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