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 .

1975-1978 GMC C35 Vent Window Weatherstrip Seal,73-80 GM Truck and SUV, Set of Four.

Designed for 1973-1980 Chevrolet and GMC trucks, this 4-piece vent window seal set is crafted to fit models like the Blazer, Suburban, C10, K10, and Jimmy. Made from high-quality, ozone-resistant EPDM rubber, these seals are precision-engineered to replace both the driver and passenger vent window seals, as well as the rear division channel seals. Built to original specifications, they ensure a snug fit, keeping out weather, drafts, and road noise while maintaining your vehicle's climate-controlled interior. The durable EPDM polymer construction offers long-lasting performance, making it a reliable choice for restoring your truck's comfort and functionality. Backed by a 90-day warranty, this set is a hassle-free solution for enhancing your truck's weatherproofing and reducing noise.

Features and Benefits
  • Keeps out weather and drafts for a quieter ride.
  • Made from durable, ozone-resistant EPDM rubber.
  • Restores a precise seal for climate control.
  • Designed for a perfect fit on 1973-1980 Chevrolet and GMC trucks.

$177.99
• SALE $142.95
Select Color/Material Options  
1975-1978 GMC C35 Vent Window Weatherstrip Seal,73-80 GM Truck and SUV, Set of Four.
1973-1974 GMC C35/C3500 Vent Window Weatherstrip Seal,73-80 GM Truck and SUV, Set of Four.

Designed for 1973-1980 Chevrolet and GMC trucks, this 4-piece vent window seal set is crafted to fit models like the Blazer, Suburban, C10, K10, and Jimmy. Made from high-quality, ozone-resistant EPDM rubber, these seals are precision-engineered to replace both the driver and passenger vent window seals, as well as the rear division channel seals. Built to original specifications, they ensure a snug fit, keeping out weather, drafts, and road noise while maintaining your vehicle's climate-controlled interior. The durable EPDM polymer construction offers long-lasting performance, making it a reliable choice for restoring your truck's comfort and functionality. Backed by a 90-day warranty, this set is a hassle-free solution for enhancing your truck's weatherproofing and reducing noise.

Features and Benefits
  • Keeps out weather and drafts for a quieter ride.
  • Made from durable, ozone-resistant EPDM rubber.
  • Restores a precise seal for climate control.
  • Designed for a perfect fit on 1973-1980 Chevrolet and GMC trucks.

$177.99
• SALE $142.95
Select Color/Material Options  
1973-1974 GMC C35/C3500 Vent Window Weatherstrip Seal,73-80 GM Truck and SUV, Set of Four.
1979-1980 GMC C3500 Vent Window Weatherstrip Seal,73-80 GM Truck and SUV, Set of Four.

Designed for 1973-1980 Chevrolet and GMC trucks, this 4-piece vent window seal set is crafted to fit models like the Blazer, Suburban, C10, K10, and Jimmy. Made from high-quality, ozone-resistant EPDM rubber, these seals are precision-engineered to replace both the driver and passenger vent window seals, as well as the rear division channel seals. Built to original specifications, they ensure a snug fit, keeping out weather, drafts, and road noise while maintaining your vehicle's climate-controlled interior. The durable EPDM polymer construction offers long-lasting performance, making it a reliable choice for restoring your truck's comfort and functionality. Backed by a 90-day warranty, this set is a hassle-free solution for enhancing your truck's weatherproofing and reducing noise.

Features and Benefits
  • Keeps out weather and drafts for a quieter ride.
  • Made from durable, ozone-resistant EPDM rubber.
  • Restores a precise seal for climate control.
  • Designed for a perfect fit on 1973-1980 Chevrolet and GMC trucks.

$177.99
• SALE $142.95
Select Color/Material Options  
1979-1980 GMC C3500 Vent Window Weatherstrip Seal,73-80 GM Truck and SUV, Set of Four.
1965 GMC 1000 Rigid Division-Bar Channel.

This rigid division-bar channel is designed for classic truck models, including the 1952-1956 Ford F-Series, 1964-1967 Dodge D and W Series, 1965-1967 Chevrolet C and K Series, and 1965-1967 GMC trucks. Measuring 72 inches in length, it features a durable stainless steel bead, a pile lining for a snug fit, and a heavy steel core for long-lasting performance. The channel ensures a precise seal, helping to keep out moisture, dust, and wind, while maintaining the vehicle's original look and functionality. It can be sectioned into two equal lengths for easier overseas shipping, making it versatile for various installation needs. A $20 special shipping charge applies for domestic orders, with additional costs for international shipping. Backed by a 90-day warranty, this part is a reliable choice for restoring or maintaining your classic truck.

Features and Benefits
  • Provides a secure and accurate seal for improved weatherproofing.
  • Made with a heavy steel core for enhanced durability.
  • Stainless steel bead adds corrosion resistance and a clean finish.
  • Can be cut into two sections for easier handling and shipping.

$185.49
• SALE $148.95
Select Color/Material Options  
1965 GMC 1000 Rigid Division-Bar Channel.
1966 GMC 1500 Rigid Division-Bar Channel.

This rigid division-bar channel is designed for classic truck models, including the 1952-1956 Ford F-Series, 1964-1967 Dodge D and W Series, 1965-1967 Chevrolet C and K Series, and 1965-1967 GMC trucks. Measuring 72 inches in length, it features a durable stainless steel bead, a pile lining for a snug fit, and a heavy steel core for long-lasting performance. The channel ensures a precise seal, helping to keep out moisture, dust, and wind, while maintaining the vehicle's original look and functionality. It can be sectioned into two equal lengths for easier overseas shipping, making it versatile for various installation needs. A $20 special shipping charge applies for domestic orders, with additional costs for international shipping. Backed by a 90-day warranty, this part is a reliable choice for restoring or maintaining your classic truck.

Features and Benefits
  • Provides a secure and accurate seal for improved weatherproofing.
  • Made with a heavy steel core for enhanced durability.
  • Stainless steel bead adds corrosion resistance and a clean finish.
  • Can be cut into two sections for easier handling and shipping.

$185.49
• SALE $148.95
Select Color/Material Options  
1966 GMC 1500 Rigid Division-Bar Channel.

(1091 Total Products)