Komatsu Ring Set Piston 6216-34-2990

The Komatsu Ring Set Piston 6216-34-2990 is identified in the supplied parts catalog as a CYLINDER KIT & COMPONENTS for specific Komatsu diesel engine and equipment configurations. Cataloged engine models include SAA12V140ZE-2. Listed machine applications include HD785-5LC. Use the complete model and serial-number details below to compare this part with the equipment being serviced.

What is 6216-34-2990 used for?

Part number 6216-34-2990 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

SAA12V140ZE-2

Engine models with serial-number ranges

SAA12V140ZE-2 (Build 13D) ? Not Provided

Application models without serial numbers

HD785-5LC

Applications with serial-number ranges

HD785-5LC S/No. A10224-Up

How do I confirm fitment?

Match 6216-34-2990 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 6216-34-2990 fit every listed Komatsu machine?
No. Fitment is limited to the cataloged engine, application, and serial-number combinations. Confirm all identifying information before ordering.