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Porsche // 911 & 912 (1965-1989) // 911 1968-1973 2.2L / 2.4L / 2.7L RS LWB (F)
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- Porsche 996 C2 3.4L 1997-08/01
- Porsche 996 C4 3.4L 1997-08/01
- Porsche 996 C2 3.6L 09/01-2005
- Porsche 996 C4 3.6L 09/01-2005
- Porsche 996 C4S 3.6L 09/01-2005
- Porsche 996 TURBO 2000-05
- Porsche 996 GT2 2001-05
- Porsche 996 GT3 MKI 1999-02
- Porsche 996 GT3 MKII 2003>>
The Porsche Headlamp Breather Pipe is a genuine OEM vent tube designed to prevent condensation and moisture build-up inside the headlight housing. Fitted to Porsche 911 (996 models), this pipe allows controlled airflow and pressure equalization, keeping your headlights clear and functioning properly.
Fits LEFT And RIGHT.
Fits:
- Porsche 996 C2 3.6L 09/01-2005
- Porsche 996 C4 3.6L 09/01-2005
- Porsche 996 C4S 3.6L 09/01-2005
- Porsche 996 TURBO 2000-05
- Porsche 996 GT2 2001-05
- Porsche 996 GT3 MKI 1999-02
- Porsche 996 GT3 MKII 2003>>
What This Product Does:
The tube is a vent / breather tube for the headlamp housing. It allows moisture, condensation and air to escape from the headlamp enclosure so the lens doesn’t fog up, and prevents vacuum or pressure build-up inside the lamp unit.
Symptoms Of A Faulty / Missing / Damaged Vent Tube:
- Condensation / Fogging inside the headlamp lens, especially after weather changes or car wash.
- Water accumulation inside the headlight housing (visible water or dripping) leading to corrosion, rust, or water spots.
- Cloudiness or reduced light output due to moisture affecting reflectors or lenses.
- Burned / corroded connectors or bulb sockets due to water contact.
- The headlamp may feel humid inside, smell of damp plastic, or show signs of mildew / moisture staining.
Why Replacement Matters:
- Preserves headlamp clarity & performance: a clean, dry reflector & lens means correct beam pattern & brightness. Moisture or fog diminish performance and safety.
- Protects electrical components inside the lamp assembly: bulbs, aim adjusters, connectors are especially vulnerable to water damage.
- Prevents damage to headlamp internals: moisture can cause corrosion, oxidation, potentially degrading internal seals, screws, and mounting surfaces.
- Maintains correct optical alignment & beam pattern: trapped moisture can distort or when dried unevenly, affect clarity and aim.
- Low cost preventive part: replacing a small tube is cheap relative to replacing a full headlamp unit due to water damage.
Related reference numbers
Related, superseded, cross reference or alternative numbers for comparison.
99663112000
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 964 (911) C2 1989-93
- Porsche 964 (911) C4 1989-93
- Porsche 964 (911) RS 3.6L 1991-93
- Porsche 964 (911) RS 3.8L 1991-93
- Porsche 964 (911) TURBO 3.3L 1991-93
- Porsche 964 (911) TURBO 3.6L 1991-93
Headlamp Lens H4 - Right Hand Drive (RHD)
Sold each
Restore the performance, appearance and safety of your
Porsche lighting system with H4 Right-Hand Drive (RHD) Headlamp Lens
91163192701, designed for Porsche 911 and Porsche 964 models. As the outer
protective component of the headlight assembly, the headlamp lens plays a
crucial role in directing light accurately onto the road while shielding the
bulb and reflector from moisture, dirt and road debris.
Fits:
- 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 964 (911) C2 1989-93
- Porsche 964 (911) C4 1989-93
- Porsche 964 (911) RS 3.6L 1991-93
- Porsche 964 (911) RS 3.8L 1991-93
- Porsche 964 (911) TURBO 3.3L 1991-93
- Porsche 964 (911) TURBO 3.6L 1991-93
* Compatible with pre-1973 cars with H4 Headlamps, we also offer the original Bosch H1 Headlamp glass
The H4 lens features a specific optical pattern designed for right-hand drive vehicles, ensuring the correct beam distribution for UK and other RHD markets. A clear, undamaged headlamp lens is essential for maintaining optimum visibility, especially during night driving and poor weather conditions.
