Dana engineering-approved for fit, form and function. 1996 Ford Econoline Super Duty Engine: 7.3L V8; O-Ring Type; Thermostat Inlet; Replaces OE Part Number(s) YC3Z-8255-AA;. 1997 Ford Econoline Super Duty Engine: 7.3L V8; O-Ring Type; Thermostat Inlet; Replaces OE Part Number(s) YC3Z-8255-AA;.
