LED headlight rear cover dust seal extension accessory 90mm black silicone replacement cap for General Motors vehicles provides waterproof protection against moisture and debris ingress
90mm Black Silicone LED Headlight Rear Cover for General Motors Vehicles

This specialised 90mm black silicone cover addresses the common issue of dust and moisture entering LED headlight assemblies through rear openings. Designed specifically for General Motors vehicles, it provides a replacement sealing solution that helps maintain optimal headlight performance by preventing environmental contaminants from affecting internal components. The precise 90mm diameter ensures compatibility with vehicles requiring this exact size, while the flexible silicone material creates an effective barrier against water ingress and particulate matter.
Features and Construction

The 90mm measurement represents the exact diameter required for compatible General Motors headlight assemblies, ensuring proper fitment without modification. This precision sizing allows for secure installation that maintains the original equipment specifications of your vehicle's lighting system.
Material and Build
Manufactured from black silicone rubber, this cover utilises the material's natural flexibility to create an effective seal against various environmental factors. Silicone's inherent properties provide resistance to temperature fluctuations and exposure to automotive chemicals while maintaining its sealing capability over time. The material's elasticity allows for slight compression during installation, ensuring tight fitment against the headlight housing.
Size and Practical Fit
The 90mm diameter specification is critical for proper function, as it matches the opening dimensions on compatible General Motors LED headlight units. This exact sizing prevents gaps that could allow dust or moisture penetration while avoiding excessive pressure that might distort the cover or housing. The black colouration blends discreetly with most vehicle components, maintaining a factory-original appearance once installed.
Uses and Placement

This cover serves as a direct replacement for damaged, missing, or deteriorated rear seals on LED headlight assemblies. Its primary function is to restore the protective barrier that prevents external elements from compromising headlight performance and longevity.
Event or Professional Use
For professional automotive repair services, this 90mm cover provides a specific replacement part for General Motors vehicles undergoing headlight maintenance or restoration work. Mechanics can use it to complete repair jobs where the original seal has degraded or been damaged during previous servicing. The precise sizing eliminates the need for modification or adjustment, saving installation time while ensuring proper function.
Everyday Home Use
Vehicle owners can install this cover during routine maintenance or after noticing moisture or dust accumulation inside their headlight assemblies. The straightforward replacement process addresses common issues like condensation inside headlights or reduced lighting output caused by internal debris. Regular inspection of these seals during vehicle washing or servicing can identify when replacement becomes necessary.
Benefits and Buying Value

By providing a properly sized replacement seal, this cover helps maintain the intended performance of your vehicle's LED headlight system. Preventing dust and moisture ingress supports consistent light output and can reduce the need for more extensive cleaning or repair work inside the headlight assembly.
Reuse and Low Maintenance
The silicone construction offers durability that withstands typical automotive environmental conditions, providing lasting protection once installed. Unlike temporary fixes or improvised seals, this purpose-made cover maintains its sealing properties through temperature cycles and exposure to road chemicals. Proper installation on a clean surface ensures optimal adhesion and function throughout its service life.
Why Choose This Product
This 90mm black silicone cover provides an exact replacement solution for General Motors vehicles where this specific size is required. Rather than attempting modification of incorrectly sized alternatives, this product offers precise compatibility that maintains original equipment specifications. The silicone material selection balances flexibility for installation with sufficient rigidity to maintain the seal against vibration and environmental exposure typical in automotive applications.





