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 .

1987 GMC V3500 Rear Window Weatherstrip Seal, 73-87 GM Full Size Truck.

Designed for 1973-1987 Chevrolet and GMC Pickup Trucks, this rear window seal is crafted to fit perfectly on the body before the glass is installed. Made from durable, ozone-resistant EPDM polymer, it ensures a snug and accurate seal, reducing drafts and road noise while maintaining the original profile and details for a precise fit. This seal is intended for use during glass replacement and features a self-locking strip that secures the glass in place, providing a reliable and long-lasting hold. Please note, this weatherstrip is not compatible with original sliders. Its high-quality construction guarantees a great fit and extended life, making it an essential upgrade for your truck.

Features and Benefits
  • Provides a tight seal to reduce drafts and noise.
  • Made from ozone-resistant EPDM polymer for durability.
  • Designed for easy installation during glass replacement.
  • Maintains original details for a factory-accurate fit.

$101.99
• SALE $81.95
Select Color/Material Options  
1987 GMC V3500 Rear Window Weatherstrip Seal, 73-87 GM Full Size Truck.
1978 GMC G1500 Side Cargo Door Weatherstrip Seal. Rear Portion.

For full-size vans, this side cargo door seal fits the rear portion and is designed for models with the early 1996 design. Crafted by SUPERsoft, this seal is 30% softer and more durable than other brands, ensuring a snug, long-lasting fit. Unlike seals made with cheap fillers or accelerants, this part resists premature aging and failure, maintaining its integrity over time. The seal is precision-molded for a perfect fit, providing excellent weatherproofing to keep out water, dust, and noise. It is compatible with a wide range of models, including Chevrolet G10, G20, and G30 vans from 1978 to 1996, as well as GMC G1500, G2500, and G3500 vans from the same years. Backed by a 30-year warranty exclusive to SUPERsoft products, this seal offers peace of mind and reliable performance for decades.

Features and Benefits
  • Provides a tight seal to block water, dust, and noise.
  • Made with durable, high-quality materials for long-lasting use.
  • Precision-molded for a perfect fit on compatible van models.

$103.49
• SALE $82.95
Select Color/Material Options  
1978 GMC G1500 Side Cargo Door Weatherstrip Seal. Rear Portion.
1979-1995 GMC G1500 Side Cargo Door Weatherstrip Seal. Rear Portion.

For full-size vans, this side cargo door seal fits the rear portion and is designed for models with the early 1996 design. Crafted by SUPERsoft, this seal is 30% softer and more durable than other brands, ensuring a snug, long-lasting fit. Unlike seals made with cheap fillers or accelerants, this part resists premature aging and failure, maintaining its integrity over time. The seal is precision-molded for a perfect fit, providing excellent weatherproofing to keep out water, dust, and noise. It is compatible with a wide range of models, including Chevrolet G10, G20, and G30 vans from 1978 to 1996, as well as GMC G1500, G2500, and G3500 vans from the same years. Backed by a 30-year warranty exclusive to SUPERsoft products, this seal offers peace of mind and reliable performance for decades.

Features and Benefits
  • Provides a tight seal to block water, dust, and noise.
  • Made with durable, high-quality materials for long-lasting use.
  • Precision-molded for a perfect fit on compatible van models.

$103.49
• SALE $82.95
Select Color/Material Options  
1979-1995 GMC G1500 Side Cargo Door Weatherstrip Seal. Rear Portion.
1979-1995 GMC G2500 Side Cargo Door Weatherstrip Seal. Rear Portion.

For full-size vans, this side cargo door seal fits the rear portion and is designed for models with the early 1996 design. Crafted by SUPERsoft, this seal is 30% softer and more durable than other brands, ensuring a snug, long-lasting fit. Unlike seals made with cheap fillers or accelerants, this part resists premature aging and failure, maintaining its integrity over time. The seal is precision-molded for a perfect fit, providing excellent weatherproofing to keep out water, dust, and noise. It is compatible with a wide range of models, including Chevrolet G10, G20, and G30 vans from 1978 to 1996, as well as GMC G1500, G2500, and G3500 vans from the same years. Backed by a 30-year warranty exclusive to SUPERsoft products, this seal offers peace of mind and reliable performance for decades.

Features and Benefits
  • Provides a tight seal to block water, dust, and noise.
  • Made with durable, high-quality materials for long-lasting use.
  • Precision-molded for a perfect fit on compatible van models.

$103.49
• SALE $82.95
Select Color/Material Options  
1979-1995 GMC G2500 Side Cargo Door Weatherstrip Seal. Rear Portion.
1979-1996 GMC G3500 Side Cargo Door Weatherstrip Seal. Rear Portion.

For full-size vans, this side cargo door seal fits the rear portion and is designed for models with the early 1996 design. Crafted by SUPERsoft, this seal is 30% softer and more durable than other brands, ensuring a snug, long-lasting fit. Unlike seals made with cheap fillers or accelerants, this part resists premature aging and failure, maintaining its integrity over time. The seal is precision-molded for a perfect fit, providing excellent weatherproofing to keep out water, dust, and noise. It is compatible with a wide range of models, including Chevrolet G10, G20, and G30 vans from 1978 to 1996, as well as GMC G1500, G2500, and G3500 vans from the same years. Backed by a 30-year warranty exclusive to SUPERsoft products, this seal offers peace of mind and reliable performance for decades.

Features and Benefits
  • Provides a tight seal to block water, dust, and noise.
  • Made with durable, high-quality materials for long-lasting use.
  • Precision-molded for a perfect fit on compatible van models.

$103.49
• SALE $82.95
Select Color/Material Options  
1979-1996 GMC G3500 Side Cargo Door Weatherstrip Seal. Rear Portion.

(1091 Total Products)