Komatsu Piston, Pin & Clips 6205-31-2190WP

The Komatsu Piston, Pin & Clips 6205-31-2190WP is identified in the supplied parts catalog as a CYLINDER KIT & COMPONENTS for specific Komatsu diesel engine and equipment configurations. Cataloged engine models include S4D95LE-3A-2. Listed machine applications include PC78MR-6-N and PC78US-6-N. Use the complete model and serial-number details below to compare this part with the equipment being serviced.

What is 6205-31-2190WP used for?

Part number 6205-31-2190WP is cataloged as a Piston, Pin & Clips. 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

S4D95LE-3A-2

Engine models with serial-number ranges

S4D95LE-3A-2 (Build 1K) ? 100001-Up

Application models without serial numbers

PC78MR-6-N, PC78US-6-N

Applications with serial-number ranges

PC78MR-6-N S/No. 1001-Up, PC78US-6-N S/No. 4001-Up

How do I confirm fitment?

Match 6205-31-2190WP 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 6205-31-2190WP fit every listed Komatsu machine?
No. Fitment is limited to the cataloged engine, application, and serial-number combinations. Confirm all identifying information before ordering.