Major Engine Overhaul Kit

Major Engine Overhaul Kit Major John Deere Overhaul Kit for engine 6.303 Diesel, 300 Series. 6 Cyl. with Block #: R53260, R55035, R55351, R72970, R79280, T32346. Standard Bore: 3.86” (98mm), 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, and Overhaul Gasket Set without Seals. Fits John Deere models: 3120, 3420, and 544. 6 Cyl. ^ Block: R53260, R55035, R55351, R72970, R79280, T32346 Bore: 3.86" / 98mm Pin Size: 1.185" / 30mm