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Angled Drive for tacho / Rev Counter Drive shaft. Porsche 911 01/1963-08/1973 - 91131802900
91131802900/1
Vehicle Group
- Porsche 911 1965-1968 2.0L / 912 SWB (F)
- Porsche 911 1968-1973 2.2L / 2.4L / 2.7L RS LWB (F)
Information
Angled Drive For Tacho / Rev Counter Drive Shaft.
The OE Match Angled Drive for Tacho / Rev Counter Drive Shaft is a premium-quality replacement mechanical instrument drive component designed to transmit rotational movement from the engine to the tachometer (rev counter) on compatible classic Porsche models. Manufactured to OE specifications for fit, accuracy and durability, this angled drive ensures reliable operation of the mechanical rev counter, allowing accurate engine speed readings while maintaining the original factory instrumentation.
Fits:
Diagram Ref No 20
Manufactured from high-quality precision-machined steel with durable internal gears and bearings, the angled drive is engineered to withstand continuous rotational loads, engine vibration and prolonged operation. Precision-built for direct OE-style installation, it provides smooth, accurate drive to the tachometer cable or drive shaft, making it an ideal replacement for worn, damaged or seized original units during restoration or instrument repairs.
What This Product Does:
Symptoms Of Wear Or Failure:
Why Replacement Matters:
Related reference numbers
Related, superseded, cross reference or alternative numbers for comparison.
91131802900
The product you are viewing cross references to these numbers
The OE Match Angled Drive for Tacho / Rev Counter Drive Shaft is a premium-quality replacement mechanical instrument drive component designed to transmit rotational movement from the engine to the tachometer (rev counter) on compatible classic Porsche models. Manufactured to OE specifications for fit, accuracy and durability, this angled drive ensures reliable operation of the mechanical rev counter, allowing accurate engine speed readings while maintaining the original factory instrumentation.
Fits:
- Porsche 911 1965-1968 2.0L / 912 SWB (F)
- Porsche 911 1968-1973 2.2L / 2.4L / 2.7L RS LWB (F)
Diagram Ref No 20
Manufactured from high-quality precision-machined steel with durable internal gears and bearings, the angled drive is engineered to withstand continuous rotational loads, engine vibration and prolonged operation. Precision-built for direct OE-style installation, it provides smooth, accurate drive to the tachometer cable or drive shaft, making it an ideal replacement for worn, damaged or seized original units during restoration or instrument repairs.
What This Product Does:
- Transfers rotational drive from the engine to the mechanical tachometer.
- Provides accurate engine speed (RPM) readings.
- Changes the direction of drive through a precision-machined angled gearbox.
- Supports reliable operation of the rev counter.
- Maintains factory instrument accuracy.
- Ensures smooth transmission of mechanical drive.
- Restores OE-style functionality of the tachometer system.
- Forms an essential part of the mechanical rev counter drive system.
Symptoms Of Wear Or Failure:
- Inoperative tachometer or rev counter.
- Erratic or fluctuating RPM readings.
- No movement of the rev counter needle.
- Clicking, grinding or whining noises from the drive.
- Seized or stiff drive mechanism.
- Excessive wear in the internal gears.
- Oil leaks from the drive assembly where applicable.
- Damaged or worn drive shaft connection.
- Inconsistent engine speed indication.
- Reduced reliability of the instrument system.
Why Replacement Matters:
- The angled drive operates continuously whenever the engine is running, transmitting rotational movement through precision gears to the mechanical tachometer. Over time, normal wear, insufficient lubrication, contamination or age can cause the internal gears and bearings to wear or seize, resulting in inaccurate or complete loss of tachometer operation.
- A faulty angled drive can prevent the driver from accurately monitoring engine speed, increasing the risk of over-revving the engine and reducing confidence during spirited driving or gear changes. Continued use of a worn drive may also damage the tachometer cable or associated instrument components.
- Replacing a worn or damaged angled drive restores accurate rev counter operation and preserves the originality of the vehicle's mechanical instrumentation. The OE Match replacement provides factory-style fitment, precision-engineered internal components and long-lasting durability, making it the ideal solution for Porsche restoration, instrument repair and preventative maintenance.
Related reference numbers
Related, superseded, cross reference or alternative numbers for comparison.
