1979 - 1980 GMC G3500 Windshield Weatherstrip Seal Without Trim Groove, Self Locking Type. This windshield seal goes first on the body then the glass is placed in the opening. Tucking in the self locking strip secures the glass in place. It is a standard black gasket without trim groove. Our product is made from the original specs and from high quality ozone resistant materials.
