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Fog Lamp Bulbs

For use on:
Porsche 914 (1970 to 1976)
Porsche 924 (1976 to 1988)
The set comprises:
2x high beam/low beam light (H4 60/55W),
2x indicator light (21W),
2x position light (5W),
2x tail/brake light (21/5W),
1x licence plate light (4W),
reversing light (25W),
1x fog light (18W),
2x safety fuse (8A),
2x safety fuse (16A),
2x safety fuse (25A).
The packaging comprises a white Porsche Classic designer metal box with foam inserts.
Related reference numbers
Related, superseded, cross reference or alternative numbers for comparison.
PCG91410000
The product you are viewing cross references to these numbers
- Porsche 924 2.0L 1976-79
- Porsche 924 2.0L 1980-85
- Porsche 924 Turbo 2.0L 1979-81
- Porsche 924 Turbo 2.0L 1982-84
- Porsche 924 Carrera GT 2.0L 1981
- Porsche 924 Carrera GTS 2.0L 1982
- Porsche 924S 2.5L 1986-87
- Porsche 924S 2.5L 1988
- Porsche 914 (1970-1976)

For use on:
Porsche 914 (1970 - 1976)
Porsche 914/6 (1970 - 1972)
Contents of the set:
1x high/low beam bulb H4 60/55W
1x high/low beam bulb R2 45/40W
1x indicator bulb P21W
1x reversing light bulb P25W
1x brake/tail-light bulb P21/5W
1x parking, number plate bulb R5W
1x number plate bulb T4W
1x 8A safety fuse
1x 16A safety fuse
1x 25A safety fuse
Additional information: Excluding France.
Related reference numbers
Related, superseded, cross reference or alternative numbers for comparison.
PCG91410001
The product you are viewing cross references to these numbers
- Porsche 914 (1970-1976)
Porsche Fog Lamp Bulbs - Improved Visibility & Safety in Poor Conditions
Porsche fog lamp bulbs are designed to provide wide, low-level illumination that cuts through fog, mist, rain, and spray. Positioned low on the vehicle, fog lamps reduce glare and improve road edge visibility, helping drivers maintain awareness and control in challenging weather conditions.
Available from Design911, Porsche fog lamp bulbs are supplied to OEM or approved upgrade standards, ensuring correct brightness, colour temperature, and reliable performance for everyday driving safety.
What Do Porsche Fog Lamp Bulbs Do?
Fog lamp bulbs enhance visibility when standard headlights are less effective.
Core Functions:
- Illuminate the road surface in fog, mist, and heavy rain
- Reduce glare by projecting a low, wide beam pattern
- Improve visibility of road edges and markings
- Enhance vehicle visibility to other road users
- Support safe driving in poor weather conditions
Properly functioning fog lamps are an important safety feature.
Why Do Fog Lamp Bulbs Fail?
Fog lamp bulbs operate in exposed, high-moisture environments and are subject to wear.
Common Causes of Failure:
- Filament wear from regular use
- Moisture ingress into the lamp housing
- Heat cycling causing internal bulb damage
- Vibration from road surfaces
- Age-related reduction in light output
Failed bulbs reduce visibility and may cause warning messages or MOT failures.
When Should a Fog Lamp Bulb Be Replaced?
Porsche fog lamp bulbs should be replaced when:
- The bulb no longer illuminates
- Light output appears dim or uneven
- Colour temperature changes noticeably
- Moisture damage is visible inside the lens
- Replacing bulbs as part of preventative maintenance
Replacing worn bulbs ensures consistent lighting performance and safety compliance.
Highlights
- OEM-spec Porsche fog lamp replacement bulbs
- Designed for poor weather visibility
- Correct beam pattern and brightness
- Reliable performance and long service life
- Suitable for maintenance and lighting upgrades