OER Parts offers a wide selection of Trunk Moldings for your Buick GS 400. OER Parts offers Buick GS 400 Trunk Lid Molding Set, Buick GS 400 Rear Panel Molding, Buick GS 400 Upper Trunk Lid Molding, Buick GS 400 Trunk Center Molding (Trunk Spear), Buick GS 400 Lower Trunk Molding, Buick GS 400 Rear Cove Moldings, Buick GS 400 Trunk Lid Molding, Buick GS 400 Deck Lid Molding, and Buick GS 400 Rear Cove Panel Set.