One New Aftermarket Replacement Hydraulic Blade Lift Cylinder Seal Kit for Komatsu D20 / D21 Series Crawler Dozers

This aftermarket replacement hydraulic cylinder seal kit rebuilds the blade lift cylinder on Komatsu D20 and D21 Series crawler dozers and crawler tractor-loaders. Sized for a 35 mm rod and 70 mm bore, the kit includes all seals needed to restore proper cylinder function and stop hydraulic leaks at the rod and piston.

Serial Number Restriction: Fits machines with Serial Numbers 75001-78603. Verify your serial number before ordering.

Specifications

• Rod Diameter: 35 mm
• Bore Diameter: 70 mm
• Cylinder Type: Blade Lift Cylinder

Compatible Models

Komatsu D20 / D21 Series Crawler Dozers and Tractor-Loaders (Serial Numbers 75001-78603): D20A-7, D20P-7A, D21A-7, D21P-7A

Replaces Part Number(s):

101-63-02010K, 101-63-02010K-A, 1016302010K, HYI40-0001

New aftermarket replacement part - not remanufactured, not used.