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Belts / Tensioners / Rollers
By OE Match
- Porsche 924 2.0L 1976-79
- Porsche 924 2.0L 1980-85
- Porsche 924 Turbo 2.0L 1979-81
- Porsche 924 Turbo 2.0L 1982-84
Outer diameter 1: 72 mm,
Width 1: 24,5 mm

Fits:
924 2.0 L XJ ENG 1975/11- 1989/08
924 2.0L CARRERA M31.50 1980-1986
924 2.0 L TURBO M31.01 M31.03 1978-/01-1986
Click 'Zoom in' for large parts diagram.
Diagram ref no 7 & 14.
Related reference numbers
Related, superseded, cross reference or alternative numbers for comparison.
026109243F
The product you are viewing cross references to these numbers
This kit is comprised of the following items:
- 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
Outer diameter: 49.8 mm,
Width: 22 mm

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 11.
Related reference numbers
Related, superseded, cross reference or alternative numbers for comparison.
94410227706
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 2.5 M44.01,M44.03 M44.07 M44.08
Porsche 944 2.5 M44.01 1981/06- 1984/12
Porsche 944 2.5 M44.07 M44.40 M44.50 1985/01- 1988/07
Porsche 944 2.5 M44.51 1987/08-1988/08
Porsche 944 2.5 M44.52 1988/09-1991/07
Porsche 944 2.7 M44.11 1988/09- 1989/08
Porsche 944 3.0 16V M44.41 1988/12-1991/07
Porsche 968 3.0 M44.43 M44.44 1992-
Click 'Zoom in' for large parts diagram.
Diagram Ref No 10.
Related reference numbers
Related, superseded, cross reference or alternative numbers for comparison.
94410202507
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
This is a high-quality cam-/timing-belt idler/guide roller designed to replicates the original manufacturer specifications for diameter, width, bearing quality. Cam idler roller maintaining correct belt tension and alignment so that the camshafts, crankshaft (and in balance-shaft applications) remain perfectly synchronised. If the idler becomes worn or seizes, the belt can deviate, skip teeth or fail, potentially leading to catastrophic engine damage.
Fits:
Porsche 924S 1986 - 1988
Porsche 944 1983 - 1989*
Porsche 944 S, 944 S2, 944 Turbo
Porsche 968 1992 - 1995
* see Notes 2 & 3
Note 1: Also fits early 87 924S up to engine # 43H01919 (Manual Trans) & 43H60384 (Auto Trans)
Note 2: Also fits early 87 924S from engine # 43H01920 (Manual Trans) & 43H60385 (Auto Trans)
Note 3: Early cars (83-86) that have been updated to the later style water pump with belt guard rail will use this roller.
Diagram ref no 6
• Position on Vehicle: his part mounts in the timing belt drive system (camshaft-belt/guide roller area) on the front of the engine block, often adjacent to the belt guard/rail for the water pump/temporal belt path.
• Applications: Timing belt drive systems in the above-listed Porsche models (924S, 944, 968). Suitable replacement when restoring or maintaining correct cam/ crank timing and belt drive reliability.
The timing belt idler roller plays a crucial role in maintaining precise belt alignment and smooth engine operation. Over time, the bearing can wear out or seize, risking belt failure and serious engine damage. Replacing the roller during scheduled maintenance ensures long-term reliability, quiet operation, and protection of vital engine components.
When and why to replace:
• Signs of wear, noise, or rough bearing movement.
• During timing belt or water-pump service for easy access and complete system refresh.
• Preventative maintenance on high-mileage or older vehicles with original rollers.
• To prevent costly repairs caused by belt misalignment or breakage.
• To restore smooth, quiet belt operation and consistent timing performance.
Related reference numbers
Related, superseded, cross reference or alternative numbers for comparison.
94410524104
The product you are viewing cross references to these numbers
- Porsche 924S 2.5L 1986-87
- Porsche 944 2.5L 8V 1982-87
Manufactured to fit directly - no modification required - this tensioner restores the original belt path and tensioning characteristics that are critical to reliable engine timing and smooth valve operation.
Outer diameter: 59 mm, Width: 31,5 mm
Fits:
Porsche 924S 1986
Porsche 944 2.5L 8V 1982 - 1986
Diagram ref No 6.
This timing belt tensioner is a pulley unit that controls belt tension and alignment along the drive path, keeping the timing belt taut between the crankshaft, camshaft, and auxiliary pulleys. It maintains proper belt tension to prevent slip or mis-timing, keeps the belt tracking correctly to reduce wear and noise, and absorbs vibration while compensating for belt stretch. By replacing a worn or noisy original tensioner, it restores stable, reliable timing-belt operation and helps extend overall belt life.
