Part Name: 4TN78 4TN78T Overhaul Rebuild Kit. Engine Model: 4TN78 4TN78T. For Yanmar Engine John Deere JD50 50 Excavator. Package included: STD Engine Overhaul Rebuild Kit. 4 Pieces STD Cylinder Liners (Semi-finished). 4 Pieces STD Piston. 4 Sets STD Piston Rings. 4 Pieces STD Piston Pin. 4 Pairs STD Piston Clip. 1 Set STD Crankshaft / Main Bearing. 1 Set STD Connecting Con Rod Bearing. 1 Set STD Thrust Washer / Bearing. We mainly produce and sell the following parts. If you need, please let us know. Cylinder head, cylinder head assembly, cylinder liner, piston, piston pin, piston ring. Valves (intake, exhaust, seat and conduit), springs. Bushing, main bearing and connecting rod bearing. Water pump, oil pump, fuel pump, fuel injector. Crankshaft, camshaft, connecting rod. Full Gasket Kit with Head Gasket. UPS Surepost usually takes 1-6 workdays. UPS Ground usually takes 1-5 workdays. If you don’t receive package over 30 business workdays, please inform us. Duty for International Buyers. We will do our best to offer you satisfied resolutions.