Over time, headlamp lenses can become scratched, chipped, cracked or cloudy due to age, UV exposure and road debris. Replacing a worn lens helps restore headlight performance, improve safety and maintain the original appearance of your Porsche.
What Does a Headlamp Lens Do?
The headlamp lens forms the front protective cover of the headlight assembly and helps control the distribution of light produced by the bulb and reflector.
A correctly functioning headlamp lens helps:
Focus and direct light accurately Improve night-time visibility Maximise headlight performance Protect bulbs and reflectors Prevent water and dirt ingress Maintain legal beam patterns Preserve original vehicle appearanceFor right-hand drive vehicles, the lens design ensures the beam pattern illuminates the road correctly without causing glare to oncoming traffic.
Symptoms of Headlamp Lens Wear or Failure
Headlamp lenses are constantly exposed to environmental conditions and road hazards, making them vulnerable to deterioration over time.
Common signs that a headlamp lens requires replacement include:
Cloudy or hazy lens surface Reduced headlight brightness Scratches or stone chips Cracks in the lens Moisture or condensation inside the headlamp Yellowing or discolouration Distorted beam pattern Poor night-time visibility MOT or roadworthiness concernsA damaged lens can significantly reduce lighting performance and compromise driving safety.
Why Headlamp Lens Replacement Matters
Replacing a worn or damaged headlamp lens helps restore both safety and appearance while protecting the internal components of the headlight assembly.
Benefits include:
- Improved light output
- Enhanced night-time visibility
- Correct beam pattern performance
- Better road safety
- Protection against moisture ingress
- Reduced risk of reflector damage
- Improved vehicle appearance
- Enhanced originality for restoration projects
For Porsche 911 and Porsche 964 owners, maintaining clear and effective headlamps is an important part of preserving both vehicle value and driving confidence.
Features & Benefits
- H4 specification
- Right-Hand Drive (RHD) beam pattern
- Restores headlight clarity and performance
- Improves visibility and road safety
- Protects internal headlamp components
- Ideal for restoration, maintenance and refurbishment projects
Related reference numbers
Related, superseded, cross reference or alternative numbers for comparison.
91163192701
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 964 (911) C2 1989-93
- Porsche 964 (911) C4 1989-93
- Porsche 964 (911) RS 3.6L 1991-93
- Porsche 964 (911) RS 3.8L 1991-93
- Porsche 964 (911) TURBO 3.3L 1991-93
- Porsche 964 (911) TURBO 3.6L 1991-93
The headlamp bezel outer screw clamps the external trim ring (bezel) around the headlamp lens, holding it firmly in place against the headlamp bucket. By securing the bezel correctly, it prevents movement, rattling, and misalignment that can compromise appearance or allow moisture ingress.
Sold each.
Fits:
Porsche 911 1965 - 1989
Porsche 964 1990 - 1994
Diagram ref no 10
This screw replicates the original headlamp bezel mounting hardware used on air-cooled and early water-cooled Porsche 911/964 vehicles. Made from quality materials with accurate thread profile and length, it ensures secure and vibration-resistant attachment of the headlamp bezel to the headlight housing. Whether you’re restoring aging headlight trim, replacing missing screws, or finishing a cosmetic detail, this screw provides a reliable, factory-style solution.
• Correct thread size and length
• Designed to work with original headlamp bezels and housings
• Direct lift-out replacement - no modification required
Headlamp bezel screws on older vehicles can become corroded, rounded, or lost over time, leading to loose bezels, trim misalignment, and poor sealing against dirt and moisture. Using OE Match replacement screws restores secure fitment, improves exterior finish integrity, and helps maintain correct headlamp assembly alignment.
When to replace:
• Screw is rusted, stripped, or missing
• Headlamp bezel is loose or vibrating
• During headlight removal/installation
• When installing new headlamp bezels or trim
Related reference numbers
Related, superseded, cross reference or alternative numbers for comparison.
