(1) NEW GENUINE FORD OEM PART NUMBER: 1R3Z-8L603-AA 1R3Z86L603AA. DESCRIPTION: RADIATOR RESISTOR 4.6L V8. This is the module that fits in the cooling fan shroud.The item "(1) NEW FORD OEM RADIATOR RESISTOR 4.6L V8 2001-2004 FORD MUSTANG 1R3Z-8L603-AA" is in sale since Monday, October 16, 2017. This item is in the category "eBay Motors\Parts & Accessories\Car & Truck Parts\Cooling Systems\Radiators & Parts". The seller is "autoproamerica" and is located in Paterson, New Jersey. This item can be shipped worldwide.