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Your Vehicle // Porsche // 911 & 912 (1965-1989) // 911 1978-1983 3.0L / SC
Floor Boards LHD Cars
Fits:
Porsche 911 1977-89 COUPE Manual Transmission
Porsche 911 Turbo 1984-89 COUPE Manual Transmission
Diagram ref no 15
Related reference numbers
Related, superseded, cross reference or alternative numbers for comparison.
91155106304
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
- Porsche 911 1987-1989 3.2L G50
- Porsche 911 1975-1977 3.0L Turbo (930)
- Porsche 911 1978-1989 3.3L Turbo (930)
OE Match reproduction floor board for the RIGHT side of left-hand-drive Porsche 911 Coupe manual cars, 1969–83. This replacement panel has plastic composite construction.
Fits
Porsche 911 1969-83 LHD Cars Coupe & Manual cars only
The supplied application groups below must be read alongside the Coupe, manual transmission and 1969–83 restrictions above; they do not confirm compatibility with every vehicle in each group.
- 911 1965-1968 2.0L / 912 SWB (F)
- 911 1968-1973 2.2L / 2.4L / 2.7L RS LWB (F)
- 911 1974-1977 2.7L / 1976-77 3.0 Carrera
- 911 1975-1977 3.0L Turbo (930)
- 911 1978-1989 3.3L Turbo (930)
- 911 1978-1983 3.0L / SC
Check fitment for your specific vehicle (model, year, engine) before ordering.
Diagram Ref No 22
What This Product Does
The board forms a shaped interior panel within the footwell, providing a base beneath the carpet. It replaces the corresponding damaged or missing board during interior repairs or restoration; it is not a replacement pedal mechanism.
Functions
- Provides a firm backing beneath the footwell covering.
- Reinstates the intended interior panel layout.
- Replaces a board affected by damage or distortion.
Technical Details
- Supplied part reference: 90155106422.
- Brand: OE Match.
- Construction: plastic composite.
- Position: RIGHT; for LHD vehicles.
- Specified application: Coupe bodywork with manual transmission.
- Internal diagram annotations: /LL/R 70-, /LL/R and /LL /R 69-; air-conditioning diagram entries identify COUPE applications.
Symptoms of Fault
- Noticeable movement or creaking from the board.
- Distorted edges or visible cracks.
- Damaged fixing locations.
- Damp marks around the board or adjacent carpet.
- Poor carpet seating caused by a damaged or incorrectly matched panel.
Why Replacement Matters
Renewing a deteriorated board helps restore a firm, correctly positioned base for the interior covering. Inspect the surrounding floor and attachment points before installation, and resolve moisture ingress rather than covering an existing problem. Pedal stiffness or poor return needs separate diagnosis and should not automatically be attributed to this panel.
FAQs
Can the existing board help confirm fitment?
Compare its shape and mounting locations, but first establish that the fitted board is the correct version.
Will replacement eliminate creaking?
It may address noise caused by board movement. Inspect the fixings and nearby trim as well.
What should be checked before fitting?
Confirm body style, transmission, year and LHD configuration. Dry the footwell and address any corrosion or damaged attachment points before assembly.
Related reference numbers
Related, superseded, cross reference or alternative numbers for comparison.
90155106422
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 1975-1977 3.0L Turbo (930)
- Porsche 911 1978-1989 3.3L Turbo (930)
Pedal section backing board for all Porsche 911 models from 1974–1989 with manual transmission. This a beautiful OEM specification board in laminated birchwood.
Available for Targa, Cabrio and Coupe models. Identical to Porsche part nr. 911.551.063.44 (Targa / Cabrio) and 911.551.063.03 / 911.551.063.04 (Coupe).
Available for LHD cars with manual transmission only.
This pedal floor board is made from form-pressed laminated birchwood just like the original. The boards are glued in multiple layers after which they are pressure molded and bent into the exact angle. All openings and edges are CNC finished to guarantee a factory authentic fit and finish.
To install, simply transfer the accelerator and clutch stop from your old board.
Related reference numbers
Related, superseded, cross reference or alternative numbers for comparison.
911551063
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
- Porsche 911 1987-1989 3.2L G50
- Porsche 911 1975-1977 3.0L Turbo (930)
- Porsche 911 1978-1989 3.3L Turbo (930)
Porsche LHD Floor Boards | Design911 Pedal Cluster Components for Performance and Protection
Floor boards within the pedal cluster are essential to the driving ergonomics, safety, and durability of your Porsche’s interior — especially in left-hand drive (LHD) configurations. These panels provide a rigid foundation beneath the pedals, supporting consistent pedal operation, protecting floor panels, and ensuring driver stability under high-performance conditions. Whether you’re restoring a classic Porsche or maintaining a track-ready machine, quality floor boards are key to maintaining control and comfort behind the wheel.
At Design911, we offer a premium selection of LHD floor boards, footwell panels, and pedal cluster supports designed for precise fitment and long-term resilience. Manufactured from lightweight aluminium, durable plywood, or reinforced composites, each board offers excellent rigidity and resistance to heat, moisture, and vibration. Ideal for performance upgrades, interior restoration, or motorsport preparation, these components ensure your Porsche’s pedal area performs perfectly and looks pristine.
What Do Floor Boards Do in the Pedal Cluster?
Floor boards form the structural base beneath the pedals, ensuring accurate alignment, consistent pedal movement, and improved driver ergonomics during all driving conditions.
Core Functions:
• Provide a stable platform for clutch, brake, and accelerator pedals.
• Prevent flexing or distortion of the footwell area.
• Protect the vehicle floor from wear, heat, and fluid exposure.
• Maintain proper pedal alignment for consistent driver feel.
• Add strength and safety to the LHD pedal cluster assembly.
Properly designed floor boards contribute to both comfort and precision — essential for confident driving on road and track.
Why Do Floor Boards Fail or Degrade?
Over years of use, floor boards are exposed to pressure, vibration, and environmental wear, which can lead to structural weakening or corrosion.
Common Causes of Failure Include:
• Moisture absorption leading to warping or delamination.
• Corrosion or cracking in metal or aluminium boards.
• Wear from constant foot pressure and pedal movement.
• Loose or damaged mounting points affecting pedal alignment.
• Heat or fluid exposure from braking and clutch systems.
A deteriorated floor board can cause unsafe pedal angles, uneven travel, or discomfort during driving — making timely replacement essential for performance and safety.
Why Replace or Upgrade Your Porsche LHD Floor Board?
Replacing your Porsche’s floor board ensures proper pedal geometry, safety, and driver comfort. Upgrading to stronger, lighter materials can also enhance durability and performance.
Key Benefits:
• Restores correct pedal position and smooth operation.
• Protects the footwell from wear, corrosion, and fluid damage.
• Improves driver ergonomics and comfort in LHD configurations.
• Available in aluminium, composite, and precision-cut wood designs.
• Direct-fit for Porsche 911, 944, 968, Cayman, and Boxster LHD models.
• Ideal for restorations, race preparation, and performance tuning.
Design911’s Porsche LHD floor boards are precision-engineered for strength, fit, and style — ensuring lasting performance under every driving condition.
Highlights
• Premium Porsche LHD floor boards and pedal cluster
components.
• Available in aluminium, wood, or composite construction.
• Precision-cut for exact fitment and easy installation.
• Resistant to warping, corrosion, and vibration.
• Suitable for both modern and classic Porsche models.
• Perfect for restoration, tuning, and motorsport applications.