers for comparison.
96410511603
The product you are viewing cross references to these numbers
Lower camshaft cover set is a high-quality aluminium replacement for the original covers fitted to Porsche 911 (964) Carrera 2 and Carrera 4 models (1989–1993). These covers protect and seal the lower section of the camshaft housing, preventing oil leakage and maintaining proper lubrication around the valve train and camshaft bearings.
SET OF TWO
Fits:
Porsche 964 C2 / C4 1989 - 1993
Diagram Ref No 14
Manufactured from aluminium alloy, each cover in this set of two replicates Porsche’s original design, with exact bolt-hole alignment and machined sealing surfaces to ensure a perfect, leak-free fit. The durable construction provides excellent resistance to heat, vibration, and oil exposure — making it ideal for engine rebuilds, oil leak repairs, or performance restorations.
• Quantity: 2 pcs (left and right)
• Function: Seals and protects lower camshaft housing from oil leaks
• Position: Engine – lower camshaft housing (left & right banks)
• Benefits: OE-fit accuracy, improved durability, leak-free operation
Camshaft covers are exposed to constant heat cycles, oil pressure, and vibration. Over time, warping or gasket deterioration can lead to oil seepage or contamination around the camshaft housing.
Replace this set when:
• Performing a top-end rebuild or oil leak repair
• The existing covers show warping, cracks, or corrosion
• You observe oil weeping along the cam housing seam
• Restoring a Porsche 964 engine to factory specification
Installing a new Lower Camshaft Cover Set ensures precise sealing, improved engine cleanliness, and long-lasting durability — maintaining the reliability and presentation of your classic air-cooled Porsche engine.
Related reference numbers
Related, superseded, cross reference or alternative numbers for comparison.
96410511603
96410511602
96410511603
96410511601
The product you are viewing cross references to these numbers
Price: £225.00
Arriving soon
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Information
Camshaft Adjuster.
Sold each - 2 required per car.
Restore accurate variable valve timing and dependable engine performance with this OE Match Camshaft Adjuster. Designed for compatible Porsche engine applications, the camshaft adjuster forms part of the engine's variable valve timing system and changes camshaft position relative to the crankshaft according to operating conditions.
Fits:
Porsche 958 4.8L Cayenne S 2011-14
Porsche 958 4.8L Cayenne GTS 2013-14
Porsche 958 4.8L Cayenne TURBO 2011-18
Porsche 970 3.6L Panamera 2010-16
Porsche 970 4.8L Panamera S 2010-13
Porsche 970 4.8L Panamera GTS 2013-16
Porsche 970 4.8L Panamera TURBO 2010-16
Diagram Ref No 9
Modern engines can alter camshaft timing to optimise valve operation at different engine speeds and loads. The camshaft adjuster responds to the engine management system and associated oil-pressure control, advancing or retarding camshaft timing as required. This helps the engine balance low-speed torque, higher-speed performance, efficiency and emissions.
What This Product Does:
Symptoms Of Wear Or Failure:
Why Replacement Matters:
Related reference numbers
Related, superseded, cross reference or alternative numbers for comparison.
94810505123
The product you are viewing cross references to these numbers
Sold each - 2 required per car.
Restore accurate variable valve timing and dependable engine performance with this OE Match Camshaft Adjuster. Designed for compatible Porsche engine applications, the camshaft adjuster forms part of the engine's variable valve timing system and changes camshaft position relative to the crankshaft according to operating conditions.
Fits:
Porsche 958 4.8L Cayenne S 2011-14
Porsche 958 4.8L Cayenne GTS 2013-14
Porsche 958 4.8L Cayenne TURBO 2011-18
Porsche 970 3.6L Panamera 2010-16
Porsche 970 4.8L Panamera S 2010-13
Porsche 970 4.8L Panamera GTS 2013-16
Porsche 970 4.8L Panamera TURBO 2010-16
Diagram Ref No 9
Modern engines can alter camshaft timing to optimise valve operation at different engine speeds and loads. The camshaft adjuster responds to the engine management system and associated oil-pressure control, advancing or retarding camshaft timing as required. This helps the engine balance low-speed torque, higher-speed performance, efficiency and emissions.
What This Product Does:
- Forms part of the engine's variable valve timing system.
- Adjusts camshaft position relative to the crankshaft.
- Advances or retards valve timing according to engine operating conditions.
- Works with the engine management and oil-control systems.
- Helps optimise valve timing across different engine speeds and loads.
- Supports strong and consistent engine performance.
- Helps improve low-speed response and higher-speed efficiency.
- Contributes to smooth engine operation and efficient combustion.
- Helps the engine maintain the commanded camshaft timing.
- Replaces a worn, sticking, damaged or malfunctioning camshaft adjuster.
- Provides an OE-style replacement for compatible Porsche engine applications.
Symptoms Of Wear Or Failure:
- Check engine or engine-management warning light.
- Camshaft timing or correlation fault codes.
- Rattling or abnormal mechanical noise from the timing system.
- Noise particularly noticeable during engine start-up.
- Rough or unstable idle.
- Engine misfires.
- Hesitation or poor throttle response.
- Reduced engine power.
- Inconsistent power delivery.
- Increased fuel consumption.