91131802900
91131802900
The product you are viewing cross references to these numbers
Price: £48.91
In stock
Related products
Vehicle Group
- Porsche 911 1987-1989 3.2L G50
- Porsche 911 1978-1989 3.3L Turbo (930)
- Porsche 964 (911) C2 1989-93
- Porsche 964 (911) C4 1989-93
- Porsche 964 (911) RS 3.6L 1991-93
- Porsche 964 (911) RS 3.8L 1991-93
- Porsche 964 (911) TURBO 3.3L 1991-93
- Porsche 964 (911) TURBO 3.6L 1991-93
- Porsche 993 (911) C2 1994-97
- Porsche 993 (911) C4 1994-97
- Porsche 993 (911) RS 1994-97
- Porsche 993 (911) C2S 1994-97
- Porsche 993 (911) C4S 1994-97
- Porsche 993 (911) TURBO 1994-96
- Porsche 993 (911) GT2 1994-97
- Porsche 993 (911) TURBO S 1994-97
- Porsche 996 TURBO 2000-05
- Porsche 996 GT2 2001-05
- Porsche 996 GT3 MKI 1999-02
- Porsche 996 GT3 MKII 2003>>
- Porsche 996 GT3 RS 2003-04
- Porsche 997 MK1 TURBO 2007-09
- Porsche 997 MK1 GT3 / GT3 RS 2007-09
- Porsche 997 MK1 GT2 2007-09
- Porsche 997 MKII GT3 / GT3 RS 2010-11
- Porsche 997 MKII Turbo 2010-13
- Porsche 997 MKII GT2 RS 2011-13
Information
Manual transmission main shaft seal. 26.5 x 40 mm.
Its function is to act as a primary seal to retain oil around the input (main) shaft of a manual transmission, preventing fluid leaks and protecting driveline components.
Fits:
Porsche 911 Carrera / Turbo 1987 - 1989
Porsche 964 Carrera / Turbo 1989 - 1994
Porsche 993 Carrera / Turbo 1995 - 1998
Porsche 996 Turbo / GT2 / GT3 2001 - 2005
Porsche 997.1 Turbo / GT2 2007 - 2009
Porsche 997.2 Turbo / GT2 2010 - 2013
Porsche 996 GT3 1999 - 2005
Porsche 997 GT3 2007 - 2011
Diagram ref no 12
Application:
• Manual transmission input shaft oil seal
• Cross-referenced with superseded part number: 99911332640
The input shaft seal sits around the input/main shaft where it enters the transmission case. Its job is to keep transmission fluid from leaking out and to prevent contamination from entering the gearbox. By maintaining a secure seal around the rotating shaft, this component helps preserve optimal lubrication, reduce wear, and support smooth gear operation.
In a manual transmission, the input shaft takes power from the clutch and delivers it into the gearbox. The seal must endure rotation, pressure changes, heat, and exposure to transmission fluid, forming a durable barrier that keeps oil inside while preventing dirt and debris from entering. A properly functioning input shaft seal is crucial for transmission longevity and performance.
Over time and mileage, seals can harden, crack, or lose elasticity due to heat, oil exposure, and mechanical wear. A failed input shaft seal can lead to:
• Transmission fluid leaks
• Low fluid levels
• Increased gearbox noise
• Premature wear on gears and bearings
• Potential drivetrain damage
Replacing worn or leaking seals restores proper fluid containment and protects the integrity of the transmission system, preserving performance and reducing the risk of costly repairs.
Replace the input shaft seal if you notice:
• Visible transmission fluid leaks at the bellhousing area
• Low transmission fluid levels
• Gearbox whine or unusual noises
• Transmission slipping or crunching in gear shifts
• After transmission removal or overhaul
Related reference numbers
Related, superseded, cross reference or alternative numbers for comparison.
99911332641
The product you are viewing cross references to these numbers
Its function is to act as a primary seal to retain oil around the input (main) shaft of a manual transmission, preventing fluid leaks and protecting driveline components.
Fits:
Porsche 911 Carrera / Turbo 1987 - 1989
Porsche 964 Carrera / Turbo 1989 - 1994
Porsche 993 Carrera / Turbo 1995 - 1998
Porsche 996 Turbo / GT2 / GT3 2001 - 2005
Porsche 997.1 Turbo / GT2 2007 - 2009
Porsche 997.2 Turbo / GT2 2010 - 2013
Porsche 996 GT3 1999 - 2005
Porsche 997 GT3 2007 - 2011
Diagram ref no 12
Application:
• Manual transmission input shaft oil seal
• Cross-referenced with superseded part number: 99911332640
The input shaft seal sits around the input/main shaft where it enters the transmission case. Its job is to keep transmission fluid from leaking out and to prevent contamination from entering the gearbox. By maintaining a secure seal around the rotating shaft, this component helps preserve optimal lubrication, reduce wear, and support smooth gear operation.
