Crankshaft Main Bearing Kit for Jeep 02-12 WK, XK, KK, KJ Models w/ 3.7L Engines Crown AutomotiveCrankshaft Main Bearing Kit for Jeep 2005 2010 WK, WH Grand Cherokee, 2006 2010 XK, XH Commander, 2002 2012 KJ, KK Liberty, All w 3. 7L Engines, Includes Thrust Washers (2) Features and Benefits: 12 Month Warranty For Models w 3. 7L Engine Includes 4 Crankshaft Bearings and 2 Thrust Washers Standard Size Use Existing Hardware Details: Material: Metal Color: Silver Hardware Included: Use Existing Hardware Application: 2002 2007 Jeep KJ Liberty w 3. 7L