OER Parts offers a wide selection of Oil System & Parts for your 1972 Buick Estate Wagon. OER Parts offers 1972 Buick Estate Wagon Bypass Valves, 1972 Buick Estate Wagon Dipsticks and Tubes, 1972 Buick Estate Wagon Filter Adapters, 1972 Buick Estate Wagon Oil Coolers, 1972 Buick Estate Wagon Oil Filters, 1972 Buick Estate Wagon Oil Pan Baffles, 1972 Buick Estate Wagon Oil Pans, 1972 Buick Estate Wagon Oil Pickup Tubes, 1972 Buick Estate Wagon Oil Pumps, and 1972 Buick Estate Wagon Oil Senders.