Part Type: Radiator Coolant Hose. 1965 Ford Custom 500 Engine: 3.9L L6 GAS; Cut to fit; Position: Upper;. 1967 Ford Custom 500 Engine: 3.9L L6 GAS; W/O A.C.; Cut to fit; Position: Upper;. 1966 Ford Custom 500 Engine: 3.9L L6 GAS; Cut to fit; Position: Upper;.