GMC Weatherstrip & Seals - OEM-Fit Door, Trunk & Window Seals

Stop leaks, drafts, and road noise in your GMC 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 —restoring a tight, quiet seal around your doors, trunk, hatch, and windows.

Our GMC 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 , 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 .

1966 GMC K15/K1500 Molded Door Weatherstrip Seals. 163-1/2" Long Each. Pair R&L.

For 1964-1966 Chevrolet and GMC Pickup Trucks, these molded door seals are 163-1/2" long each and come as a pair for both the right and left sides. Designed to fit models like the Chevrolet C10, C20, C30, K10, K20, and GMC 1000, 1500, and 2500 series, these seals ensure a snug, weatherproof fit to keep out wind, rain, and road noise. Made by SUPERsoft, these seals are 30% softer and more durable than other brands, offering a long-lasting solution that won’t crack or wear prematurely. Unlike cheaper alternatives, they are crafted without accelerants or fillers, ensuring they maintain their shape and performance over time. Backed by a 30-year warranty, these seals provide peace of mind and reliable protection for your classic truck.

Features and Benefits
  • Keeps your truck's interior dry and quiet by sealing out water and noise.
  • Made from premium materials that resist aging and cracking.
  • Easy to install for a precise fit on both doors.

$96.49
• SALE $76.95
Select Color/Material Options  
1966 GMC K15/K1500 Molded Door Weatherstrip Seals. 163-1/2" Long Each. Pair R&L.
1967-1972 GMC C15/C1500 Molded Door Weatherstrip Seals with Mitered Corners. 166-1/2" Long.

For 1967-1972 Chevrolet and GMC Pickup Trucks, these molded door seals with mitered corners are 166-1/2" long each and come as a pair for both the driver and passenger sides. Designed to fit models like the Chevrolet C10, C20, C30, K10, K20, K30, and GMC C15/C1500 through K35/K3500, these seals ensure a snug, weatherproof fit to keep out wind, rain, and road noise. Crafted by SUPERsoft, these seals are 30% softer and more durable than other brands, offering a long-lasting, tight seal without the use of cheap fillers or accelerants that can cause premature aging. The seals are easy to install, molding perfectly to the door frame for a seamless look and reliable performance. Backed by a 30-year warranty, these seals provide peace of mind and exceptional value for your classic truck restoration.

Features and Benefits
  • Keeps out wind, rain, and road noise for a quieter ride.
  • Made with 30% softer material for a better fit and durability.
  • Easy installation with molded mitered corners for a precise fit.

$96.49
• SALE $76.95
Select Color/Material Options  
1967-1972 GMC C15/C1500 Molded Door Weatherstrip Seals with Mitered Corners. 166-1/2" Long.
1967-1972 GMC C25/C2500 Molded Door Weatherstrip Seals with Mitered Corners. 166-1/2" Long.

For 1967-1972 Chevrolet and GMC Pickup Trucks, these molded door seals with mitered corners are 166-1/2" long each and come as a pair for both the driver and passenger sides. Designed to fit models like the Chevrolet C10, C20, C30, K10, K20, K30, and GMC C15/C1500 through K35/K3500, these seals ensure a snug, weatherproof fit to keep out wind, rain, and road noise. Crafted by SUPERsoft, these seals are 30% softer and more durable than other brands, offering a long-lasting, tight seal without the use of cheap fillers or accelerants that can cause premature aging. The seals are easy to install, molding perfectly to the door frame for a seamless look and reliable performance. Backed by a 30-year warranty, these seals provide peace of mind and exceptional value for your classic truck restoration.

Features and Benefits
  • Keeps out wind, rain, and road noise for a quieter ride.
  • Made with 30% softer material for a better fit and durability.
  • Easy installation with molded mitered corners for a precise fit.

$96.49
• SALE $76.95
Select Color/Material Options  
1967-1972 GMC C25/C2500 Molded Door Weatherstrip Seals with Mitered Corners. 166-1/2" Long.
1967-1972 GMC C35/C3500 Molded Door Weatherstrip Seals with Mitered Corners. 166-1/2" Long.

For 1967-1972 Chevrolet and GMC Pickup Trucks, these molded door seals with mitered corners are 166-1/2" long each and come as a pair for both the driver and passenger sides. Designed to fit models like the Chevrolet C10, C20, C30, K10, K20, K30, and GMC C15/C1500 through K35/K3500, these seals ensure a snug, weatherproof fit to keep out wind, rain, and road noise. Crafted by SUPERsoft, these seals are 30% softer and more durable than other brands, offering a long-lasting, tight seal without the use of cheap fillers or accelerants that can cause premature aging. The seals are easy to install, molding perfectly to the door frame for a seamless look and reliable performance. Backed by a 30-year warranty, these seals provide peace of mind and exceptional value for your classic truck restoration.

Features and Benefits
  • Keeps out wind, rain, and road noise for a quieter ride.
  • Made with 30% softer material for a better fit and durability.
  • Easy installation with molded mitered corners for a precise fit.

$96.49
• SALE $76.95
Select Color/Material Options  
1967-1972 GMC C35/C3500 Molded Door Weatherstrip Seals with Mitered Corners. 166-1/2" Long.
1967-1972 GMC K15/K1500 Molded Door Weatherstrip Seals with Mitered Corners. 166-1/2" Long.

For 1967-1972 Chevrolet and GMC Pickup Trucks, these molded door seals with mitered corners are 166-1/2" long each and come as a pair for both the driver and passenger sides. Designed to fit models like the Chevrolet C10, C20, C30, K10, K20, K30, and GMC C15/C1500 through K35/K3500, these seals ensure a snug, weatherproof fit to keep out wind, rain, and road noise. Crafted by SUPERsoft, these seals are 30% softer and more durable than other brands, offering a long-lasting, tight seal without the use of cheap fillers or accelerants that can cause premature aging. The seals are easy to install, molding perfectly to the door frame for a seamless look and reliable performance. Backed by a 30-year warranty, these seals provide peace of mind and exceptional value for your classic truck restoration.

Features and Benefits
  • Keeps out wind, rain, and road noise for a quieter ride.
  • Made with 30% softer material for a better fit and durability.
  • Easy installation with molded mitered corners for a precise fit.

$96.49
• SALE $76.95
Select Color/Material Options  
1967-1972 GMC K15/K1500 Molded Door Weatherstrip Seals with Mitered Corners. 166-1/2" Long.

(1091 Total Products)