The AFA Industries Engine In-Frame Overhaul Kit for Caterpillar C15 ACERT ensures you are Ready for the Road Ahead , complete with upper gasket set and oil pan gasket to repair the engine while it is still in the vehicle. This heavy duty engine repair kit includes cylinder kits, rod bearings, main bearings, and thrust washers. Components: AFA-IFGC15-1 IN-FRAME GASKET SET W/OIL PAN GASKET & INJ O-RINGS 1 2531752 THRUST WASHER - STD 2 2243246 CONNECTING ROD BEARING SET - STD 6 5P8068 O-RING 1 AFA-LK3564787 CYLINDER KIT COMPLETE 6 5P5846 O-RING 1 3178766 MAIN BEARING, PLAIN - STD 7 FleetPride is your First Click in Heavy Duty .