Major John Deere Overhaul Kit for engine 6.531A Diesel, 500 Series. 6 Cyl. with Block #: R48260,
R72129, R80401, ROD#: R48315, R53287, R58883, R66926. Standard Bore: 4.75” (121mm), Piston Pin:
1.875” (47.6mm). Kit includes: Piston Liner Kit, Main Bearing, Thrust Bearing, Thrust Washer Set,
Connecting Rod Bearing, Front Crankshaft Seal, Rear Seal, Connecting Rod Bushing, Connecting Rod
Bolt, and Camshaft Bearing. Fits John Deere models: 6030 and 7520.
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6 CYL. BLOCK: R48260, R72129, R80401, ROD#: R48315, R53287, R58883, R66926; PISTON MARKED: AR66347,
AR53227
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Bore: 4.75" 121mm, Pin: 1.875", 47.6mm
Fits the following makes and models:
John Deere TRACTOR: 6030 (6.531A 6CYL ENG)
John Deere TRACTOR: 7520 (6.531A 6CYL ENG)