OER Parts offers a wide selection of Oil System & Parts for your 1984 Pontiac Firebird. OER Parts offers 1984 Pontiac Firebird Bypass Valves, 1984 Pontiac Firebird Dipsticks and Tubes, 1984 Pontiac Firebird Filter Adapters, 1984 Pontiac Firebird Oil Coolers, 1984 Pontiac Firebird Oil Filters, 1984 Pontiac Firebird Oil Pan Baffles, 1984 Pontiac Firebird Oil Pans, 1984 Pontiac Firebird Oil Pickup Tubes, 1984 Pontiac Firebird Oil Pumps, and 1984 Pontiac Firebird Oil Senders.