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Porsche
Porsche
99919209750
Product Information
The Genuine Porsche 99919209750 alternator belt is an OE V-belt for selected Porsche 911 1974–1979 models. It drives the alternator and cooling fan, helping maintain battery charging and essential air-cooled engine cooling. Ideal for routine servicing or replacing a cracked, slipping, noisy or worn original belt.
Fits:
Porsche 911 Turbo/SC 1974 - 1979 (Please choose by size)
Diagram ref no 12
This belt is used on selected classic Porsche 911 models and fits the alternator / cooling fan pulley system.
What This Part Does / Functions
• Drives the alternator from the engine pulley system
• Helps keep the battery charged while the engine is running
• Drives the engine cooling fan on air-cooled Porsche 911 models
• Supports correct engine cooling airflow
• Helps maintain stable electrical system performance
• Provides correct OE Porsche belt fitment for the listed pulley setup
• Replaces a worn, cracked, stretched, glazed or noisy belt
• Helps prevent belt slip, squeal and charging/cooling issues.
Why Replace This Part?
The alternator belt is a critical service item on air-cooled Porsche 911 models because it drives both the alternator and the cooling fan. Over time, the belt can crack, glaze, stretch, fray or lose grip on the pulleys. A worn or slipping belt can cause charging problems and may reduce cooling fan speed, which can lead to engine temperature concerns. Replacing the belt with a Genuine Porsche OE alternator belt helps restore correct belt drive, reliable battery charging and proper cooling fan operation.
When to Replace This Part
• If the belt is cracked, glazed, frayed or visibly worn
• If the belt squeals or slips during engine operation
• If the battery or charging warning light appears
• If the belt tension can no longer be set correctly
• During scheduled service or preventative maintenance
• When replacing alternator, fan pulley, shims or related belt-drive hardware
• If the belt has been contaminated by oil, fuel or debris
• When recommissioning a stored classic Porsche 911.
Where It Fits on the Car
This belt fits on the rear engine alternator / cooling fan pulley system. It runs between the crankshaft pulley and the fan/alternator pulley assembly, driving the alternator and cooling fan.
Related reference numbers
Related, superseded, cross reference or alternative numbers for comparison.
99919209750
The product you are viewing cross references to these numbers
Product Information
Alternator belt, Belt size: 9.5 x 725.The Genuine Porsche 99919209750 alternator belt is an OE V-belt for selected Porsche 911 1974–1979 models. It drives the alternator and cooling fan, helping maintain battery charging and essential air-cooled engine cooling. Ideal for routine servicing or replacing a cracked, slipping, noisy or worn original belt.
Fits:
Porsche 911 Turbo/SC 1974 - 1979 (Please choose by size)
Diagram ref no 12
This belt is used on selected classic Porsche 911 models and fits the alternator / cooling fan pulley system.
What This Part Does / Functions
• Drives the alternator from the engine pulley system
• Helps keep the battery charged while the engine is running
• Drives the engine cooling fan on air-cooled Porsche 911 models
• Supports correct engine cooling airflow
• Helps maintain stable electrical system performance
• Provides correct OE Porsche belt fitment for the listed pulley setup
• Replaces a worn, cracked, stretched, glazed or noisy belt
• Helps prevent belt slip, squeal and charging/cooling issues.
Why Replace This Part?
The alternator belt is a critical service item on air-cooled Porsche 911 models because it drives both the alternator and the cooling fan. Over time, the belt can crack, glaze, stretch, fray or lose grip on the pulleys. A worn or slipping belt can cause charging problems and may reduce cooling fan speed, which can lead to engine temperature concerns. Replacing the belt with a Genuine Porsche OE alternator belt helps restore correct belt drive, reliable battery charging and proper cooling fan operation.
When to Replace This Part
• If the belt is cracked, glazed, frayed or visibly worn
• If the belt squeals or slips during engine operation
• If the battery or charging warning light appears
• If the belt tension can no longer be set correctly
• During scheduled service or preventative maintenance
• When replacing alternator, fan pulley, shims or related belt-drive hardware
• If the belt has been contaminated by oil, fuel or debris
• When recommissioning a stored classic Porsche 911.
Where It Fits on the Car
This belt fits on the rear engine alternator / cooling fan pulley system. It runs between the crankshaft pulley and the fan/alternator pulley assembly, driving the alternator and cooling fan.
Related reference numbers
Related, superseded, cross reference or alternative numbers for comparison.
99919209750
99919209750
The product you are viewing cross references to these numbers
Vehicle Group
Vehicle Group
- Porsche 911 1974-1977 2.7L / 1976-77 3.0 Carrera
- Porsche 911 1978-1983 3.0L / SC
- Porsche 911 1975-1977 3.0L Turbo (930)
- Porsche 911 1978-1989 3.3L Turbo (930)
Price: £13.31
Orderable - 14 to 28 Days
Shop Securely
12 Month Warranty
Worldwide Delivery
Related products
94410532303
Product Information
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
Product Information
Cam beltGenuine 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
94410532302
94410515706
94410532300
94410532301
94410532303
The product you are viewing cross references to these numbers
Vehicle Group
Vehicle Group
- 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
Price: £58.67
In Stock - 24 Hour Dispatch
Shop Securely
12 Month Warranty
Worldwide Delivery
94410221904
Product Information
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
Product Information
Balance shaft belt.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
94410221904
The product you are viewing cross references to these numbers
Vehicle Group
Vehicle Group
- 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
Price: £162.76
In Stock - 24 Hour Dispatch
Shop Securely
12 Month Warranty
Worldwide Delivery
99919223650
Product Information
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
Product Information
Power Steering Belt. 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
99919223650
The product you are viewing cross references to these numbers
Vehicle Group
Vehicle Group
- 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
Price: £15.22
In Stock - 24 Hour Dispatch
Shop Securely
12 Month Warranty
Worldwide Delivery
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