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 .
1000
1500
2500
3500
C15
C15 Suburban
C15/C1500
C15/C1500 Suburban
C1500
C1500 Suburban
C25
C25 Suburban
C25/C2500
C25/C2500 Suburban
C2500
C2500 Suburban
C35
C35/C3500
C3500
Caballero
Canyon
CC100
CC101
CC102
Envoy
G1500
G2500
G3500
I1000
K1000
K15
K15 Suburban
K15/K1500
K15/K1500 Suburban
K1500
K1500 Suburban
K25
K25 Suburban
K25/K2500
K25/K2500 Suburban
K2500
K2500 Suburban
K35
K35/K3500
K3500
K5 Jimmy
R1500
R1500 Suburban
R2500
R2500 Suburban
R3500
S15 Jimmy
S15 Sonoma
Safari
Savana 1500
Savana 2500
Savana 3500
Sierra 1500
Sierra 1500 Classic
Sierra 2500
Sierra 2500 Classic
Sierra 3500
Sierra 3500 Classic
Sprint
Truck
V1500
V1500 Suburban
V2500
V2500 Suburban
V3500
Yukon
Yukon XL 1500
Yukon XL 2500
Designed for 1967-1972 Chevrolet and GMC Pickup Trucks, this heater box-to-firewall gasket ensures a precise fit with its 6-3/4" outer diameter and 4-3/4" inner diameter. Crafted by Metro Moulded Parts, this gasket is made using over 50 tons of pressure, delivering exceptional definition and detail for a snug and reliable seal. It is specifically engineered to prevent air and moisture leaks where the heater box meets the firewall, enhancing the efficiency of your vehicle's heating system. This gasket fits a wide range of models, including Chevrolet C10, C20, C30, K10, K20, and K30 trucks, as well as GMC C15/C1500, C25/C2500, C35/C3500, K15/K1500, K25/K2500, and K35/K3500 trucks from 1967 to 1972. Backed by Metro's 30-year warranty, this part offers long-lasting performance and peace of mind.
Features and Benefits- Provides a tight seal to prevent air and moisture leaks.
- Enhances heating system efficiency by maintaining proper airflow.
- Built with high-pressure molding for exact fit and durability.
Designed for 1967-1972 Chevrolet and GMC Pickup Trucks, this heater box-to-firewall gasket ensures a precise fit with its 6-3/4" outer diameter and 4-3/4" inner diameter. Crafted by Metro Moulded Parts, this gasket is made using over 50 tons of pressure, delivering exceptional definition and detail for a snug and reliable seal. It is specifically engineered to prevent air and moisture leaks where the heater box meets the firewall, enhancing the efficiency of your vehicle's heating system. This gasket fits a wide range of models, including Chevrolet C10, C20, C30, K10, K20, and K30 trucks, as well as GMC C15/C1500, C25/C2500, C35/C3500, K15/K1500, K25/K2500, and K35/K3500 trucks from 1967 to 1972. Backed by Metro's 30-year warranty, this part offers long-lasting performance and peace of mind.
Features and Benefits- Provides a tight seal to prevent air and moisture leaks.
- Enhances heating system efficiency by maintaining proper airflow.
- Built with high-pressure molding for exact fit and durability.
Designed for 1967-1972 Chevrolet and GMC Pickup Trucks, this heater box-to-firewall gasket ensures a precise fit with its 6-3/4" outer diameter and 4-3/4" inner diameter. Crafted by Metro Moulded Parts, this gasket is made using over 50 tons of pressure, delivering exceptional definition and detail for a snug and reliable seal. It is specifically engineered to prevent air and moisture leaks where the heater box meets the firewall, enhancing the efficiency of your vehicle's heating system. This gasket fits a wide range of models, including Chevrolet C10, C20, C30, K10, K20, and K30 trucks, as well as GMC C15/C1500, C25/C2500, C35/C3500, K15/K1500, K25/K2500, and K35/K3500 trucks from 1967 to 1972. Backed by Metro's 30-year warranty, this part offers long-lasting performance and peace of mind.
Features and Benefits- Provides a tight seal to prevent air and moisture leaks.
- Enhances heating system efficiency by maintaining proper airflow.
- Built with high-pressure molding for exact fit and durability.
Designed for 1967-1972 Chevrolet and GMC Pickup Trucks, this heater box-to-firewall gasket ensures a precise fit with its 6-3/4" outer diameter and 4-3/4" inner diameter. Crafted by Metro Moulded Parts, this gasket is made using over 50 tons of pressure, delivering exceptional definition and detail for a snug and reliable seal. It is specifically engineered to prevent air and moisture leaks where the heater box meets the firewall, enhancing the efficiency of your vehicle's heating system. This gasket fits a wide range of models, including Chevrolet C10, C20, C30, K10, K20, and K30 trucks, as well as GMC C15/C1500, C25/C2500, C35/C3500, K15/K1500, K25/K2500, and K35/K3500 trucks from 1967 to 1972. Backed by Metro's 30-year warranty, this part offers long-lasting performance and peace of mind.
Features and Benefits- Provides a tight seal to prevent air and moisture leaks.
- Enhances heating system efficiency by maintaining proper airflow.
- Built with high-pressure molding for exact fit and durability.
Designed for 1967-1972 Chevrolet and GMC Pickup Trucks, this heater box-to-firewall gasket ensures a precise fit with its 6-3/4" outer diameter and 4-3/4" inner diameter. Crafted by Metro Moulded Parts, this gasket is made using over 50 tons of pressure, delivering exceptional definition and detail for a snug and reliable seal. It is specifically engineered to prevent air and moisture leaks where the heater box meets the firewall, enhancing the efficiency of your vehicle's heating system. This gasket fits a wide range of models, including Chevrolet C10, C20, C30, K10, K20, and K30 trucks, as well as GMC C15/C1500, C25/C2500, C35/C3500, K15/K1500, K25/K2500, and K35/K3500 trucks from 1967 to 1972. Backed by Metro's 30-year warranty, this part offers long-lasting performance and peace of mind.
Features and Benefits- Provides a tight seal to prevent air and moisture leaks.
- Enhances heating system efficiency by maintaining proper airflow.
- Built with high-pressure molding for exact fit and durability.
(1091 Total Products)