Dana engineering-approved for fit, form and function. 1999 Ford E-450 Econoline Super Duty Engine: 7.3L V8; O-Ring Type; At Thermostat Housing; Replaces OE Part Number(s) F4TZ-8255-A;. 2000 Ford E-450 Econoline Super Duty Engine: 7.3L V8; O-Ring Type; At Thermostat Housing; Replaces OE Part Number(s) F4TZ-8255-A;.
