Komatsu Nozzle Piston Cooling 6164-21-1810

The Komatsu Nozzle Piston Cooling 6164-21-1810 is identified in the supplied parts catalog as a CYLINDER BLOCK & COMPONENTS for specific Komatsu diesel engine and equipment configurations. Cataloged engine models include SA12V170-1 and SA12V170E-2A. Listed machine applications include D575A-2SD, D575A-2SR, and D575A-3. Use the complete model and serial-number details below to compare this part with the equipment being serviced.

What is 6164-21-1810 used for?

Part number 6164-21-1810 is cataloged as a Nozzle Piston Cooling. It appears in the CYLINDER BLOCK & COMPONENTS parts group. The correct selection depends on the engine model, machine model, and the applicable serial-number range.

Compatible engine models

SA12V170-1, SA12V170E-2A

Engine models with serial-number ranges

SA12V170-1 (Build 17A) ? Not Provided | SA12V170E-2A (Build 17B) ? Not Provided

Application models without serial numbers

D575A-2SD, D575A-2SR, D575A-3

Applications with serial-number ranges

D575A-2SD S/No. 10001-Up, D575A-2SR S/No. 10001-Up, D575A-3 S/No. 10101-Up

How do I confirm fitment?

Match 6164-21-1810 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 6164-21-1810 fit every listed Komatsu machine?
No. Fitment is limited to the cataloged engine, application, and serial-number combinations. Confirm all identifying information before ordering.