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Drive belt. Porsche 991.1 S / 991.1 Turbo / 992.1 S and GTS ❭ 0PB903137E
- Porsche 991.1 Carrera C2S / GTS 3.8L (400/430 Bhp) 2012-16
- Porsche 991.1 Carrera C4S / GTS 3.8L (400/430 Bhp) 2012-16
- Porsche 991.1 Turbo 3.8L (520 Bhp) 2014-16
- Porsche 991.1 Turbo S 3.8L (560 Bhp) 2014-16
- Porsche 992.1 Carrera 2S / GTS 3.0L 2019-24
- Porsche 992.1 Carrera 4S / GTS 3.0L 2019-24
- Porsche 992.1 Carrera 2S / GTS Cabriolet 3.0L 2019-24
- Porsche 992.1 Carrera 4S / GTS Cabriolet 3.0L 2019-24
- Porsche 992.1 Targa 4S / GTS 3.0L 2020-24
This OE Match drive belt is a replacement auxiliary engine belt for selected Porsche 991.1 and 992.1 models. It is designed to match the original-style fitment and function. This replacement auxiliary belt helps drive engine accessories and supports reliable engine system operation.
Fits:
Cars with PASM and Sport chassis PDCC (option code: 031 / I352)
Porsche 991.1 S 3.8L 2012 - 2016 (MA1.03 engine)
Porsche 991.1 Turbo 3.8L (MA1.71 engine)
Porsche 992 S / GTS 15.03.2020 - 2024
For cars with PDDC Option Code 1P7 (Anti roll bar, active body control PDDC)
Diagram ref no 1
The drive belt transfers rotational power from the engine pulley to the relevant auxiliary components. A correctly fitted and tensioned belt is essential for dependable accessory drive performance, proper pulley contact, and overall engine reliability.
Functions
• Replaces the auxiliary engine drive belt
• Transfers drive from the engine pulley to auxiliary components
• Supports reliable accessory belt operation
• Helps maintain correct belt tension and pulley contact
• Replaces cracked, glazed, stretched, frayed, noisy, or slipping belts
• Suitable for scheduled servicing and preventative maintenance
• OE Match replacement for Porsche 991.1 and 992.1 engine service.
Why Replace This Part?
Drive belts wear over time due to heat, engine vibration, pulley contact, age, tension changes, and engine bay conditions. A worn belt can crack, glaze, stretch, fray, squeal, slip, or fail completely. If the belt fails, driven auxiliary systems may stop operating correctly, which can lead to warning lights, charging issues, accessory faults, or vehicle breakdown. Replacing the belt helps restore dependable auxiliary drive performance.
When to Replace This Part
• The drive belt is cracked, glazed, frayed, stretched, or worn
• Belt squeal, chirping, or slipping is present
• The belt does not track correctly on the pulleys
• The belt tensioner, pulleys, alternator, or related components are being serviced
• Charging or accessory drive faults are present
• Preventative belt replacement is being carried out during scheduled maintenance
• The vehicle is undergoing Porsche 991.1 or 992.1 engine service.
Where it fits on the car
This drive belt fits within the engine auxiliary belt drive system on Porsche 991.1 S, 991.1 Turbo, 992.1 S, and 992.1 GTS models. It runs around the relevant pulleys according to the factory belt routing.
Related reference numbers
Related, superseded, cross reference or alternative numbers for comparison.
0PB903137E
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
The Genuine Porsche 94410515704 timing camshaft belt is an OE toothed cam belt for selected Porsche 924S and 944 models. It synchronises the camshaft and crankshaft, maintains correct engine timing and is a critical service component. Ideal for scheduled timing belt replacement, engine service or recommissioning a stored Porsche 924S / 944.
Fits:
Porsche 924S 1986 - 1988
Porsche 944 1982 - 1991 (V8)
Porsche 944 Turbo
Diagram Ref No 5.
This belt is used on selected Porsche 924S and 944 four-cylinder engines and is a critical component of the engine timing system.
What This Part Does / Functions
• Synchronises camshaft and crankshaft rotation
• Ensures correct valve timing during engine operation
• Controls when the intake and exhaust valves open and close
• Helps maintain smooth running and engine performance
• Supports correct combustion timing and engine efficiency
• Provides OE Porsche belt fitment and tooth profile
• Replaces a worn, aged, cracked or contaminated timing belt
• Helps prevent timing-related engine damage when replaced at the correct service interval.
Why Replace This Part?
The camshaft timing belt is a critical 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 camshaft and crankshaft can move out of sync, which may cause serious engine damage. Replacing the timing belt with a Genuine Porsche OE cam belt helps maintain correct engine timing and supports reliable operation of the classic Porsche 924S / 944 engine. It is strongly recommended to inspect or replace related tensioners, rollers, balance shaft belt and water pump components during timing belt service.
When to Replace This Part
• During scheduled timing belt service
• If the belt is cracked, worn, frayed or glazed
• If the belt has been contaminated by oil, coolant or debris
• If the timing belt age or mileage is unknown
• When recommissioning a stored Porsche 924S or 944
• During camshaft, front engine seal, tensioner or roller replacement
• When replacing the balance shaft belt or water pump
• If timing belt noise, tracking issues or tension problems are present.
Where It Fits on the Car
This belt fits on the front of the engine, within the camshaft timing belt system. It runs between the crankshaft and camshaft timing pulleys and is protected by the timing belt covers.
Related reference numbers
Related, superseded, cross reference or alternative numbers for comparison.
94410515704
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 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
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