OER Parts offers a wide selection of Oil System & Parts for your 1978 Pontiac Sunbird. OER Parts offers 1978 Pontiac Sunbird Bypass Valves, 1978 Pontiac Sunbird Dipsticks and Tubes, 1978 Pontiac Sunbird Filter Adapters, 1978 Pontiac Sunbird Oil Coolers, 1978 Pontiac Sunbird Oil Filters, 1978 Pontiac Sunbird Oil Pan Baffles, 1978 Pontiac Sunbird Oil Pans, 1978 Pontiac Sunbird Oil Pickup Tubes, 1978 Pontiac Sunbird Oil Pumps, and 1978 Pontiac Sunbird Oil Senders.