OER Parts offers a wide selection of Oil System & Parts for your 1975 Buick Apollo. OER Parts offers 1975 Buick Apollo Bypass Valves, 1975 Buick Apollo Dipsticks and Tubes, 1975 Buick Apollo Filter Adapters, 1975 Buick Apollo Oil Coolers, 1975 Buick Apollo Oil Filters, 1975 Buick Apollo Oil Pan Baffles, 1975 Buick Apollo Oil Pans, 1975 Buick Apollo Oil Pickup Tubes, 1975 Buick Apollo Oil Pumps, and 1975 Buick Apollo Oil Senders.