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Drive belt idler pulley deflection roller. Porsche 955 / 957 / 958 Cayenne ❭ 95510227600
- Porsche 955 Cayenne 3.2L V6 2003-06
- Porsche 957 Cayenne 3.6L 2007-10
- Porsche 958 Cayenne V6 3.6L Petrol (300Hp) 2010-17
Genuine Porsche original equipment (OE) idler pulley is also referred to as an accessory drive belt deflection roller or relay roller. This pulley plays a key role in guiding and maintaining proper tension on the serpentine belt that drives essential engine accessories such as the alternator, power steering pump, air conditioning compressor, and water pump.
Fits:
Porsche 955 Cayenne 3.2L 2004>> (M02.2Y)
Porsche 957 Cayenne 3.6L 2007 - 2010 (Engine code: 5501)
M >> 638 08942
M 63A 03027 >>
M 63A 05020 >>
Porsche 958 Cayenne 3.6L 2010 - 18 (Engine code: 5502, CEYA)
M >> B 06770
M >> B 06811
Diagram ref no 7
This idler pulley provides a smooth, correctly aligned surface for the accessory drive belt (serpentine belt) to run over, ensuring proper routing and tension as it drives vital systems such as the alternator, air conditioning compressor, power steering pump, and water pump (as fitted). It keeps belt motion steady and prevents slipping, vibration, or premature wear in the belt system.
• Supports accessory belt routing and alignment
• Maintains belt tension and deflection control
• Reduces belt noise and wear
• Promotes reliable drive of auxiliary engine systems
Replace this idler pulley if you notice:
• Squealing or chirping from the front accessory belt area
• Belt wear or fraying
• Vibration or noise from the pulley bearing
• During belt system maintenance or tensioner replacement
Related reference numbers
Related, superseded, cross reference or alternative numbers for comparison.
95510227600
The product you are viewing cross references to these numbers
- Porsche 944S 2.5L 16V 1987-88
- Porsche 944S2 3.0L 16V 1989-91
- Porsche 968 3.0L 1992-94
- Porsche 968 Sport 3.0L 1994-95
- Porsche 968 CS 3.0L 1993-95
- Porsche 968 Turbo S 3.0L 1993-94
Genuine Porsche OE cam belt / timing belt for Porsche 944 S, 944 S2 and 968 models. This original Porsche toothed belt is used in the camshaft drive system on Porsche 16-valve DOHC engines, helping keep the crankshaft and camshafts correctly synchronised for accurate valve timing.
Fits:
Porsche 944 S/S2 1987 - 1991
Porsche 968 1992 - 1996
Diagram Ref No 4.
What This Part Does / Functions
• Synchronises crankshaft and camshaft rotation
• Maintains correct valve timing during engine operation
• Drives the camshaft gear / camshaft timing system
• Supports smooth running, correct combustion and engine performance
• Helps prevent timing slip when installed and tensioned correctly
• Provides OE Porsche tooth profile, length and fitment
• Replaces a worn, aged, cracked or contaminated timing belt
• Helps protect the engine from timing-related failure when serviced at the correct interval.
Why Replace This Part?
The cam belt is a critical engine service item. Over time, the belt can age, crack, stretch, wear or become contaminated by oil or coolant. If the belt slips or fails, the camshafts and crankshaft can move out of synchronisation, which may cause serious internal engine damage. Replacing it with a Genuine Porsche OE cam belt helps maintain accurate engine timing and supports the reliability of the 16-valve Porsche engine. During replacement, it is recommended to inspect the tensioners, rollers, water pump, balance shaft belt and related timing components.
When to Replace This Part
• During scheduled timing belt service.
• If the belt is cracked, frayed, glazed or visibly worn.
• If the belt has been contaminated by oil, coolant or debris.
• If the belt age or mileage is unknown.
• When recommissioning a stored Porsche 944 S/S2 or 968
• During camshaft, cylinder head, water pump, tensioner or roller service
• If timing belt noise, tracking issues or tension problems are present
• When restoring the engine with correct OE Porsche service parts
Where It Fits on the Car
This belt fits at the front of the engine, within the camshaft timing drive system. It runs around the timing pulleys and camshaft gear arrangement on the 16-valve DOHC engine.
Related reference numbers
Related, superseded, cross reference or alternative numbers for comparison.
94410532303
The product you are viewing cross references to these numbers
- Porsche 924S 2.5L 1986-87
- Porsche 924S 2.5L 1988
- Porsche 944 2.5L 8V 1982-87
- Porsche 944 2.7L 8V 1988-89
- Porsche 944S 2.5L 16V 1987-88
- Porsche 944S2 3.0L 16V 1989-91
- Porsche 944 Turbo 2.5L 8V 1985-88
- Porsche 944 Turbo 2.5L 8V 1989-91
- Porsche 944 Turbo S 2.5L 8V 1988
- Porsche 968 3.0L 1992-94
- Porsche 968 Sport 3.0L 1994-95
- Porsche 968 CS 3.0L 1993-95
- Porsche 968 Turbo S 3.0L 1993-94

Fits:
Porsche 924S 1986-88
Porsche 944 1982-91 all models
Porsche 968 1992-95 all models
Click 'Zoom in' for large parts diagram.
Diagram Ref No 14.
Related reference numbers
Related, superseded, cross reference or alternative numbers for comparison.
94410221904
The product you are viewing cross references to these numbers
- Porsche 944S 2.5L 16V 1987-88
- Porsche 944S2 3.0L 16V 1989-91
- Porsche 968 3.0L 1992-94
- Porsche 968 Sport 3.0L 1994-95
- Porsche 968 CS 3.0L 1993-95
- Porsche 968 Turbo S 3.0L 1993-94
Fits:
Porsche 924S 1986-88
Porsche 944 1982-91 all models
Porsche 968 1992-95 all models
Fits cars with power steering.
Click 'Zoom in' for large parts diagram.
Diagram Ref No 20.
Related reference numbers
Related, superseded, cross reference or alternative numbers for comparison.
99919223650
The product you are viewing cross references to these numbers
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