Komatsu Ring Set Piston 6261-31-2030

The Komatsu Ring Set Piston 6261-31-2030 is identified in the supplied parts catalog as a CYLINDER KIT & COMPONENTS for specific Komatsu diesel engine and equipment configurations. Cataloged engine models include SAA6D140E-5A/B/C and SAA12V140E-3. Listed machine applications include D27AX-5EO, PC600LC-8, WA500-7, HD785-7, and PC2000. Use the complete model and serial-number details below to compare this part with the equipment being serviced.

What is 6261-31-2030 used for?

Part number 6261-31-2030 is cataloged as a Ring Set Piston. 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

SAA6D140E-5A/B/C, SAA12V140E-3

Engine models with serial-number ranges

SAA6D140E-5A/B/C (Build 12E) ? 530001-Up | SAA12V140E-3 (Build 13E) ? Not Provided

Application models without serial numbers

D27AX-5EO, PC600LC-8, WA500-7, HD785-7, PC2000, WA900

How do I confirm fitment?

Match 6261-31-2030 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 6261-31-2030 fit every listed Komatsu machine?
No. Fitment is limited to the cataloged engine, application, and serial-number combinations. Confirm all identifying information before ordering.