A timing belt tensioner gradually wears through miles, heat cycles, and bearing fatigue. As the spring weakens or the pulley deteriorates, belt tension becomes inconsistent, which can lead to belt slip, misalignment, or even skipping teeth—conditions that may cause serious engine damage on interference-type Porsche engines. Replacing the tensioner ensures stable, accurate belt control, protects the engine’s timing components, and restores the reliability required for safe, trouble-free operation.
Related reference numbers
Related, superseded, cross reference or alternative numbers for comparison.
94410502704
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 944 Turbo 2.5L 8V 1985-88
- Porsche 944 Turbo 2.5L 8V 1989-91
- Porsche 944 Turbo S 2.5L 8V 1988

Fits:
Porsche 924S 1987-88
Engine codes M44.09 / M44.10
Porsche 944 2.5L 1985-88
Engine codes M44.05 / M44.06 / M44.07 / M44.08 / M44.09 / M44.10
Porsche 944 2.5L Turbo 1985-91
Engine codes M44.51 / M44.52
Porsche 944 2.7L 8V 1988-89
Engine codes M44.11 / M44.12
This product supersedes Porsche's old part numbers:
- 94410563104
Click 'Zoom in' for large parts diagram.
Diagram Ref No 9.
Related reference numbers
Related, superseded, cross reference or alternative numbers for comparison.
94410563106
The product you are viewing cross references to these numbers
- Porsche 924S 2.5L 1986-87
- Porsche 944 2.5L 8V 1982-87
- Porsche 944 Turbo 2.5L 8V 1985-88
The OE Match Cam Idler Roller is a high-quality replacement timing belt guide roller designed to support and guide the camshaft timing belt within the engine timing system. Featuring an outer diameter of 32mm and a width of 21mm, this precision-engineered idler roller helps maintain correct belt routing, alignment and stability throughout engine operation.
Fits:
- Porsche 924S 2.5L 1986-87
- Porsche 944 2.5L 8V 1982-87
- Porsche 944 Turbo 2.5L 8V 1985-88
Diagram Ref No 7
Manufactured to OE specifications for fit, function and durability, the roller is designed to withstand constant rotational loads, engine heat and high-speed operation. It is an essential service component during timing belt replacement and engine maintenance, helping to ensure reliable timing system performance and long-term engine protection.
What This Product Does:
- Guides and supports the camshaft timing belt.
- Maintains correct timing belt alignment and routing.
- Reduces belt vibration and unwanted movement.
- Promotes even belt wear across the timing system.
- Helps ensure accurate synchronisation between the crankshaft and camshaft.
- Supports smooth and reliable engine operation.
Symptoms Of Wear Or Failure:
- Squealing, chirping or grinding noises from the timing belt area.
- Excessive timing belt vibration.Rough or noisy bearing operation.
- Visible wear on the roller surface.Timing belt misalignment.
- Uneven or accelerated timing belt wear.
- Bearing play or looseness within the roller.
- Timing belt failure risk in severe cases.
Why Replacement Matters:
- The cam idler roller operates continuously whenever the engine is running and is subjected to constant rotational speeds, heat and bearing loads. Over time, the internal bearing can wear, lubrication can deteriorate and the roller surface may become damaged.
- A failing idler roller can cause timing belt misalignment, increased belt wear and excessive stress on other timing system components. In severe cases, bearing seizure or roller failure can lead to timing belt damage, potentially resulting in significant engine damage and expensive repairs.
Related reference numbers
Related, superseded, cross reference or alternative numbers for comparison.
94410527302
The product you are viewing cross references to these numbers
- Porsche 924 2.0L 1976-79
- Porsche 924 2.0L 1980-85
- Porsche 924 Turbo 2.0L 1979-81
- Porsche 924 Turbo 2.0L 1982-84
Outer diameter 1: 72 mm,
Width 1: 24,5 mm

Fits:
924 2.0 L XJ ENG 1975/11- 1989/08
924 2.0L CARRERA M31.50 1980-1986
924 2.0 L TURBO M31.01 M31.03 1978-/01-1986
Click 'Zoom in' for large parts diagram.
Diagram ref no 14.
Related reference numbers
Related, superseded, cross reference or alternative numbers for comparison.
