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HD Semi-solid gearbox mount set. Porsche 911 1987-89 G50 - 91137503110
91137503110/1
Vehicle Group
- Porsche 911 1987-1989 3.2L G50
Information
HD Semi-Solid Gearbox Mount Set Of 2 (4 Halves).
Fits to gearbox mount 91137503109
Fits:
Porsche 911 1987-89 Only for G50 Gearbox equipped cars
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 hangers replacing worn out factory rubber.
What This Product Does:
Symptoms Of Wear Or Failure:
Why Replacement Matters:
Related reference numbers
Related, superseded, cross reference or alternative numbers for comparison.
91137503110
The product you are viewing cross references to these numbers
Fits to gearbox mount 91137503109
Improve gearbox support and drivetrain control with this OE Match HD Semi-Solid Gearbox Mount Set. Supplied as a set of 2 mounts comprising 4 halves, these heavy-duty semi-solid mounts are designed for compatible Porsche applications where increased drivetrain stability and more direct response are required.
Fits:
Porsche 911 1987-89 Only for G50 Gearbox equipped cars
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 hangers replacing worn out factory rubber.
What This Product Does:
- Secures and supports the gearbox within the chassis.
- Is supplied as 2 mounts consisting of 4 halves.
- Provides increased rigidity compared with softer conventional mounts.
- Helps reduce excessive gearbox movement under load.
- Improves drivetrain stability during acceleration and deceleration.
- Helps provide more consistent transmission positioning during gear changes.
- Can contribute to a more direct and precise drivetrain feel.
- Helps control movement during spirited or performance driving.
- Provides a heavy-duty solution for compatible fast-road and motorsport applications.
- Replaces worn, softened, cracked or damaged gearbox mounts.
- Helps maintain more consistent drivetrain alignment.
- Provides an OE Match performance-oriented replacement solution.
Symptoms Of Wear Or Failure:
- Excessive drivetrain movement.
- Clunking or knocking during acceleration or deceleration.
- Movement or jolting when changing gear.
- Gear lever movement as engine load changes.
- Increased drivetrain movement when engaging the clutch.
- Unusual vibration from the transmission area.
- Gear selection feeling less precise or consistent.
- Thumping noises when applying or releasing the throttle.
- Cracked, split or deteriorated original rubber mounts.
- Mount material separating from its associated hardware.
- Visible deformation or sagging.
- Excessive gearbox movement discovered during inspection.
- Damage following heavy road, track or competition use.
Why Replacement Matters:
- Gearbox mounts must keep the transmission securely located while controlling the forces generated by the drivetrain. When conventional mounts deteriorate, excessive gearbox movement can develop.
- This unwanted movement may be felt as clunks, jolts or changes in gear lever position during acceleration, braking and gear changes. It can also place additional movement and stress on associated components such as gear linkages, hoses, wiring and drivetrain connections.
- For performance driving, excessive transmission movement can reduce the precision of the connection between the driver and drivetrain. A gearbox that moves significantly under load may contribute to less consistent shifting and a less controlled response when transitioning on and off the throttle.
- The semi-solid design of this mount set reduces compliance, helping hold the gearbox more securely relative to the chassis. This can improve drivetrain response and provide a firmer, more direct feel.
- However, increased rigidity also means less isolation between the drivetrain and vehicle body. As a result, more mechanical noise and vibration may be transmitted into the cabin compared with standard rubber mounts. This characteristic should be considered when choosing semi-solid mounts for a road vehicle.
Related reference numbers
Related, superseded, cross reference or alternative numbers for comparison.
91137503110
91137503109
The product you are viewing cross references to these numbers
Price: £100.70
In stock
Related products
Vehicle Group
- Porsche 356 1950-55
- Porsche 356A 1955-59
- Porsche 356B 1959-63
- Porsche 356C 1963-65
Information
Front transmission mount, Dual mount.
Fits:
Porsche 356 / 356A 1950-59
Porsche 356B / 356C 1960-65
Click 'Zoom in' for large parts diagram.
Diagram ref no 43
2 Required. Price shown is for each.
Related reference numbers
Related, superseded, cross reference or alternative numbers for comparison.
51920016
The product you are viewing cross references to these numbers
Fits:
Porsche 356 / 356A 1950-59
Porsche 356B / 356C 1960-65
Click 'Zoom in' for large parts diagram.
Diagram ref no 43
2 Required. Price shown is for each.
Related reference numbers
Related, superseded, cross reference or alternative numbers for comparison.
51920016
51920016
The product you are viewing cross references to these numbers
Price: £267.25
Orderable
Vehicle Group
- Porsche 356 1950-55
- Porsche 356A 1955-59
- Porsche 356B 1959-63
- Porsche 356C 1963-65
Information
Transmission case rubber mount.
The transmission mount helps hold the manual gearbox in place, ensuring it stays securely positioned under side load and torque. It also absorbs engine and drivetrain vibration, preventing it from transmitting into the cabin or other chassis components. By maintaining proper transmission alignment, it supports smooth gear shifting and reduces stress on linkage and drivetrain parts.
Fits:
Porsche 356 1.1-2.0L 08/1950 - 04/1965
Diagram ref no 49
Installed between the transmission housing and the vehicle’s chassis or subframe, this mount:
• Secures the manual transmission in its correct position
• Dampens vibration and noise from the drivetrain
• Helps maintain accurate drivetrain alignment
• Reduces wear on surrounding mounts, brackets, and hardware
Related reference numbers
Related, superseded, cross reference or alternative numbers for comparison.
5192009
The product you are viewing cross references to these numbers
The transmission mount helps hold the manual gearbox in place, ensuring it stays securely positioned under side load and torque. It also absorbs engine and drivetrain vibration, preventing it from transmitting into the cabin or other chassis components. By maintaining proper transmission alignment, it supports smooth gear shifting and reduces stress on linkage and drivetrain parts.
Fits:
Porsche 356 1.1-2.0L 08/1950 - 04/1965
Diagram ref no 49
Installed between the transmission housing and the vehicle’s chassis or subframe, this mount:
• Secures the manual transmission in its correct position
• Dampens vibration and noise from the drivetrain
• Helps maintain accurate drivetrain alignment
• Reduces wear on surrounding mounts, brackets, and hardware
Related reference numbers
Related, superseded, cross reference or alternative numbers for comparison.
5192009
51920095
51920096
519 20095
519 20096
The product you are viewing cross references to these numbers
Prices from: £65.00
Vehicle Group
- Porsche 356 1950-55
- Porsche 356A 1955-59
- Porsche 356B 1959-63
- Porsche 356C 1963-65
Information
Additional spring mount seat
Fits:
Porsche 356SC and Super 90 with Camber Compensator
2 Required. Price shown is for each.
Click 'Zoom in' for large parts diagram.
Diagram ref no 13
Related reference numbers
Related, superseded, cross reference or alternative numbers for comparison.
69533320500GRV
The product you are viewing cross references to these numbers
Fits:
Porsche 356SC and Super 90 with Camber Compensator
2 Required. Price shown is for each.
Click 'Zoom in' for large parts diagram.
Diagram ref no 13
Related reference numbers
Related, superseded, cross reference or alternative numbers for comparison.
69533320500GRV
69533320500GRV
The product you are viewing cross references to these numbers
Price: £24.35
Orderable