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- 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 Seal
Sold each - 2 required per car
Restore the weatherproof integrity and performance of your
Porsche headlights with this OE Match Headlamp Lens Seal. Designed
for Porsche 911 and 964 models, this seal fits between the headlamp glass lens
and the headlamp housing, creating a watertight barrier that protects the
internal reflector and lighting components from moisture, dirt and
contamination.
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 3
A properly functioning headlamp seal is essential for maintaining headlight performance and preserving the condition of expensive headlamp assemblies. Over time, the original seal can harden, shrink, crack or lose its sealing effectiveness, allowing moisture to enter the housing and potentially damage internal components.
Manufactured to OE Match standards, this replacement seal restores the correct fit and protection originally intended by Porsche.
What Does the Headlamp Lens Seal Do?
The headlamp lens seal sits between the glass lens and headlamp housing.
Its primary functions include:
- Preventing water ingress
- Protecting internal headlamp components
- Reducing condensation inside the headlight
- Helping preserve reflector condition
- Preventing dirt and debris contamination
- Maintaining lighting performance
- Supporting long-term headlamp durability
This simple component plays a crucial role in protecting the entire headlamp assembly.
Why Do Headlamp Lens Seals Fail?
Headlamp seals are constantly exposed to environmental conditions.
Common causes of failure include:
- Age-related rubber deterioration
- UV exposure
- Heat cycling
- Moisture exposure
- Hardening and shrinkage
- Damage during headlamp servicing
- Long-term environmental wear
- Previous incorrect installation
As the seal deteriorates, its ability to keep moisture out of the headlamp housing is reduced.
Symptoms of a Failing Headlamp Seal
Common warning signs include:
- Condensation inside the headlamp lens
- Water droplets inside the housing
- Fogging of the glass lens
- Dirt contamination within the headlamp
- Visible cracking or deterioration of the seal
- Corrosion developing on internal components
- Reduced headlight performance
- Moisture-related reflector damage
These symptoms often indicate that the seal has lost its effectiveness and should be replaced.
When Should the Seal Be Replaced?
Replacement is recommended when:
- Condensation is visible inside the headlamp
- Water ingress has occurred
- The headlamp is being restored
- The lens is being removed for refurbishment
- The original seal shows signs of ageing
- Internal reflector work is being carried out
- Completing a restoration project
- Performing preventative maintenance
Many Porsche restorers replace these seals whenever headlamp assemblies are disassembled.
Why Replacement Matters
A damaged seal can allow moisture to compromise the entire headlamp assembly.
Benefits of replacement include:
- Improved weather protection
- Reduced condensation
- Better lighting performance
- Protection of reflectors and bulbs
- Enhanced reliability Improved appearance
- Preservation of valuable headlamp components
- Restoration of factory sealing standards
Replacing the seal is a cost-effective way to protect an expensive headlamp assembly.
Related reference numbers
Related, superseded, cross reference or alternative numbers for comparison.
91163196700
The product you are viewing cross references to these numbers
- Porsche Boxster 986 2.5L 1997-99
- Porsche Boxster 986 2.7L 1999-02
- Porsche Boxster S 986 3.2L 1999-02
- Porsche Boxster 986 2.7L 2003-04
- Porsche Boxster S 986 3.2L 2003-04
- Porsche 996 C2 3.4L 1997-08/01
- Porsche 996 C4 3.4L 1997-08/01
Fits:
Porsche 986 Boxster 1997-04
Porsche 996 1997-08/01
Related reference numbers
Related, superseded, cross reference or alternative numbers for comparison.
99663104
The product you are viewing cross references to these numbers
- Porsche Boxster 986 2.5L 1997-99
- Porsche Boxster 986 2.7L 1999-02
- Porsche Boxster S 986 3.2L 1999-02
- Porsche Boxster 986 2.7L 2003-04
- Porsche Boxster S 986 3.2L 2003-04
- Porsche 996 C2 3.4L 1997-08/01
- Porsche 996 C4 3.4L 1997-08/01
RHD and LHD cars.
Fits:
Porsche 986 Boxster 1997-04
Porsche 996 1997-08/01
Related reference numbers
Related, superseded, cross reference or alternative numbers for comparison.
99663104
The product you are viewing cross references to these numbers
- Porsche Boxster 986 2.5L 1997-99
- Porsche Boxster 986 2.7L 1999-02
- Porsche Boxster S 986 3.2L 1999-02
- Porsche 996 C2 3.4L 1997-08/01
- Porsche 996 C4 3.4L 1997-08/01
For RHD and LHD Cars.
Fits:
Porsche 996 C2 / C4 1997-01
Porsche 986 Boxster 997-04
Related reference numbers
Related, superseded, cross reference or alternative numbers for comparison.
99663103
The product you are viewing cross references to these numbers