OER Parts offers a wide selection of Cooling System Components for your 1973 Pontiac Firebird. OER Parts offers 1973 Pontiac Firebird Hose Clamps, 1973 Pontiac Firebird Heater Hose Clamps, 1973 Pontiac Firebird Radiator Hose Clamps, 1973 Pontiac Firebird Tower Style Hose Clamps, 1973 Pontiac Firebird Heat-Shrink Hose Clamps, 1973 Pontiac Firebird Corbin Style Hose Clamps, and 1973 Pontiac Firebird Radiator & Heater Hose Clamp Set.