According to the original factory specifications. Fitment: 1999 thru 2001 For all Ford Super Duty F-250, F-350, F-450 & F-550 with the 7.3L Diesel Engine: Fit for Ford Excursion V8 7.3L Diesel Engine Wiring Harness Fit for Ford F250 Super Duty Truck V8 7.3L Diesel Automatic Transmission Engine Wiring Harness Fit for Ford F350 Super Duty Truck V8 7.3L Diesel Automatic Transmission Engine Wiring Harness Fit for Ford F450 Truck V8 7.3L Diesel Automatic Transmission Engine Wiring Harness Fit for Ford F550 Truck V8 7.3L Diesel Automatic Transmission Engine Wiring Harness Part Number: F81Z-12B637-EA Package Included: 1 Set Complete 7.3L Engine Wire Harness with new glow plug and intake heater relays (as shown in the picture). Items sent from UK warehouse. It may have a little delay during some holiday (such as Christmas), any problem, please feel free to contact. Always believe we can solve problems by communication if there are any problems. And if a return is the last solution, the product must be intact and the same as you receive, also should be within 30 days after you receive your package.
