Rear Window Gasket

Part Number:
70-1721-81
OEM Number:
3940756
Price:
$116.39/ea.
In Stock In Stock

This Rear Window Gasket mounts around the full perimeter of the back glass and has properly molded corners for a precise, factory fit. It also has the slot to accommodate the outer edge's decorative molding.

Fitment Note
Note:This is for vehicles with the larger rear window with perimeter reveal molding. For vehicles without reveal molding see our part 70-1720-81, for vehicles with the smaller window see our part 70-1719-81.
  • Fitted gasket provides a formed, seamless seal and accommodates reveal molding.
  • Designed from original part so it fits correctly.
  • We recommend for installation: 3M Brand Cleaner 96-8984-96 and Bedding Compound 96-8509-96.
  • Replaces factory #3940756.

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

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


Alternate Parts Some models may use these instead


Accessories you may need to install or remove

*All parts sold by Steele Rubber Products are backed by our 100% Satisfaction Guarantee! Learn more!

Year Make Model Style
1967 Chevrolet C10 2 door Cab and Chassis
1967 Chevrolet C10 2 door Standard Cab Pickup
1967 Chevrolet C20 2 door Cab and Chassis
1967 Chevrolet C20 2 door Stakebed Pickup
1967 Chevrolet C20 2 door Standard Cab Pickup
1967 Chevrolet C30 2 door Cab and Chassis
1967 Chevrolet C30 2 door Stakebed Pickup
1967 Chevrolet C30 2 door Standard Cab Pickup
1967 Chevrolet K10 2 door Cab and Chassis
1967 Chevrolet K10 2 door Standard Cab Pickup
1967 Chevrolet K20 2 door Cab and Chassis
1967 Chevrolet K20 2 door Standard Cab Pickup
1967 GMC C1500 2 door Chassis and Cab
1967 GMC C1500 2 door Pickup
1967 GMC C2500 2 door Chassis and Cab
1967 GMC C2500 2 door Pickup
1967 GMC C2500 2 door Stake
1967 GMC C3500 2 door Chassis and Cab
1967 GMC C3500 2 door Pickup
1967 GMC C3500 2 door Stake Rack
1968 Chevrolet C10 2 door Cab and Chassis
1968 Chevrolet C10 2 door Standard Cab Pickup
1968 Chevrolet C20 2 door Cab and Chassis
1968 Chevrolet C20 2 door Stakebed Pickup
1968 Chevrolet C20 2 door Standard Cab Pickup
1968 Chevrolet C20 Longhorn 2 door Standard Cab Pickup
1968 Chevrolet C30 2 door Cab and Chassis
1968 Chevrolet C30 2 door Stakebed Pickup
1968 Chevrolet C30 2 door Standard Cab Pickup
1968 Chevrolet C30 Longhorn 2 door Standard Cab Pickup
1968 Chevrolet K10 2 door Cab and Chassis
1968 Chevrolet K10 2 door Standard Cab Pickup
1968 Chevrolet K20 2 door Cab and Chassis
1968 Chevrolet K20 2 door Standard Cab Pickup
1968 GMC C1500 2 door Chassis and Cab
1968 GMC C1500 2 door Pickup
1968 GMC C2500 2 door Chassis and Cab
1968 GMC C2500 2 door Pickup
1968 GMC C2500 2 door Stake
1968 GMC C3500 2 door Chassis and Cab
1968 GMC C3500 2 door Pickup
1968 GMC C3500 2 door Stake Rack
1969 Chevrolet C10 2 door Cab and Chassis
1969 Chevrolet C10 2 door Standard Cab Pickup
