Komatsu Cylinder Kit KMP2120

The Komatsu Cylinder Kit KMP2120 is identified in the supplied parts catalog as a CYLINDER KIT & COMPONENTS for specific Komatsu diesel engine and equipment configurations. Cataloged engine models include SA6D110-1. Listed machine applications include D66S-1, WA380-1, WA400-1, and WA420-1. Use the complete model and serial-number details below to compare this part with the equipment being serviced.

What is KMP2120 used for?

Part number KMP2120 is cataloged as a Cylinder Kit. 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

SA6D110-1

Engine models with serial-number ranges

SA6D110-1 (Build 8B) ? 50001-Up

Application models without serial numbers

D66S-1, WA380-1, WA380-1, WA400-1, WA420-1

Applications with serial-number ranges

D66S-1 S/No. 1001-Up, WA380-1 S/No. 10001-Up, WA380-1 S/No. A20012-Up, WA400-1 S/No. 10001-Up, WA420-1 S/No. 10001-Up

How do I confirm fitment?

Match KMP2120 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 KMP2120 fit every listed Komatsu machine?
No. Fitment is limited to the cataloged engine, application, and serial-number combinations. Confirm all identifying information before ordering.