In a manual transmission, the input shaft takes power from the clutch and delivers it into the gearbox. The seal must endure rotation, pressure changes, heat, and exposure to transmission fluid, forming a durable barrier that keeps oil inside while preventing dirt and debris from entering. A properly functioning input shaft seal is crucial for transmission longevity and performance.
Over time and mileage, seals can harden, crack, or lose elasticity due to heat, oil exposure, and mechanical wear. A failed input shaft seal can lead to:
• Transmission fluid leaks
• Low fluid levels
• Increased gearbox noise
• Premature wear on gears and bearings
• Potential drivetrain damage
Replacing worn or leaking seals restores proper fluid containment and protects the integrity of the transmission system, preserving performance and reducing the risk of costly repairs.
Replace the input shaft seal if you notice:
• Visible transmission fluid leaks at the bellhousing area
• Low transmission fluid levels
• Gearbox whine or unusual noises
• Transmission slipping or crunching in gear shifts
• After transmission removal or overhaul
Related reference numbers
Related, superseded, cross reference or alternative numbers for comparison.
99911332641
99911332641
99911332640
The product you are viewing cross references to these numbers
Price: £7.75
In stock
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
- Porsche 911 1978-1983 3.0L / SC
- Porsche 911 1984-1986 3.2L
- Porsche 911 1987-1989 3.2L G50
- Porsche 911 1975-1977 3.0L Turbo (930)
- Porsche 911 1978-1989 3.3L Turbo (930)
- Porsche 964 (911) C2 1989-93
- Porsche 964 (911) C4 1989-93
- Porsche 964 (911) RS 3.6L 1991-93
- Porsche 964 (911) RS 3.8L 1991-93
- Porsche 964 (911) TURBO 3.3L 1991-93
- Porsche 964 (911) TURBO 3.6L 1991-93
- Porsche 993 (911) C2 1994-97
- Porsche 993 (911) C4 1994-97
- Porsche 993 (911) RS 1994-97
- Porsche 993 (911) C2S 1994-97
- Porsche 993 (911) C4S 1994-97
- Porsche 993 (911) TURBO 1994-96
- Porsche 993 (911) GT2 1994-97
- Porsche 993 (911) TURBO S 1994-97
Information
Gearbox Ground Strap.
Fits:
Porsche 911 - 1970 to 1989
Related reference numbers
Related, superseded, cross reference or alternative numbers for comparison.
99961192020
The product you are viewing cross references to these numbers
Fits:
Porsche 911 - 1970 to 1989
Porsche 911 turbo - 1975 to 1989
Porsche 964 - 1989 to 1994 Manual Transmission
Porsche 993 - 1994 to 1998 Manual Transmission
Click 'Zoom in' for large parts diagram.
Diagram ref no 40
Related reference numbers
Related, superseded, cross reference or alternative numbers for comparison.
99961192020
99961192020
The product you are viewing cross references to these numbers
Price: £11.80
In stock
Vehicle Group
- Porsche 911 1987-1989 3.2L G50
- Porsche 911 1978-1989 3.3L Turbo (930)
- Porsche 964 (911) C2 1989-93
- Porsche 993 (911) C2 1994-97
- Porsche 993 (911) C4 1994-97
- Porsche 993 (911) RS 1994-97
- Porsche 993 (911) C2S 1994-97
- Porsche 993 (911) C4S 1994-97
- Porsche 993 (911) TURBO 1994-96
- Porsche 993 (911) GT2 1994-97
- Porsche 993 (911) TURBO S 1994-97
Information
Gasket gearbox casing.
Fits:
Porsche 911 - 1987 to 1989 (G50 gearbox)
Porsche 911 turbo - 1989 (G50 gearbox)
Porsche 964 Carrera 2 - 1990 to 1994
Porsche 993 C2 / C4 / RS - 1994 to 1997
Porsche 993 turbo - 1994 to 1997
Related reference numbers
Related, superseded, cross reference or alternative numbers for comparison.
95030119101
The product you are viewing cross references to these numbers
Fits:
Porsche 911 - 1987 to 1989 (G50 gearbox)
Porsche 911 turbo - 1989 (G50 gearbox)
Porsche 964 Carrera 2 - 1990 to 1994
Porsche 993 C2 / C4 / RS - 1994 to 1997
Porsche 993 turbo - 1994 to 1997
Click 'Zoom in' for large parts diagram.
Diagram ref no 16
Related reference numbers
Related, superseded, cross reference or alternative numbers for comparison.
95030119101
95030119101
The product you are viewing cross references to these numbers
Price: £4.75
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