OER Parts offers a wide selection of Body Components for your 1989 Buick Century. OER Parts offers 1989 Buick Century Bumper Brackets, 1989 Buick Century Filler Panels 1989 Buick Century Guards & Bumperettes, 1989 Buick Century Hardware, 1989 Buick Century Impact Bar & Absorber, 1989 Buick Century License Plate Brackets, Hardware & Frames 1989 Buick Century License Plate Panel, 1989 Buick Century License Plates, and 1989 Buick Century Seals.