OER Parts offers a wide selection of Body Components for your 1974 Buick Riviera. OER Parts offers 1974 Buick Riviera Bumper Brackets, 1974 Buick Riviera Filler Panels 1974 Buick Riviera Guards & Bumperettes, 1974 Buick Riviera Hardware, 1974 Buick Riviera Impact Bar & Absorber, 1974 Buick Riviera License Plate Brackets, Hardware & Frames 1974 Buick Riviera License Plate Panel, 1974 Buick Riviera License Plates, and 1974 Buick Riviera Seals.