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Injection pump belt. Porsche 911 1969-77 - 99919203040
99919203040/2
Vehicle Group
- Porsche 911 1968-1973 2.2L / 2.4L / 2.7L RS LWB (F)
- Porsche 911 1974-1977 2.7L / 1976-77 3.0 Carrera
Information
Injection pump belt
This OE Match injection pump belt is a replacement drive belt for the mechanical fuel injection system on Porsche 911 models from 1969 to 1977. It is designed to match the original-style fitment and function. This replacement belt helps drive the mechanical fuel injection pump, supporting correct fuel delivery and reliable engine running.
Fits:
Porsche 911 1969 - 1977
Diagram ref no 21
The injection pump belt transfers rotational drive to the fuel injection pump. This allows the pump to operate in sync with the engine and deliver fuel correctly. A good belt is essential for accurate fuel delivery, smooth running, and dependable engine performance on models using mechanical fuel injection.
Functions
• Replaces the injection pump drive belt
• Drives the mechanical fuel injection pump
• Supports correct fuel delivery and engine running
• Helps maintain injection pump timing and operation
• Replaces cracked, worn, stretched, frayed, or missing belts
• Suitable for fuel injection system service and preventative maintenance
• OE Match replacement for classic Porsche 911 engine service.
Why Replace This Part?
Injection pump belts wear over time due to heat, age, tension changes, pulley contact, vibration, and engine bay conditions. A worn belt can crack, stretch, fray, slip, or fail completely. If the belt fails, the injection pump may stop operating correctly, causing poor running, loss of fuel delivery, difficult starting, or engine stoppage. Replacing the belt helps maintain reliable mechanical fuel injection performance.
When to Replace This Part
• The injection pump belt is cracked, glazed, frayed, loose, or worn
• Fuel injection pump service or adjustment is being carried out
• Engine running is poor due to suspected injection pump drive issues
• The belt tension is incorrect or unstable
• The injection pump, pulleys, or related components are being serviced
• Preventative belt replacement is being carried out during scheduled maintenance
• The vehicle is undergoing Porsche 911 fuel injection or engine restoration.
Where it fits on the car
This belt fits within the mechanical fuel injection pump drive system on Porsche 911 models from 1969 to 1977. It runs around the relevant injection pump drive pulleys according to the factory engine layout.
Related reference numbers
Related, superseded, cross reference or alternative numbers for comparison.
99919203040
The product you are viewing cross references to these numbers
This OE Match injection pump belt is a replacement drive belt for the mechanical fuel injection system on Porsche 911 models from 1969 to 1977. It is designed to match the original-style fitment and function. This replacement belt helps drive the mechanical fuel injection pump, supporting correct fuel delivery and reliable engine running.
Fits:
Porsche 911 1969 - 1977
Diagram ref no 21
The injection pump belt transfers rotational drive to the fuel injection pump. This allows the pump to operate in sync with the engine and deliver fuel correctly. A good belt is essential for accurate fuel delivery, smooth running, and dependable engine performance on models using mechanical fuel injection.
Functions
• Replaces the injection pump drive belt
• Drives the mechanical fuel injection pump
• Supports correct fuel delivery and engine running
• Helps maintain injection pump timing and operation
• Replaces cracked, worn, stretched, frayed, or missing belts
• Suitable for fuel injection system service and preventative maintenance
• OE Match replacement for classic Porsche 911 engine service.
Why Replace This Part?
Injection pump belts wear over time due to heat, age, tension changes, pulley contact, vibration, and engine bay conditions. A worn belt can crack, stretch, fray, slip, or fail completely. If the belt fails, the injection pump may stop operating correctly, causing poor running, loss of fuel delivery, difficult starting, or engine stoppage. Replacing the belt helps maintain reliable mechanical fuel injection performance.
When to Replace This Part
• The injection pump belt is cracked, glazed, frayed, loose, or worn
• Fuel injection pump service or adjustment is being carried out
• Engine running is poor due to suspected injection pump drive issues
• The belt tension is incorrect or unstable
• The injection pump, pulleys, or related components are being serviced
• Preventative belt replacement is being carried out during scheduled maintenance
• The vehicle is undergoing Porsche 911 fuel injection or engine restoration.
Where it fits on the car
This belt fits within the mechanical fuel injection pump drive system on Porsche 911 models from 1969 to 1977. It runs around the relevant injection pump drive pulleys according to the factory engine layout.
Related reference numbers
Related, superseded, cross reference or alternative numbers for comparison.
99919203040
99919203040
The product you are viewing cross references to these numbers
Price: £9.55
In stock
Related products
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
Information
Cam belt
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
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
94410532302
94410515706
94410532300
94410532301
94410532303
The product you are viewing cross references to these numbers
Price: £58.67
In stock
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
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
The product you are viewing cross references to these numbers
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
Price: £162.76
In stock
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
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
The product you are viewing cross references to these numbers
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
Price: £15.24
In stock