91163113200
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 964 (911) C2 1989-93
- Porsche 964 (911) C4 1989-93
- Porsche 964 (911) RS 3.6L 1991-93
- Porsche 964 (911) RS 3.8L 1991-93
- Porsche 964 (911) TURBO 3.3L 1991-93
- Porsche 964 (911) TURBO 3.6L 1991-93
The OE MATCH Headlamp Inner Screw is a fastening component designed to secure internal headlamp assembly components and maintain the correct positioning of the headlight unit. Manufactured to original specifications, this precision-engineered screw provides reliable retention and alignment within the headlamp housing, helping ensure the integrity and stability of the lighting system.
Fits:
- 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 964 (911) C2 1989-93
- Porsche 964 (911) C4 1989-93
- Porsche 964 (911) RS 3.6L 1991-93
- Porsche 964 (911) RS 3.8L 1991-93
- Porsche 964 (911) TURBO 3.3L 1991-93
- Porsche 964 (911) TURBO 3.6L 1991-93
Diagram Ref No 7
Constructed from durable, corrosion-resistant materials, the headlamp inner screw is designed to withstand exposure to vibration, temperature fluctuations, and moisture commonly encountered in automotive environments. It is an ideal replacement for missing, damaged, or corroded original fasteners during maintenance, repair, or restoration projects.
What This Product Does:
- Secures internal headlamp assembly components
- Maintains correct headlight positioning and alignment
- Provides reliable fastening within the headlamp housing
- Helps prevent movement caused by vibration and road conditions
- Supports the structural integrity of the lighting assembly
- Ensures OE-style fitment and installation
Symptoms Of Wear Or Failure:
- Loose or poorly secured headlamp components
- Headlamp alignment issues
- Excessive vibration within the headlight assembly
- Missing, stripped, or damaged screw threads
- Corrosion affecting fastening strength
- Rattling noises from the headlamp area
- Difficulty maintaining proper headlight adjustment
Why Replacement Matters:
- Restores secure fastening of headlamp components
- Helps maintain correct headlight alignment
- Prevents vibration-related wear and movement
- Supports safe and effective headlight operation
- Protects the integrity of the headlamp assembly
- Maintains OEM appearance and fitment standards
- Supports restoration and refurbishment projects
- Provides long-term durability and reliable component retention
Related reference numbers
Related, superseded, cross reference or alternative numbers for comparison.
91163103300
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 964 (911) C2 1989-93
- Porsche 964 (911) C4 1989-93
- Porsche 964 (911) RS 3.6L 1991-93
- Porsche 964 (911) RS 3.8L 1991-93
- Porsche 964 (911) TURBO 3.3L 1991-93
- Porsche 964 (911) TURBO 3.6L 1991-93
This OE Match chrome headlamp bezel cover is an exterior trim ring designed for Porsche 911 (1978–1989) and Porsche 964 (1990–1994) models. This bezel surrounds the headlamp unit and secures the headlight assembly to the front wing while providing the classic chrome finish characteristic of many classic Porsche models. Manufactured to replicate the original Porsche component, it offers correct fitment and appearance for restoration or replacement of damaged headlamp trim.
Sold each, 2 required per vehicle
Fits:
Porsche 911 1978 - 1989
Porsche 964 1990 - 1994
Diagram ref no 6
The headlamp bezel is the outer trim ring that fits around the headlight assembly and attaches it to the vehicle’s front fender. The OE Match bezel is produced to mirror the factory design used on Porsche 911 and 964 models, ensuring accurate alignment and installation.
Finished in chrome, this bezel enhances the classic styling of the front lighting assembly while maintaining the original period-correct appearance of the vehicle.
The bezel secures the headlamp unit in place and forms the visible trim ring that blends the headlight into the vehicle’s bodywork. It also helps protect the headlamp assembly from vibration and minor debris while maintaining a clean, finished exterior look.
Replacing worn or corroded bezels restores the front-end appearance and ensures the headlamp unit remains properly mounted.
Headlamp bezel covers are exposed to road debris, weather and corrosion. Over time the chrome finish can become scratched or pitted, and the bezel may bend or loosen. Replacing the bezel restores the correct headlamp fitment and helps maintain the original visual character of the Porsche front end.
Consider replacing the headlamp bezel if you notice:
• Chrome pitting or corrosion
• Bent or damaged headlamp trim ring
• Loose headlamp mounting
• During classic Porsche restoration or repainting
Related reference numbers
Related, superseded, cross reference or alternative numbers for comparison.
91163114100
The product you are viewing cross references to these numbers