Tune Up Kit for 1999-2004 WJ, WG Grand Cherokee w/ 4.7L Engine (Except HO) Crown AutomotiveTune Up Kit for 1999 2004 WJ, WG Grand Cherokee w 4. 7L Engine (Except High Output Engine), Includes Air Filter, Oil Filter, Fuel Filter and Spark Plugs Features and Benefits: 12 Month Warranty For Models w 4. 7L Engine (Except High Output) Includes Air Filter, Oil Filter, Fuel Filter and Spark Plugs Spark Plugs Are Not Pre Gapped Use Existing Hardware Details: Material: See Components Hardware Included: Use Existing Hardware Interchange: TK 36