Komatsu Piston, Clips, Pin & Rings 0.50MM 6731-31-2170

The Komatsu Piston, Clips, Pin & Rings 0.50MM 6731-31-2170 is identified in the supplied parts catalog as a CYLINDER KIT & COMPONENTS for specific Komatsu diesel engine and equipment configurations. Cataloged engine models include S4D102E-1. Listed machine applications include D32E-1, D32P-1, D32E-1A, and D32P-1A. Use the complete model and serial-number details below to compare this part with the equipment being serviced.

What is 6731-31-2170 used for?

Part number 6731-31-2170 is cataloged as a Piston, Clips, Pin & Rings 0.50MM. It appears in the CYLINDER KIT & COMPONENTS parts group. The correct selection depends on the engine model, machine model, and the applicable serial-number range.

Compatible engine models

S4D102E-1

Engine models with serial-number ranges

S4D102E-1 (Build 3C) ? Not Provided

Application models without serial numbers

D32E-1, D32P-1, D32E-1A, D32P-1A

Applications with serial-number ranges

D32E-1 S/No. 75718-Up, D32P-1 S/No. 75718-Up, D32E-1A S/No. 76093-Up, D32P-1A S/No. 76093-Up

How do I confirm fitment?

Match 6731-31-2170 to the existing part number and verify the complete engine model, equipment model, and serial number. A shared model name does not confirm compatibility because production changes can affect the required component.

Frequently asked question

Will 6731-31-2170 fit every listed Komatsu machine?
No. Fitment is limited to the cataloged engine, application, and serial-number combinations. Confirm all identifying information before ordering.