+3 Engine Wiring Harnesses for 7.3l 1999-2001 Ford Powerstroke F250-F550 Excursion KB-7.3lEWH-F81Z-12B637-EA $260.95 In stock Quantity: 1 Add to Bag Product Details Cross Reference:: F81Z-12B637-EA Complete Engine Wiring harness for 7.3 1999-2001 Ford Powerstroke Engines. Fits: 1999-2001 7.3l Ford Powerstroke engines. Replaces OE#: F81Z-12B637-EA*Does not fit E99 engines Save this product for later Favorite