OER Parts offers a wide selection of Oil System & Parts for your 1980 Pontiac Firebird. OER Parts offers 1980 Pontiac Firebird Bypass Valves, 1980 Pontiac Firebird Dipsticks and Tubes, 1980 Pontiac Firebird Filter Adapters, 1980 Pontiac Firebird Oil Coolers, 1980 Pontiac Firebird Oil Filters, 1980 Pontiac Firebird Oil Pan Baffles, 1980 Pontiac Firebird Oil Pans, 1980 Pontiac Firebird Oil Pickup Tubes, 1980 Pontiac Firebird Oil Pumps, and 1980 Pontiac Firebird Oil Senders.