OK4310 - Major Overhaul-Rebuild Kit

John Deere Major Engine Overhaul Kit for 4.219 Diesel, 300 Series engine. 4 Cyl. O-Rings on liner. Standard bore: 4.02” (102mm), Piston Pin: 1.185” (30mm). Kit includes: Piston Liner Kit, Main Bearing, Thrust Bearing, Connecting Rod Bearing Set, Connecting Rod Bushing, Connecting Rod Capscrew, Front Crankshaft Seal, Rear Crankshaft Seal, Balancer Shaft Bushing, and Overhaul Gasket without Seals. Fits John Deere models: 440A and 2520.