OER Parts offers a wide selection of Cooling System Components for your 1984 Dodge Diplomat. OER Parts offers 1984 Dodge Diplomat Hose Clamps, 1984 Dodge Diplomat Heater Hose Clamps, 1984 Dodge Diplomat Radiator Hose Clamps, 1984 Dodge Diplomat Tower Style Hose Clamps, 1984 Dodge Diplomat Heat-Shrink Hose Clamps, 1984 Dodge Diplomat Corbin Style Hose Clamps, and 1984 Dodge Diplomat Radiator & Heater Hose Clamp Set.