This is a New Aftermarket Exhaust Manifold for the 4.6L Ford Engine.Item Description : Driver Side ( LH-Side), 4.6L, V-8 Engine.Expedition, F150, F250.Part : RH XL3E 9431 ,Other Information : 2004 Year Models this Fits Heritage Model OnlyMake / Model :EXPEDITION: 1999-2002, 4.6LFORD F150 PICKUP: 2004, 4.6L ( Heritage )FORD F150 PICKUP: 1999-2003, 4.6LFORD F250 PICKUP: 1999, 4.6L