Caterpillar 3056 Turbo Engine Inframe Overhaul Rebuild Kit, Piston 1072553

Bore: 3.937 in / 100.00 mm
Engine Serial Numbers: 6FK1-UPEngine Arrangements: 1057971, 1065001, 1065002, 1079664, 1080496, 1082783, 1151697, 1535364, 6I2216, 6I2221, 7E9558, 7E9559, 7E9650
ApplicationsBackhoe Loaders: 416B, 426C, 416C, 428B, 426B, 428CRollers: PS200B Pneumatic Roller, PS360B Pneumatic RollerHydraulic Excavators: 317, M312, 317N, M315
Parts Include in Overhaul Kit(6) Cylinder Kit (1) Piston, 1072553 (1) Piston Ring Set, 1127020 (1) Liner, 6I0164 (Flanged Fully Finished Liner)(1) Main Bearing Set, 0676869(1) Rod Bearing Set, 4P9944(1) Thrust Washer Set, 0329090, 0329091(1) Front Crankshaft Seal, 4W5359(1) Rear Crankshaft Seal, 4W5360 (To Engine Serial Number: 6FK10030)(1) Rear Crankshaft Seal, 2099218 (From Engine Serial Number: 6FK10031)(1) Head Gasket Set, 1773310(1) Lower Gasket Set, 1739716(6) Piston Pin Bushing, 7W2510(1) Camshaft Bearing, 0365802(12) Rod Bolt, 0676883(12) Rod Nut, 7W2505
Parts Include in Premium Overhaul Kit(6) Cylinder Kit (1) Piston, 1072553 (1) Piston Ring Set, 1127020 (1) Liner, 6I0164 (Flanged Fully Finished Liner)(1) Main Bearing Set, 0676869(1) Rod Bearing Set, 4P9944(1) Thrust Washer Set, 0329090, 0329091(1) Front Crankshaft Seal, 4W5359(1) Rear Crankshaft Seal, 4W5360 (To Engine Serial Number: 6FK10030)(1) Rear Crankshaft Seal, 2099218 (From Engine Serial Number: 6FK10031)(1) Head Gasket Set, 1773310(1) Lower Gasket Set, 1739716(6) Piston Pin Bushing, 7W2510(1) Camshaft Bearing, 0365802(12) Rod Bolt, 0676883(12) Rod Nut, 7W2505(1) Valve Kit (6) Intake Valve, 6I1196 (45 degree valves depending on your selection) (6) Intake Valve, 1004626 (30 degree valves depending on your selection) (6) Exhaust Valve, 7W2522 (6) Intake Guide, 1605436 (6) Exhaust Guide, 1605438 (12) Valve Spring, Inner, 6I0284 (12) Valve Spring, Outer, 6I0283 (12) Valve Seal, 1W5849 (24) Valve Lock, 0676834