GMC K35/K3500 Weatherstrip & Seals - OEM-Fit Door, Trunk & Window Seals
Stop leaks, drafts, and road noise in your GMC K35/K3500 with precision-fit replacement weatherstrip and seals designed specifically for your vehicle. Each seal is engineered to match the original profile and mounting groove of your GMC K35/K3500—restoring a tight, quiet seal around your doors, trunk, hatch, and windows.
Our GMC K35/K3500 weatherstrip is manufactured from durable, weather-resistant rubber compounds such as EPDM, engineered for an exact OEM-quality fit and finish. These materials resist sunlight, ozone, and chemical exposure while maintaining flexibility across temperature extremes, so your new seals stay soft and pliable instead of cracking or hardening the way factory-original rubber does over time.
Use the Vehicle Selector above to find the correct weatherstrip for your GMC K35/K3500, or browse below to explore available options. Whether you’re chasing down a stubborn water leak or completing a full restoration, Factory Interiors makes it easy to achieve a tight, factory-quality seal with precision-fit weatherstrip for your GMC K35/K3500.
For 1967-1972 Chevrolet and GMC C/K series trucks with a large rear window, this rear window seal is a perfect fit, replacing OEM part #3940758. Designed without a trim groove, it ensures a clean and seamless look for your truck. Made from durable EPDM polymer, this seal is built to last, effectively reducing drafts and road noise while keeping the elements out. Its accurate seal profile guarantees a snug fit, making installation straightforward and hassle-free. This part fits a wide range of models, including Chevrolet C10, C20, C30, K10, and K20 trucks, as well as GMC C15/C1500, C25/C2500, C35/C3500, K15/K1500, K25/K2500, and K35/K3500 trucks and Suburbans from 1967 to 1972. Backed by a 90-day warranty, this seal is a reliable choice for restoring your truck’s comfort and functionality.
Features and Benefits- Reduces drafts and road noise for a quieter ride.
- Made from durable EPDM polymer for long-lasting performance.
- Accurate seal profile ensures a snug and secure fit.
- Designed for easy installation without a trim groove.
For 1967-1972 Chevrolet and GMC C/K series trucks with a large rear window and trim groove, this rear window seal is crafted to ensure a precise fit and reliable performance. Made from durable EPDM polymer, it provides excellent resistance to weathering, reducing drafts and road noise while maintaining a snug seal around the rear window. The accurate seal profile ensures a clean and professional installation, enhancing the overall look and functionality of your truck. Designed specifically for models like the Chevrolet C10, C20, C30, K10, K20, and GMC C15/C1500, C25/C2500, C35/C3500, K15/K1500, K25/K2500, and K35/K3500 from 1967 to 1972, this seal is a perfect replacement for worn or damaged originals. Backed by a 90-day warranty, this part guarantees peace of mind and dependable performance.
Features and Benefits- Reduces drafts and road noise for a quieter ride.
- Made from durable EPDM polymer for long-lasting use.
- Accurate seal profile ensures a clean and secure fit.
- Designed for 1967-1972 Chevrolet and GMC C/K series trucks with a large rear window.
This rear window seal is designed for vehicles requiring a precise and durable fit, measuring to original specifications for a seamless installation. Made from high-quality ozone-resistant EPDM polymer, this black gasket is built to last and ensures a tight, leak-free seal. It is installed using the rope-in method and is intended to be placed on the glass during replacement. Please note, this weatherstrip is not compatible with original sliders and does not include a trim groove. Its accurate seal profile reduces drafts and road noise, enhancing comfort while driving. Backed by a 90-day warranty, this part guarantees peace of mind with its reliable performance.
Features and Benefits- Provides a tight, leak-free seal for your rear window.
- Made from durable, ozone-resistant EPDM polymer for long-lasting use.
- Reduces drafts and road noise for a quieter ride.
- Designed for easy installation during glass replacement.
For 1967-1968 Chevrolet and GMC C/K series trucks with a small rear window, this rear window seal is crafted to provide an exact fit and reliable performance. Made from durable EPDM polymer, it ensures a snug seal that reduces drafts and road noise, enhancing your driving comfort. Designed with an accurate seal profile, it fits seamlessly into place, maintaining the classic look of your truck while offering modern durability. This seal is built to withstand the elements, keeping water and debris out of your vehicle's interior. Backed by Metro's Platinum Warranty, this part is protected for 30 years, giving you peace of mind with your purchase.
Features and Benefits- Provides a precise fit for 1967-1968 Chevrolet and GMC C/K series trucks with a small rear window.
- Made from durable EPDM polymer for long-lasting performance.
- Reduces drafts and road noise for a quieter ride.
For 1967-1972 Chevrolet and GMC C/K series trucks and Suburbans, as well as 1969-1972 Chevy Blazers and 1970-1972 GMC Jimmys, this windshield seal is a perfect fit, replacing OEM part #3968174. Designed without a trim groove, it ensures a clean and seamless installation. Made from durable EPDM polymer, this seal effectively reduces drafts and road noise, enhancing your driving comfort. Its accurate profile guarantees a snug fit, keeping water and debris out while maintaining the integrity of your windshield. Backed by Metro’s Platinum Warranty, this part is protected for 30 years, giving you peace of mind with your purchase.
Features and Benefits- Made from long-lasting EPDM polymer for durability.
- Reduces drafts and road noise for a quieter ride.
- Designed for a precise fit to keep water and debris out.
(20 Total Products)