Equipment owners and mechanics, this FridayParts overhaul kit is absolutely comprehensive for rebuilding your Yanmar 3TNA72 or 3TNA72L engine! Specifically designed for Kobelco SK15SR excavators, this kit includes everything you need for a complete engine rebuild. You get a full gasket set, 3 cylinder liners, 3 STD pistons with piston pins and snap rings, rod bushings, piston ring sets for all 3 pistons, plus complete bearing sets including mains, rods, and thrust bearings. The kit also includes 3 intake valves, 3 exhaust valves, and 6 valve guides - basically every major component needed to bring your engine back to like-new condition. These are new aftermarket parts that meet quality standards, providing a cost-effective alternative to OEM parts without sacrificing performance. The standard size bearings are included by default, but you can message for oversize options if your engine requires them. Whether you're a professional mechanic working on customer equipment or an equipment owner doing your own maintenance, having this complete kit on hand saves time sourcing individual components. The quality matches what you'd expect for reliable engine rebuilds, and having everything together ensures compatibility across components. If you're facing an engine overhaul on your Yanmar-powered equipment, this comprehensive kit might be exactly what you need to get your machine back to work efficiently and reliably. Seriously, for the price of a few OEM components, you're getting a complete rebuild solution that can restore your engine's performance and longevity!