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Gearbox Mounts
By OE Match
- Porsche 993 (911) C2 1994-97
OE Match replacement Hexagon-Head bolt washer designed for use with the gearbox/bracket support on Porsche 993 Carrera 2 (C2) models equipped with the Tiptronic automatic transmission. It provides proper load distribution under fastener heads in the transmission support area, ensuring secure mounting and stable drivetrain alignment.
Sold individually
Fits:
Porsche 993 C2 1994 - 1998 TIPTRONIC (Gearbox type A50.04 / A50.05)
Diagram ref no 16
This washer is ideal for service during gearbox mount repairs, bracket replacement, or when refreshing transmission support hardware on 993 C2 Tiptronic vehicles. It installs directly under the head of the corresponding hexagon-head bolt, improving clamping integrity and helping preserve correct transmission position.
The gearbox bracket support washer provides a stable bearing surface for the hexagon-head bolt, distributing clamping force evenly and protecting mounting surfaces from deformation. This helps maintain proper torque and supports reliable mounting of the gearbox support bracket.
Function
• Distributes clamp load under gearbox bracket hex bolt
• Protects bracket and chassis surfaces from fastener stress
• Helps maintain correct transmission support alignment
Related reference numbers
Related, superseded, cross reference or alternative numbers for comparison.
90002500703
The product you are viewing cross references to these numbers
- Porsche 993 (911) C2 1994-97
- Porsche 993 (911) RS 1994-97
Engineered to match the original Porsche specification, this high-quality bolt ensures correct fit, strength, and finish for secure attachment of the gearbox silencer block on the Porsche 993 Carrera 2 .
Sold each.
Fits:
Porsche 993 C2 1994-98 MANUAL (Gearbox type G50.20 / G51.21)
Porsche 993 Carrera RS 1995 MANUAL (Gearbox type G50.31 / G50.32 / G50.33)
Porsche 993 C2 1994-98 TIPTRONIC (Gearbox type A50.04 / A50.05)
Diagram Ref No 15.
Bolts used in drivetrain and gearbox assemblies are exposed to continuous vibration, torque stress, and environmental factors such as heat and corrosion. Over time, these conditions can weaken or stretch the bolt, reducing its ability to maintain proper clamping force. Using a degraded or mismatched bolt can cause mounting misalignment, vibration, or even component failure under load.
When to replace:
• During gearbox or silencer block removal, when original bolts show corrosion, wear, or damaged threads.
• As part of drivetrain servicing or restoration, ensuring all fasteners meet factory torque and material specifications.
• Whenever hardware is reused or mismatched, to maintain the correct preload and structural integrity of the assembly.
Replacing this hexagon-head bolt guarantees the proper tensile strength, precise thread pitch, and corrosion resistance — restoring safe, vibration-free mounting performance in your Porsche 993 Carrera 2 or related 911 model.
Related reference numbers
Related, superseded, cross reference or alternative numbers for comparison.
90037808801
The product you are viewing cross references to these numbers
- Porsche 964 (911) C2 1989-93
- 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) TURBO 1994-96
Fits:
Porsche 964 C2 1990-94 MANUAL (Gearbox type G50.03 / G50.04 / G50.05)
Porsche 964 Turbo 1991-92 MANUAL (Gearbox type G50.52)
Porsche 964 C2 1992-94 TIPTRONIC (Gearbox type A50.02 / A50.03)
Porsche 993 C2 1994-98 MANUAL (Gearbox type G50.20 / G51.21)
Porsche 993 C2 1994-98 TIPTRONIC (Gearbox type A50.04 / A50.05)
Diagram Ref No 23.
Related reference numbers
Related, superseded, cross reference or alternative numbers for comparison.
96437505581
The product you are viewing cross references to these numbers
- Porsche 964 (911) C2 1989-93
- Porsche 993 (911) C2 1994-97
Sold individually, one per car.
Fits:
Porsche 964 / 993 C2 Only
High Density 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 transmission mount bracket replacing worn out factory rubber.
Related reference numbers
Related, superseded, cross reference or alternative numbers for comparison.
96437505581
The product you are viewing cross references to these numbers
-
exhaust system heat exchanger 993 TURBO 1994-98 202-10
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replacement transmission ready for installation and transmission case for 993 CARRERA G50.20/21, 993 CARRERA 4 G64.20/21 (1995 onwards) and 993 CARRERA RS G50.31/32/33 1994-98 302-00
-
replacement transmission ready for installation and transmission case 993 TURBO G64.51 1994-98 302-01
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gear housing transmission cover for 993 CARRERA G50.20/21, 993 CARRERA RS G50.31/33, 993 CARRERA 4 G64.20/21 (1995 onwards) and 993 TURBO G64.51 1994-98 302-05
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gear shift and rod shift fork for 993 CARRERA G50.20/21, 993 CARRERA 4 G64.20/21 (1995 onwards), 993 CARRERA RS G50.31/32/33 and 993 TURBO G64.51 1994-98 304-00
-
transmission suspension 993 1994-98 307-00
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tiptronic transmission suspension 993 CARRERA A50.04/05 1994-98 370-00
-
brake fluid reservoir, brake master cylinder, brake booster 993 M339 (all-wheel drive), 993 CARRERA RS and 993 TURBO 1994-98 604-00
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brake fluid reservoir and brake master cylinder 993 1994-98 604-01
-
transmission control 993 M480 (6-speed manual transmission) 1994-98 701-00
-
engine electrics - 1 - for 993 CARRERA/4 M64.05/06/21/22 and 993 CARRERA RS M64.20 1994-98 901-00
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battery, wiring harnesses, starter, generator 993 1994-98 902-05
-
door glass frame 993 COUPE 1994-98 804-25
-
door glass frame 993 CABRIO/TARGA 1994-98 804-30
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refrigerant circuit front 993 1994-98 813-25
-
refrigerant circuit rear 993 1994-98 813-30
-
cruise control 993 M454 (Automatic speed control) 1994-98 907-00
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