Rear Quarter Window Gaskets

This pair of Rear Quarter Window Gaskets includes left and right side weatherstrips designed to seal the large rear quarter windows on your 1957-1958 Buick and Oldsmobile wagons. Molded from factory-type extrusion with precise corners, these gaskets offer a seamless, tight fit that keeps out water and wind.

• Accurate fit based on original factory part numbers 1177786 and 1177787
• Made from top quality rubber for durability and longevity
• Includes both left-hand (LH) and right-hand (RH) gaskets
• Recommended installation with Windshield and Body Sealant 96-8509-96 for best sealing

For a smooth install, consider adding our Rope-In Glass Installation Kit to your order. Hand crafted in the USA and guaranteed to fit your classic wagon, these gaskets restore proper sealing and reduce drafts and leaks around your rear quarter windows.