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- Porsche 911 1965-1968 2.0L / 912 SWB (F)
- Porsche 912E 4CYL 1976
The 901 613 503 20 is a dashboard-mounted mechanical or push-pull switch used in early Porsche 911 / 911S / 911L and 912 models (1960s era) to activate the front fog lights. It is often grouped with the rear-window heating and warning-light switches, depending on vehicle specification.
In use, pulling or pressing the switch completes the circuit for the fog lights, sending power (via fuse and relay) to the fog lamp units. The switch usually has an internal light (“light-pipe”) or indicator so you can tell when fog lights are active.
Fits:
- Porsche 911 65-68 + 911S, 912 USA version 911L with red lighting strip
- Porsche 911 1965-1968 2.0L / 912 SWB (F)
- Porsche 912E 4CYL 1976
Why / when it should be replaced
· Even though the fog light switch is a relatively simple component, there are several reasons why it might need replacing:
· Internal wear or contact failure. Over time, the internal contacts inside the switch can wear, corrode, or lose tension, leading to poor electrical contact. If that happens, the fog lights may not activate when the switch is engaged.
· No illumination of the switch itself. On models where the switch includes a light-pipe or internal lamp so that you can see the switch position, failure of that internal illumination can make it harder to know whether the fog lights are on and may indicate internal switch failure.
· Switch stuck or mechanically broken. The pull/knob mechanism may become sticky, stuck, or physically break, especially after decades of use, or due to heat/cockpit environment ageing. A switch that doesn’t move properly or won’t stay in the “on” position cannot reliably activate the fog lights.
· Intermittent operation / flickering. Even if the switch appears to work, intermittent contact inside the switch might cause the fog lights to flicker, drop out, or not turn off properly.
· Fuse or wiring feedback problems. In some cases, a failing switch can lead to blown fog-light fuses or feedback to wiring loops, especially if there is an internal short or poor contact. Replacing the switch may be required after troubleshooting electrical issues.
Diagram ref no 13
Related reference numbers
Related, superseded, cross reference or alternative numbers for comparison.
90161350320
The product you are viewing cross references to these numbers
- Porsche 356B 1959-63
- Porsche 356C 1963-65
The OE Match Fog Light / Lower Valance Grille, Metal Chrome is a premium-quality replacement exterior trim component designed to restore the original appearance and functionality of the lower front valance on compatible classic Porsche models. Manufactured to OE specifications for fit, finish and durability, these chrome metal grilles provide an authentic factory-style appearance while protecting the fog light openings and allowing unrestricted airflow to components behind the valance.
Fits:
- Porsche 356B 1959-63
- Porsche 356C 1963-65
Manufactured from high-quality pressed steel with a durable polished chrome finish, the grilles are engineered to resist corrosion, road debris and everyday environmental exposure. Precision-formed for direct OE-style fitment, they are ideal for restoration projects or replacing damaged, bent or corroded original grilles, helping to maintain the classic styling and quality of your Porsche.
What This Product Does:
- Protects the fog light openings and lower front valance.
- Allows unrestricted airflow through the lower front panel.
- Helps prevent road debris from reaching components behind the grille.
- Restores the original appearance of the front valance.
- Provides factory-style fitment and alignment.
- Enhances the classic chrome styling of the vehicle.
- Replaces damaged, corroded or missing original grilles.
- Forms an integral part of the front body trim assembly.
Symptoms Of Wear Or Failure:
- Corrosion or rust on the grille.
- Bent or distorted grille mesh.
- Pitted or peeling chrome finish.
- Loose or damaged mounting points.
- Missing grille exposing components behind the valance.
- Scratches or impact damage.
- Poor fitment or rattling from the front valance.
- Reduced protection from road debris.
- Deteriorated appearance affecting the front bodywork.
- Misalignment with surrounding trim.
Why Replacement Matters:
- The lower valance grilles are continually exposed to road debris, stone impacts, moisture, road salt and changing weather conditions. Over time, corrosion, impact damage and deterioration of the chrome finish can affect both their appearance and protective function.
- A damaged or missing grille can leave the fog light area and surrounding components vulnerable to debris while detracting from the original appearance of the vehicle. For classic Porsche restorations, maintaining correctly finished chrome trim is essential to preserving authenticity and overall vehicle value.
- Replacing worn or damaged lower valance grilles restores the factory appearance of the front bodywork while protecting the openings from road debris. The OE Match replacement provides precise OE-style fitment, durable metal construction and a high-quality chrome finish, helping preserve the classic styling, protection and long-term value of your Porsche.
Related reference numbers
Related, superseded, cross reference or alternative numbers for comparison.
64455904
The product you are viewing cross references to these numbers
- Porsche 911 1965-1968 2.0L / 912 SWB (F)
- Porsche 356B 1959-63
- Porsche 356C 1963-65
Fits:
Porsche 356B / 356C 1960-65
Porsche 911 / 912 1965-69
Related reference numbers
Related, superseded, cross reference or alternative numbers for comparison.
PCG63120100
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 356 1950-55
- Porsche 356A 1955-59
- Porsche 356B 1959-63
- Porsche 356C 1963-65
Fits:
Porsche 356 /A/B/C 1.1-2.0 01/50-03/68
Porsche 911 2.0-3.3 01/63-07/89
Bulb Colour: White
Fitting Position: Front
Version: Marchal style