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Gearbox Mounts
By OE Match
- 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)
New sport version with shifter rubber mounts, great for trackdays and high speed driving. Fits engine mounts OR transmission mounts ,shifting for more smoother and exact shifting.
You will need 2 for the engine 3.0L or 3.2L
You will need 2 for the 915 transmission (Note: This mount is not compatible with the later G50 gearbox)
Fits:
Porsche 911 1978-89
Porsche 911 Cabrio 1978-89
Diagram Ref No 8
Related reference numbers
Related, superseded, cross reference or alternative numbers for comparison.
91137504306
The product you are viewing cross references to these numbers
- Porsche 911 1965-1968 2.0L / 912 SWB (F)
- 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) RS 3.6L 1991-93
- Porsche 964 (911) RS 3.8L 1991-93
- Porsche 993 (911) RS 1994-97
Fits above and below the engine/transmission mounts.

Fits:
Porsche 911 1965-89
Porsche 911 (930) Turbo 1975-89
Porsche 964 CARRERA RS
Porsche 993 CARRERA RS
Click 'Zoom in' for large parts diagram.
Diagram Ref No 6
Price shown is for each.
Related reference numbers
Related, superseded, cross reference or alternative numbers for comparison.
90130531100PRM
The product you are viewing cross references to these numbers
- Porsche 911 1965-1968 2.0L / 912 SWB (F)
- 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)
Gearbox mount hexagon-head bolt nut (part number 90007606402), designed for Porsche 911, 912, and 930 models (1965–1989). Manufactured to match original Porsche specifications, this M8 nut provides precise thread engagement, corrosion resistance, and dependable fastening strength for gearbox mounting applications.
Sold each.
Fits:
Porsche 911/912 1965 - 1989
Porsche 911 (930) Turbo 1975 - 1989
Diagram Ref No 9
Ideal for gearbox mount installations, transmission rebuilds, or hardware restorations on classic air-cooled Porsche models.
Over time, gearbox mounting hardware can corrode or lose torque retention due to heat, vibration, and age. A fresh nut ensures secure fastening and proper alignment of gearbox mounts. Replace during gearbox removal, rebuild, or mount replacement to maintain reliability and prevent drivetrain movement or noise.
Related reference numbers
Related, superseded, cross reference or alternative numbers for comparison.
90007606402
The product you are viewing cross references to these numbers
- Porsche 911 1965-1968 2.0L / 912 SWB (F)
- 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)
One kit includes 2 halves of mount, (2 kits required per car).
Fits:
Work as engine mounts in 1965-1989 911/912/930
Work as transmission mounts in 1972-1986 911/912/930 (915/930 Transmission Only)
Fits to number 8 on the diagram.
High Density engine/transmission mounts are the perfect compromise between stock rubber and our Semi-Solid mounts. Their heavy duty 25% higher durometer rubber construction makes them ideal for performance oriented cars, but still allows absorption of vibrations and noise associated with solid mounts. Installs in stock motor mount or transmission mount hangers replacing worn out factory rubber.
Related reference numbers
Related, superseded, cross reference or alternative numbers for comparison.
91137504306
The product you are viewing cross references to these numbers
-
chain case, camshaft housing 911 TURBO 1975-77 103-05
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valve control left 911 TURBO 1975-77 103-10
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valve control right 911 TURBO 1975-77 103-15
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engine lubrication 911 TURBO 1975-77 104-00
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Mixture control unit, air cleaner 911 TURBO 1975-77 107-00
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K - JETRONIC 911 TURBO 1975-77 107-05
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air injection 911 TURBO 1975-77 108-00
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engine suspension 911 TURBO 1975-77 109-00
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exhaust system 911 TURBO 1975-77 202-00
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replacement transmission, transmission case 911 TURBO 1975-77 302-00
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gear housing, transmission cover 911 TURBO 1975-77 302-05
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gear wheel sets 911 TURBO 1975-77 303-05
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shift rods, shift forks 911 TURBO 1975-77 304-00
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transmission suspension 911 TURBO 1975-77 306-00
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front axle, stabiliser, auxiliary support, light alloy 911 TURBO 1975-77 401-00
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disc brake front 911 TURBO 1975-77 602-00
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disc brake rear, handbrake 911 TURBO 1975-77 603-00
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brake master cylinder for cars without brake booster 911 TURBO 1975-77 604-00
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brake master cylinder for cars with brake booster 911 TURBO 1977 ONWARDS 604-10
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transmission control 911 TURBO 1975-77 701-00
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pedals for left-hand drive cars 911 TURBO 1975-77 702-00
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pedals for right-hand drive cars 911 TURBO 1975-77 702-05
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air conditioner, compressor, driving mechanism, mounting 911 TURBO 1975-77 813-45
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engine electrics 911 TURBO 1975-77 901-00
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battery mounting plate 911 TURBO 1975-77 902-00
OEMatch Gearbox Mounts — Engagement, Smoothness, Control
OEMatch gearbox mounts for Porsche models reduce drivetrain vibration and help maintain transmission alignment under load. OEMatch gearbox mounts are compatible replacements engineered to original-spec dimensions and tolerances — a practical option when genuine or OEM parts are unavailable. Use these mounts to restore refined gearshift feel and to protect adjacent drivetrain components.
Available Types
- Rubber-mounted gearbox mount for road use
Understanding OEMatch Gearbox Mounts
OEM (Original Equipment Manufacturer) parts are made by the same company that produced your Porsche’s original gearbox mounts.
OE (Original Equipment) refers to parts matching original specifications for the gearbox mounts and may be supplied by alternative manufacturers. Aftermarket parts offer alternative options, sometimes with enhanced features or better value. OEMatch supplies non-OEM gearbox mounts engineered as direct-fit alternatives to OEM parts, made to original-spec dimensions and tolerances for Porsche models.
Gearbox mounts secure the transmission to the chassis while isolating vibration and absorbing torque movement. They control drivetrain movement under acceleration, braking and cornering and help maintain driveshaft and linkage alignment. When mounts deteriorate, you may notice clunking, increased vibration or harsher shifting; prolonged movement can place additional load on exhaust, shafts and linkage components.
Benefits Include
- Restores smooth, vibration-reduced gear changes
- Maintains correct driveshaft and linkage alignment
- Reduces stress on transmission and adjacent components
Why Gearbox Mounts Wear and Fail
- Rubber deterioration and cracking from heat and age
- Oil contamination that softens mount compounds
- Fatigue or fluid loss in hydraulic-mounted designs
The Importance of Replacing with OEMatch Gearbox Mounts
Replacing worn gearbox mounts restores drivetrain stability and smoother shifting, reducing noise, vibration and harshness that affects comfort and control. Timely replacement helps prevent secondary damage to exhaust, linkage and driveshaft fittings and supports predictable throttle response and handling on Porsche models.
Advantages
- Replacement rubber and reinforced designs for varied use
- Options suitable for classic and modern Porsche models
- Direct-fit alternatives made to original-spec dimensions and tolerances