GMC K3500 Weatherstrip & Seals - OEM-Fit Door, Trunk & Window Seals
Stop leaks, drafts, and road noise in your GMC 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 K3500—restoring a tight, quiet seal around your doors, trunk, hatch, and windows.
Our GMC 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 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 K3500.
OEM-replacement glass run kit for Chevrolet / GMC. Precision-molded from EPDM rubber to resist UV, heat, ozone, and moisture — restoring the factory seal and eliminating wind noise, water leaks, and drafts.
Replaces GM: 14027777, 14027778
- Fitment: Driver and Passenger Side -- Sold as: 2-Piece Kit
- OEM-replacement door seal for the 1973-1974 GMC K3500 (Squarebody)
- EPDM rubber -- resists UV, heat, ozone, and moisture
- Restores factory seal to eliminate wind noise, water leaks, and dust
- Direct fit -- installs in the factory channel without modification
OEM-replacement door seal for Cadillac / Chevrolet / GMC. Precision-molded from EPDM rubber to resist UV, heat, ozone, and moisture — restoring the factory seal and eliminating wind noise, water leaks, and drafts.
Replaces GM: 15758703, 15766539, 15956393, 15956394, 15973659
OEM-replacement vent window seal kit - vent window vertical & front run driver side for Chevrolet / GMC. Precision-molded from EPDM rubber to resist UV, heat, ozone, and moisture — restoring the factory seal and eliminating wind noise, water leaks, and drafts.
Replaces GM: 6271903, 6271905
OEM-replacement door seal for Cadillac / Chevrolet / GMC. Precision-molded from EPDM rubber to resist UV, heat, ozone, and moisture — restoring the factory seal and eliminating wind noise, water leaks, and drafts.
Replaces GM: 15752299
(50 Total Products)