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Front Vent Window Seal

Part Number:
70-3781-55
OEM Number:
3999645,3999646
Price:
$140.59/pr.
In Stock In Stock

These front door vent window weatherstrips are the main seals needed to replace the rubber on your vent windows. They are designed and molded from original parts for superior fitment and seal.

Note: Division post seals not included. See our part #70-3780-56.

  • Molded as left and right.
  • Designed from original part so it fits correctly.
  • Installed into vent window frame.

Made from top quality rubber to ensure durability and proper seal.

Guaranteed to fit. Hand Crafted. Made in USA.

Please check the Matching Vehicles tab to confirm this part is applicable to your vehicle.


How to Replace Vent Window Weatherstripping




Alternate Parts Some models may use these instead


Related Parts you may need to complete installation


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Year Make Model Style
1973 Chevrolet G10 Beauville 3 door Standard Passenger Van
1973 Chevrolet G10 Panel Van 2 door Panel Van
1973 Chevrolet G10 Sportvan 3 door Standard Passenger Van
1973 Chevrolet G20 Beauville 3 door Standard Passenger Van
1973 Chevrolet G20 Panel Van 2 door Panel Van
1973 Chevrolet G20 Sportvan 3 door Standard Passenger Van
1973 Chevrolet G30 Beauville 3 door Standard Passenger Van
1973 Chevrolet G30 Panel Van 2 door Panel Van
1973 Chevrolet G30 Sportvan 3 door Standard Passenger Van
1973 GMC G1500 3 door Standard Passenger Van
1973 GMC G2500 3 door Standard Passenger Van
1973 GMC G3500 3 door Standard Passenger Van
1973 GMC P1500 2 door Package Van
1973 GMC P2500 2 door Package Van
1973 GMC P3500 2 door Package Van
1974 Chevrolet G10 Beauville 3 door Standard Passenger Van
1974 Chevrolet G10 Panel Van 2 door Panel Van
1974 Chevrolet G10 Sportvan 3 door Standard Passenger Van
1974 Chevrolet G20 Beauville 3 door Standard Passenger Van
1974 Chevrolet G20 Panel Van 2 door Panel Van
1974 Chevrolet G20 Sportvan 3 door Standard Passenger Van
1974 Chevrolet G30 Beauville 3 door Standard Passenger Van
1974 Chevrolet G30 Panel Van 2 door Panel Van
1974 Chevrolet G30 Sportvan 3 door Standard Passenger Van
1974 GMC G1500 3 door Standard Passenger Van
1974 GMC G2500 3 door Standard Passenger Van
1974 GMC G3500 3 door Standard Package Van
1974 GMC G3500 3 door Standard Passenger Van
1974 GMC P1500 2 door Package Van
1974 GMC P2500 2 door Package Van
1974 GMC P3500 2 door Package Van
1975 Chevrolet G10 Beauville 3 door Standard Passenger Van
1975 Chevrolet G10 Panel Van 2 door Panel Van
1975 Chevrolet G10 Sportvan 3 door Standard Passenger Van
1975 Chevrolet G20 Beauville 3 door Standard Passenger Van
1975 Chevrolet G20 Panel Van 2 door Panel Van
1975 Chevrolet G20 Sportvan 3 door Standard Passenger Van
1975 Chevrolet G30 Beauville 3 door Standard Passenger Van
1975 Chevrolet G30 Panel Van 2 door Panel Van
1975 Chevrolet Hi-Cube 2 door Stripped Chassis
1975 Chevrolet Sportvan 3 door Standard Passenger Van
1975 GMC G1500 3 door Standard Passenger Van
1975 GMC G2500 3 door Standard Passenger Van
1975 GMC G3500 3 door Standard Package Van
1975 GMC G3500 3 door Standard Passenger Van
1975 GMC P1500 2 door Package Van
1975 GMC P2500 2 door Package Van
1975 GMC P3500 2 door Package Van
1976 Chevrolet G10 3 door Extended Cargo Van
1976 Chevrolet G10 3 door Extended Passenger Van
1976 Chevrolet G10 3 door Standard Cargo Van
1976 Chevrolet G10 3 door Standard Passenger Van
1976 Chevrolet G20 3 door Extended Cargo Van
1976 Chevrolet G20 3 door Extended Passenger Van
1976 Chevrolet G20 3 door Standard Cargo Van
1976 Chevrolet G20 3 door Standard Passenger Van
1976 Chevrolet G30 2 door Cutaway Van
1976 Chevrolet G30 3 door Extended Cargo Van
1976 Chevrolet G30 3 door Extended Passenger Van
1976 Chevrolet G30 3 door Standard Cargo Van
