One New Aftermarket Replacement Loader Bucket Hydraulic Cylinder Seal Kit for Komatsu Backhoe Loaders

This hydraulic cylinder seal kit restores the loader (front/loading shovel) bucket cylinders on Komatsu WB-series backhoe loaders, sealing the rod and piston to eliminate fluid leaks and restore cylinder performance. The kit includes a press-in wiper, U-seal and buffer rod seal, and a 4-piece capped T-seal piston seal set sized for a 50 mm rod and 80 mm bore cylinder.

Specifications

• Rod Diameter: 50 mm
• Bore Diameter: 80 mm
• Rod Seal Type: Press-in Wiper, U-Seal and Buffer
• Piston Seal Type: 4-Piece Capped T-Seal
• Application: Loader/Loading Shovel (L/S) Bucket Cylinders
• Use With Cylinder Numbers: 395013017, 395013019, 395013022

Serial Number Restrictions - Verify Before Ordering

WB140-2: L/S Bucket Cylinder 395013017 - S/N 140F10001 to 140F11450; L/S Bucket LH Cylinder 395013017 - S/N 140F11451-Up; L/S Bucket RH Cylinder 395013019 - S/N 140F11451-Up

WB140-2N: L/S Bucket Cylinder 395013017 - S/N A20001 to A20636; L/S Bucket LH Cylinder 395013017 - S/N A20637 to A20813; L/S Bucket RH Cylinder 395013019 - S/N A20637 to A20813; Cylinder 395013022 - S/N A20814-Up

WB140PS-2: L/S Bucket - S/N 140F50001-Up

WB140PS-2N: L/S Bucket LH and RH - S/N A40001-Up

WB150-2: L/S Bucket - S/N 150F10001-Up; L/S Bucket LH and RH - S/N 150F10293-Up

WB150-2N: L/S Bucket LH and RH - S/N A60001-Up

WB150AWS-2: L/S Bucket LH and RH - S/N 150F80001-Up

WB150AWS-2N: L/S Bucket LH and RH - S/N A90001-Up

WB150PS-2: L/S Bucket - S/N 150F50001 to 150F50019; L/S Bucket LH and RH - S/N 150F50020-Up

WB150PS-2N: L/S Bucket LH and RH - S/N A70001-Up

Also fits: WB91R, WB93R, WB97R, WB97S series backhoe loaders (verify cylinder number before ordering).

Replaces Part Number(s):

878000487, 878000487-A

New aftermarket replacement part - not remanufactured, not used.