Komatsu Piston, Pin & Clips 6137-31-2012

The Komatsu Piston, Pin & Clips 6137-31-2012 is identified in the supplied parts catalog as a CYLINDER KIT & COMPONENTS for specific Komatsu diesel engine and equipment configurations. Cataloged engine models include S4D105-5A/B and S6D105-1. Listed machine applications include PC100-1, PC100-2, PC-120-2, PW100-1, PC220-2, and PC220LC-2. Use the complete model and serial-number details below to compare this part with the equipment being serviced.

What is 6137-31-2012 used for?

Part number 6137-31-2012 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

S4D105-5A/B, S6D105-1

Engine models with serial-number ranges

S4D105-5A/B (Build 5F) ? 100028-149999 | S6D105-1 (Build 6C) ? 12124-49999

Application models without serial numbers

PC100-1, PC100-2, PC-120-2, PW100-1, PC220-2, PC220LC-2, GD505A-2

Applications with serial-number ranges

PC100-1 S/No. 1001-Up, PC100-2 S/No. 1001-Up, PC-120-2 S/No. 14001-Up, PW100-1 S/No. 1003-Up, PC220-2 S/No. 11001-Up, PC220LC-2 S/No. 11001-Up, GD505A-2 S/No. 50001-Up

How do I confirm fitment?

Match 6137-31-2012 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 6137-31-2012 fit every listed Komatsu machine?
No. Fitment is limited to the cataloged engine, application, and serial-number combinations. Confirm all identifying information before ordering.