OER Parts offers a wide selection of Cooling System Components for your 1960 GMC 3500. OER Parts offers 1960 GMC 3500 Molded Radiator Hoses, 1960 GMC 3500 Upper Radiator Hoses, 1960 GMC 3500 Lower Radiator Hose, 1960 GMC 3500 Water Pump Bypass Hose, 1960 GMC 3500 Oil Cooler to Radiator Hose, 1960 GMC 3500 Throttle Body to Radiator Coolant Hose, and 1960 GMC 3500 Universal Engine Coolant Plumbing Set.