- Difficulty starting the engine.
- Engine running differently at particular speeds or loads.
- Actual camshaft position failing to match the commanded position during diagnostic testing.
- Excessive play, sticking or physical damage discovered during timing-system inspection.
Why Replacement Matters:
- Accurate camshaft timing is essential for correct valve operation. The camshaft adjuster allows the engine to alter this timing dynamically rather than relying on one fixed setting for every operating condition.
- If the adjuster sticks or develops excessive wear, the camshaft may remain too far advanced or retarded. This can affect cylinder filling, combustion and exhaust flow, resulting in reduced performance, rough running and increased fuel consumption.
- A mechanically worn adjuster may also generate rattling or knocking noises. Continued operation with a timing-system fault can place additional stress on related components and may contribute to more extensive timing-system deterioration.
- In engines where piston-to-valve clearance is limited, serious mechanical timing errors can potentially result in internal engine damage. For this reason, persistent timing faults or abnormal timing-system noises should not be ignored.
- Replacing a defective component with this OE Match Camshaft Adjuster helps restore accurate variable valve timing, consistent engine response and dependable operation of the associated timing system.
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Information
Camshaft adjuster seal. Sold each.
Fits:
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- Porsche 957 Cayenne Turbo / Turbo S 4.8L 2007-10
- Porsche 958 Cayenne S V8 4.8L Petrol (400Hp) 2010-17
- Porsche 958 Cayenne GTS V8 4.8L Petrol (400Hp) 2010-17
- Porsche 958 Cayenne Turbo V8 4.8L Petrol (500Hp) 2010-17
- Porsche 958 Cayenne Turbo S V8 4.8L Petrol (550Hp) 2010-17
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- Porsche 970.1 Panamera 4 V6 3.6L 4WD 2009-13
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Information
Actuator Camshaft / VVT Solenoid – Porsche Cayenne 955 S /
Turbo (2005>>)
OEM ref: 94810530407
This camshaft actuator (variable valve timing / VVT solenoid) controls the oil flow to the camshaft adjuster, allowing the engine ECU to advance or retard cam timing. On Porsche Cayenne 955 S and Turbo models from 2005 onwards, a healthy actuator is essential for smooth power delivery, good fuel economy and clean emissions.
Compatible with :
- · Porsche 957 Cayenne S/GTS 4.8L 2007-10
- · Porsche 957 Cayenne Turbo / Turbo S 4.8L 2007-10
- · Porsche 958 Cayenne S V8 4.8L Petrol 400HP 2010-17
- · Porsche 958 Cayenne GTS V8 4.8L Petrol 400HP 2010-17
- · Porsche 958 Cayenne Turbo V8 4.8L Petrol 500HP 2010-17
- · Porsche 958 Cayenne Turbo S V8 4.8L Petrol 550HP 2010-17
- · Porsche 970.1 Panamera V6 3.6L 2WD 2009-13
- · Porsche 970.1 Panamera 4 V6 3.6L 4WD 2009-13
- · Porsche 970.1 Panamera S V8 4.8L 2009-13
- · Porsche 970.1 Panamera 4S V8 4.8L 2009-13
- · Porsche 970.1 Panamera GTS V8 4.8L 2011-13
- · Porsche 970.1 Panamera Turbo V8 4.8L 2009-13
- · Porsche 970.1 Panamera Turbo S V8 4.8L 2009-13
- · Porsche 970.2 Panamera V6 3.6L 2WD (310Hp) 2014-16
- · Porsche 970.2 Panamera 4 V6 3.6L 4WD (310Hp) 2014-16
- · Porsche 970.2 Panamera GTS V8 4.8L 4WD (440Hp) 2014-16
- · Porsche 970.2 Panamera Turbo V8 4.8L (520Hp) 2014-16
- · Porsche 970.2 Panamera Turbo V8 Executive 2014-16
- · Porsche 970.2 Panamera Turbo S V8 4.8L 2014-16
Why these should be replaced
Over time the original actuator is exposed to hot engine oil, varnish deposits and general wear. This can cause the internal valve to stick or slowdown, which means the cam timing can no longer be adjusted correctly. Replacing tired actuators:
Restores correct camshaft timing and engine performance Improves throttle response and mid-range torque Helps cure rough idle and hesitation under load Can reduce fuel consumption and emissions Prevents further damage to camshaft adjusters and associated components
On many Cayenne V8 engines, Porsche and independent specialists recommend replacing faulty VVT solenoids in pairs (one per cylinder bank) to ensure balanced timing and avoid repeat labour costs.
Common issues / symptoms of a failing camshaft actuator
Typical signs that this part needs replacement include:
Check Engine Light with camshaft timing faults (e.g. “camshaft position – timing over-advanced/retarded”) Rough idle, misfires or stalling, especially when hot Flat spots or loss of power in the low–mid rev range Poor fuel economy compared with normal Rattling / ticking on start-up if the timing cannot be adjusted correctly Fault codes relating to Variable Valve Timing (VVT) solenoid / camshaft actuator
If these symptoms are present and other basic checks (oil level/quality, wiring, connectors) are OK, the camshaft actuator is a prime suspect.
Click 'Zoom in' for large parts diagram.
Diagram ref no 29
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