Over time all internal engine wear surfaces become worn. This is true for crankshaft journals, connecting rods, camshaft lobes, piston rings, bearings, etc. When rebuilding a worn out engine you'll need to replace them all in order to regain the engine's original performance. And, let's face it, Jeep's need all the power Omix-ADA can get. Omix-ADA offers new high quality replacement engine parts to get your Jeep back on the road. This replacement connecting rod bearing fits 02-06 Wrangler TJ and 02-05 Liberty KJ models equipped with 2.4 liter engines with 0.030-inch under size crank. Replaces OE CR4256AM.030