1969 Chevrolet C20 2 door Cab and Chassis
1969 Chevrolet C20 2 door Stakebed Pickup
1969 Chevrolet C20 2 door Standard Cab Pickup
1969 Chevrolet C20 Longhorn 2 door Standard Cab Pickup
1969 Chevrolet C30 2 door Cab and Chassis
1969 Chevrolet C30 2 door Standard Cab Pickup
1969 Chevrolet C30 Longhorn 2 door Standard Cab Pickup
1969 Chevrolet K10 2 door Cab and Chassis
1969 Chevrolet K10 2 door Standard Cab Pickup
1969 Chevrolet K20 2 door Cab and Chassis
1969 Chevrolet K20 2 door Standard Cab Pickup
1969 GMC C1500 2 door Chassis and Cab
1969 GMC C1500 2 door Pickup
1969 GMC C2500 2 door Chassis and Cab
1969 GMC C2500 2 door Pickup
1969 GMC C3500 2 door Chassis and Cab
1969 GMC C3500 2 door Pickup
1970 Chevrolet C10 2 door Cab and Chassis
1970 Chevrolet C10 2 door Standard Cab Pickup
1970 Chevrolet C20 2 door Cab and Chassis
1970 Chevrolet C20 2 door Standard Cab Pickup
1970 Chevrolet C20 Longhorn 2 door Standard Cab Pickup
1970 Chevrolet C30 2 door Cab and Chassis
1970 Chevrolet C30 2 door Standard Cab Pickup
1970 Chevrolet C30 Longhorn 2 door Standard Cab Pickup
1970 Chevrolet K10 2 door Cab and Chassis
1970 Chevrolet K10 2 door Standard Cab Pickup
1970 Chevrolet K20 2 door Cab and Chassis
1970 Chevrolet K20 2 door Standard Cab Pickup
1970 GMC C1500 2 door Pickup
1970 GMC C2500 2 door Chassis and Cab
1970 GMC C2500 2 door Pickup
1970 GMC C2600 2 door Pickup
1970 GMC C3500 2 door Chassis and Cab
1970 GMC C3500 2 door Pickup
1971 Chevrolet C10 2 door Cab and Chassis
1971 Chevrolet C10 2 door Standard Cab Pickup
1971 Chevrolet C20 2 door Cab and Chassis
1971 Chevrolet C20 2 door Standard Cab Pickup
1971 Chevrolet C20 Longhorn 2 door Standard Cab Pickup
1971 Chevrolet C30 2 door Cab and Chassis
1971 Chevrolet C30 2 door Standard Cab Pickup
1971 Chevrolet C30 Longhorn 2 door Standard Cab Pickup
1971 Chevrolet K10 2 door Standard Cab Pickup
1971 Chevrolet K20 2 door Cab and Chassis
1971 Chevrolet K20 2 door Standard Cab Pickup
1971 GMC C1500 2 door Chassis and Cab
1971 GMC C1500 2 door Pickup
1971 GMC C2500 2 door Chassis and Cab
1971 GMC C2500 2 door Pickup
1971 GMC C2600 2 door Pickup
1971 GMC C3500 2 door Chassis and Cab
1971 GMC C3500 2 door Pickup
1972 Chevrolet C10 2 door Cab and Chassis
1972 Chevrolet C10 2 door Standard Cab Pickup
1972 Chevrolet C20 2 door Cab and Chassis
1972 Chevrolet C20 2 door Standard Cab Pickup
1972 Chevrolet C20 Longhorn 2 door Standard Cab Pickup
1972 Chevrolet C30 2 door Cab and Chassis
1972 Chevrolet C30 2 door Standard Cab Pickup
1972 Chevrolet C30 Longhorn 2 door Standard Cab Pickup
1972 Chevrolet K10 2 door Standard Cab Pickup
1972 Chevrolet K20 2 door Cab and Chassis
1972 Chevrolet K20 2 door Standard Cab Pickup
1972 GMC C1500 2 door Chassis and Cab
1972 GMC C1500 2 door Pickup
1972 GMC C2500 2 door Chassis and Cab
1972 GMC C2500 2 door Pickup
1972 GMC C3500 2 door Chassis and Cab
1972 GMC C3500 2 door Pickup