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 .

1967-1972 GMC K25/K2500 Rear Window Weatherstrip Seal, '67-'72 Chevrolet & GMC C/K, Large Window, 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.

$107.99
• SALE $86.95
Select Color/Material Options  
1967-1972 GMC K25/K2500 Rear Window Weatherstrip Seal, '67-'72 Chevrolet & GMC C/K, Large Window, Trim Groove.
1967-1972 GMC K25/K2500 Suburban Rear Window Weatherstrip Seal, '67-'72 Chevrolet & GMC C/K, Large Window, 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.

$107.99
• SALE $86.95
Select Color/Material Options  
1967-1972 GMC K25/K2500 Suburban Rear Window Weatherstrip Seal, '67-'72 Chevrolet & GMC C/K, Large Window, Trim Groove.
1967-1972 GMC K35/K3500 Rear Window Weatherstrip Seal, '67-'72 Chevrolet & GMC C/K, Large Window, 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.

$107.99
• SALE $86.95
Select Color/Material Options  
1967-1972 GMC K35/K3500 Rear Window Weatherstrip Seal, '67-'72 Chevrolet & GMC C/K, Large Window, Trim Groove.
1975-1978 GMC K15 Rear Window Weatherstrip Seal, 73-87 GM Full Size Truck.

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.

$108.0
• SALE $86.95
Select Color/Material Options  
1975-1978 GMC K15 Rear Window Weatherstrip Seal, 73-87 GM Full Size Truck.
1973-1974 GMC K15/K1500 Rear Window Weatherstrip Seal, 73-87 GM Full Size Truck.

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.

$108.0
• SALE $86.95
Select Color/Material Options  
1973-1974 GMC K15/K1500 Rear Window Weatherstrip Seal, 73-87 GM Full Size Truck.

(1091 Total Products)