1992 - 1994 Chevrolet K3500 Door Weatherstrip Seal Kit, Glassruns, Beltlines and Door Seals. Left and Right, 8 Piece Kit. Door kit consists of: Door seals, beltlines and glass run channels. This kit is for the left and right rear doors. Our product is made from the original specs and from high quality ozone resistant materials to fit your vehicle.