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Gearbox Anchors / Stops / Blocks
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
Fits:
Porsche 911 1974-86 (915 Gearbox)
Click 'Zoom in' to see the diagram.
Diagram ref no 45.
Related reference numbers
Related, superseded, cross reference or alternative numbers for comparison.
92830232100
The product you are viewing cross references to these numbers
- Porsche 911 1974-1977 2.7L / 1976-77 3.0 Carrera
- Porsche 911 1978-1983 3.0L / SC
- Porsche 911 1984-1986 3.2L
3 per gearbox
Fits:
Porsche 911 1974-86 (915 Gearbox)
Click "Zoom in" to see the diagram.
Diagram Ref no 9.
Related reference numbers
Related, superseded, cross reference or alternative numbers for comparison.
91130231701
The product you are viewing cross references to these numbers
- Porsche 911 1974-1977 2.7L / 1976-77 3.0 Carrera
- Porsche 911 1978-1983 3.0L / SC
- Porsche 911 1984-1986 3.2L
Supports the synchroniser and gear assembly within the gearbox, particularly relating to first and second gear. It is manufactured as a direct-fit component designed to replicate the form, fit, and function of the factory part.
Sold each, 2 required per gearbox
Fits:
Porsche 911 1974 - 1986 (915 Gearbox)
Diagram ref no 44.
Inside the 915 manual gearbox, the thrust block plays a critical role in maintaining correct alignment and support for the synchroniser assembly, particularly between first and second gears. It helps maintain correct spacing and load distribution on internal transmission components, ensuring consistent gear engagement and smooth shifts.
By accurately positioning and supporting the gears and synchronisers, this thrust block helps reduce internal wear and supports reliable transmission operation - especially under spirited driving conditions common in performance Porsche use.
Transmission internals operate under high rotational and axial loads, meaning even small variations in spacing or fit can lead to friction, wear, or mis-engagement. A worn or poorly fitting thrust block can cause:
• Gear engagement issues
• Increased synchroniser or gear wear
• Rough or imprecise shifting
• Premature transmission component failure.
Replace this transmission thrust block if you are:
• Performing a full gearbox rebuild
• Noticing rough or imprecise shifting in first/second gear
• Reassembling a gearbox with worn internal components
• Addressing synchroniser wear or axial play
Related reference numbers
Related, superseded, cross reference or alternative numbers for comparison.
91530231502
The product you are viewing cross references to these numbers
- Porsche 911 1974-1977 2.7L / 1976-77 3.0 Carrera
- Porsche 911 1978-1983 3.0L / SC
- Porsche 911 1984-1986 3.2L
3 per gearbox
Fits:
Porsche 911 1974-86 (915 Gearbox)
Click "Zoom in" to see the diagram.
Diagram Ref no 9.
Related reference numbers
Related, superseded, cross reference or alternative numbers for comparison.
93030232511
The product you are viewing cross references to these numbers
OEMatch Gearbox Anchors, Stops & Blocks — Engagement, Smoothness, Control
Gearbox anchors, stops and blocks secure the transmission in Porsche models and keep the drivetrain aligned under torque. OEMatch supplies a focused selection chosen to restore transmission positioning, reduce vibration and help maintain smooth gear engagement for road, restoration and performance use.
Available Types- Anchor plates and mounting brackets
- Stop blocks and limiters
- Mounting pads and isolation blocks
- Reinforcement plates and alignment shims
OEM (Original Equipment Manufacturer) parts are made by the same company that produced your Porsche's original gearbox anchors, stops and blocks.
OE (Original Equipment) refers to parts matching original specifications for the gearbox anchors, stops and blocks and may be supplied by alternative manufacturers. Aftermarket parts offer alternative options, sometimes with enhanced features or better value. OEMatch supplies non-OEM gearbox anchors, stops and blocks engineered as direct-fit alternatives to OEM parts, made to original-spec dimensions and tolerances for Porsche models.
These components are typically formed from high-strength steel, aluminium or reinforced polymer and are designed to control gearbox movement, absorb torque loads and protect neighbouring mounts, linkages and couplings.
- Restores correct gearbox alignment and mounting geometry
- Reduces driveline vibration and transmitted noise
- Protects mounts, couplings and nearby components from excess stress
- Supports consistent gear engagement and shifting feel
- Metal fatigue or cracking from repeated torque loading
- Corrosion or oxidation from exposure to moisture and debris
- Degradation of rubber or polymer isolators in hybrid designs
- Physical damage or deformation due to impacts or misalignment
Replacing worn or damaged anchors, stops or blocks is essential to maintain transmission stability and prevent progressive wear elsewhere in the driveline. Fitting correct replacements restores alignment, reduces the risk of noise or shifting faults and limits stress on mounts and couplings. OEMatch focuses on Porsche applications and provides parts selected to match the mechanical and mounting requirements commonly found across Porsche models, supporting routine servicing, restoration and performance upgrades.
Advantages- Direct-fit replacements engineered to match original dimensions and tolerances for Porsche models
- Made to original-spec dimensions for consistent alignment and reduced vibration
- Compiled to reflect original specifications and procedures where applicable