1976 Chevrolet P20 2 door Standard Cargo Van
1976 Chevrolet P30 2 door Standard Cargo Van
1976 GMC G15 3 door Extended Cargo Van
1976 GMC G15 3 door Extended Passenger Van
1976 GMC G15 3 door Standard Cargo Van
1976 GMC G15 3 door Standard Passenger Van
1976 GMC G25 3 door Extended Cargo Van
1976 GMC G25 3 door Extended Passenger Van
1976 GMC G25 3 door Standard Cargo Van
1976 GMC G25 3 door Standard Passenger Van
1976 GMC G35 2 door Cutaway Van
1976 GMC G35 3 door Extended Cargo Van
1976 GMC G35 3 door Extended Passenger Van
1976 GMC G35 3 door Standard Passenger Van
1977 Chevrolet G10 3 door Extended Cargo Van
1977 Chevrolet G10 3 door Extended Passenger Van
1977 Chevrolet G10 3 door Standard Cargo Van
1977 Chevrolet G10 3 door Standard Passenger Van
1977 Chevrolet G20 3 door Extended Cargo Van
1977 Chevrolet G20 3 door Extended Passenger Van
1977 Chevrolet G20 3 door Standard Cargo Van
1977 Chevrolet G20 3 door Standard Passenger Van
1977 Chevrolet G30 2 door Cutaway Van
1977 Chevrolet G30 3 door Extended Cargo Van
1977 Chevrolet G30 3 door Extended Passenger Van
1977 Chevrolet G30 3 door Standard Cargo Van
1977 Chevrolet P20 2 door Standard Cargo Van
1977 Chevrolet P30 2 door Standard Cargo Van
1977 GMC G15 3 door Extended Cargo Van
1977 GMC G15 3 door Extended Passenger Van
1977 GMC G15 3 door Standard Cargo Van
1977 GMC G15 3 door Standard Passenger Van
1977 GMC G25 3 door Extended Cargo Van
1977 GMC G25 3 door Extended Passenger Van
1977 GMC G25 3 door Standard Cargo Van
1977 GMC G25 3 door Standard Passenger Van
1977 GMC G35 2 door Cutaway Van
1977 GMC G35 3 door Extended Cargo Van
1977 GMC G35 3 door Extended Passenger Van
1977 GMC G35 3 door Standard Passenger Van
1978 Chevrolet G10 3 door Extended Cargo Van
1978 Chevrolet G10 3 door Extended Passenger Van
1978 Chevrolet G10 3 door Standard Cargo Van
1978 Chevrolet G10 3 door Standard Passenger Van
1978 Chevrolet G20 3 door Extended Cargo Van
1978 Chevrolet G20 3 door Extended Passenger Van
1978 Chevrolet G20 3 door Standard Cargo Van
1978 Chevrolet G20 3 door Standard Passenger Van
1978 Chevrolet G30 2 door Cutaway Van
1978 Chevrolet G30 3 door Extended Cargo Van
1978 Chevrolet G30 3 door Extended Passenger Van
1978 Chevrolet G30 3 door Standard Cargo Van
1978 Chevrolet P20 2 door Standard Cargo Van
1978 Chevrolet P30 2 door Standard Cargo Van
1978 GMC G15 3 door Extended Cargo Van
1978 GMC G15 3 door Extended Passenger Van
1978 GMC G15 3 door Standard Cargo Van
1978 GMC G15 3 door Standard Passenger Van
1978 GMC G25 3 door Extended Cargo Van
1978 GMC G25 3 door Extended Passenger Van
1978 GMC G25 3 door Standard Cargo Van
1978 GMC G25 3 door Standard Passenger Van
1978 GMC G35 2 door Cutaway Van
1978 GMC G35 3 door Extended Cargo Van
1978 GMC G35 3 door Extended Passenger Van
1978 GMC G35 3 door Standard Passenger Van
1979 Chevrolet G10 3 door Extended Cargo Van
1979 Chevrolet G10 3 door Extended Passenger Van
1979 Chevrolet G10 3 door Standard Cargo Van
1979 Chevrolet G10 3 door Standard Passenger Van
1979 Chevrolet G20 3 door Extended Cargo Van
1979 Chevrolet G20 3 door Extended Passenger Van
1979 Chevrolet G20 3 door Standard Cargo Van
1979 Chevrolet G20 3 door Standard Passenger Van
1979 Chevrolet G30 2 door Cutaway Van
1979 Chevrolet G30 3 door Extended Cargo Van
1979 Chevrolet G30 3 door Extended Passenger Van
1979 Chevrolet P20 2 door Standard Cargo Van
1979 Chevrolet P30 2 door Standard Cargo Van
1979 GMC G1500 3 door Extended Cargo Van
1979 GMC G1500 3 door Extended Passenger Van
1979 GMC G1500 3 door Standard Cargo Van
1979 GMC G1500 3 door Standard Passenger Van
1979 GMC G2500 3 door Extended Cargo Van
1979 GMC G2500 3 door Extended Passenger Van
1979 GMC G2500 3 door Standard Cargo Van
1979 GMC G2500 3 door Standard Passenger Van
1979 GMC G3500 2 door Cutaway Van
1979 GMC G3500 3 door Extended Cargo Van
1979 GMC G3500 3 door Extended Passenger Van