OER Parts offers a wide selection of Cooling System Components for your 1966 Oldsmobile Cutlass. OER Parts offers 1966 Oldsmobile Cutlass Molded Radiator Hoses, 1966 Oldsmobile Cutlass Upper Radiator Hoses, 1966 Oldsmobile Cutlass Lower Radiator Hose, 1966 Oldsmobile Cutlass Water Pump Bypass Hose, 1966 Oldsmobile Cutlass Oil Cooler to Radiator Hose, 1966 Oldsmobile Cutlass Throttle Body to Radiator Coolant Hose, and 1966 Oldsmobile Cutlass Universal Engine Coolant Plumbing Set.