OER Parts offers a wide selection of Automatic Trans & Components for your 1977 Buick Riviera. OER Parts offers 1977 Buick Riviera Complete Transmission, 1977 Buick Riviera Cooler Lines, 1977 Buick Riviera Dipsticks & Tubes, 1977 Buick Riviera Flex Plate, 1977 Buick Riviera Gaskets, Seals, Filters & Hardware 1977 Buick Riviera Modulator Valves, 1977 Buick Riviera Shift Knobs, 1977 Buick Riviera Shift Linkage, 1977 Buick Riviera Shifters - OE, 1977 Buick Riviera Shifters - Performance, 1977 Buick Riviera Torque Converter & Covers, 1977 Buick Riviera Transmission Pans, and 1977 Buick Riviera Vacuum Lines.