A full overhaul kit is the most cost-effective way to restore engine performance. Our Yuchai overhaul kits are matched to OEM part numbers for the YC4F, YC4D, YC4E, YC4G, YC6A, YC6J, YC6L, YC6M and YC6MK engine series and packed with pistons, rings, cylinder liners, gasket sets and bearings. Tell us your engine serial number and we will confirm the exact kit.
Overhaul Kits, Inframe & Out-of-Frame
Choose from complete engine overhaul kits, inframe overhaul kits, in-frame rebuild kits and out-of-frame kits — pistons, liners, rings, gaskets and bearings in one box.
Comparing kits across brands? Our diesel engine overhaul kit guide explains what each kit contains, the difference between an inframe kit and a full overhaul kit, and how to choose. You can also search by OEM part number.