026109243F
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 944 Turbo 2.5L 8V 1985-88
- Porsche 944 Turbo 2.5L 8V 1989-91
- Porsche 944 Turbo S 2.5L 8V 1988
This OE Match timing camshaft belt, also known as a cam belt, is a replacement engine timing belt for Porsche 924S and 944 models. It is designed to match the original-style fitment and function. This replacement cam belt helps synchronise crankshaft and camshaft movement, supporting correct valve timing and reliable engine operation.
Fits:
Porsche 924S 1986 - 1988
Porsche 944 1982 - 1991 (V8)
Porsche 944 Turbo
Diagram Ref No 5.
The timing camshaft belt connects the crankshaft and camshaft drive system, keeping valve timing correctly synchronised with piston movement. A good timing belt is essential for engine performance, smooth running, and preventing serious timing-related engine damage.
Functions
• Replaces the timing camshaft belt / cam belt
• Synchronises crankshaft and camshaft movement
• Supports correct valve timing
• Helps maintain smooth engine running and performance
• Replaces cracked, worn, contaminated, stretched, or aged timing belts
• Suitable for scheduled timing belt service and preventative maintenance
• OE Match replacement for Porsche 924S and 944 engine timing service.
Why Replace This Part?
Timing belts wear with age, mileage, heat, oil contamination, tension changes, and repeated engine use. A worn or overdue cam belt can crack, lose teeth, stretch, fray, or fail without warning. Timing belt failure can cause poor running, loss of valve timing, non-start issues, or severe engine damage. Replacing the belt at the correct service interval helps protect the engine and maintain reliable operation.
When to Replace This Part
• The timing belt service interval is due
• The cam belt is cracked, frayed, glazed, contaminated, or worn
• Timing belt teeth are damaged or missing
• The belt has been exposed to oil, coolant, or dirt contamination
• Timing belt tension is incorrect or unstable
• The water pump, tensioners, rollers, or front engine seals are being replaced
• Preventative replacement is being carried out during major engine service.
Where it fits on the car
This belt fits within the engine timing belt / camshaft drive system on Porsche 924S and 944 models. It runs between the relevant crankshaft and camshaft pulleys according to the factory timing layout.
Related reference numbers
Related, superseded, cross reference or alternative numbers for comparison.
94410515704
The product you are viewing cross references to these numbers
OEMatch Belts / Tensioners / Rollers — Fit, Function, Confidence
These belts, tensioners and rollers control engine timing and auxiliary drives on Porsche models and are commonly replaced during major services and engine rebuilds to restore precise operation and reduce the risk of future failures. Many owners search for genuine or OEM belts; OEMatch offers compatible alternatives engineered to match original-spec dimensions and tolerances for common Porsche applications.
- Timing belts and cambelts
- Auxiliary and serpentine belts
- Tensioner assemblies and hydraulic tensioners
- Idler and guide rollers
- Complete timing kits
Understanding OEMatch Belts / Tensioners / Rollers
OEM (Original Equipment Manufacturer) parts are made by the same company that produced your Porsche’s original belts, tensioners and rollers.
OE (Original Equipment) refers to parts matching original specifications for the belts, tensioners and rollers and may be supplied by alternative manufacturers. Aftermarket parts offer alternative options, sometimes with enhanced features or better value. OEMatch supplies non-OEM belts, tensioners and rollers engineered as direct-fit alternatives to OEM parts, made to original-spec dimensions and tolerances for Porsche models. OEMatch maintains a wide Porsche-focused catalogue and supports vehicle maintenance with thousands of cross-references and a continuing programme of new part development to help keep Porsche vehicles on the road.
Benefits Include
- Restored timing precision after rebuilds or major services
- Reduced risk of belt slip, noise and bearing failures
- Improved reliability for high-temperature and high-mileage applications
Why Belts / Tensioners / Rollers Wear and Fail
- Ageing rubber and heat exposure causing cracks or loss of flexibility
- Worn bearings in rollers or tensioners generating noise and vibration
- Loss of correct tension leading to slippage or timing misalignment
- Contamination from oil or coolant degrading belt materials
The Importance of Replacing with OEMatch Belts / Tensioners / Rollers
Replacing belts, tensioners and rollers during an engine rebuild or scheduled maintenance restores correct timing relationships, reduces the chance of catastrophic engine damage and supports long-term engine reliability on Porsche models. Using refreshed tensioners and rollers alongside new belts helps ensure even loading, quieter running and consistent operation across the rev range, protecting valves, pistons and ancillary drives.
Advantages
- Parts selected for Porsche applications and original-spec dimensions
- Complete kits available to simplify rebuilds and avoid mixing old and new components
- Options covering timing and auxiliary systems to match common service requirements