Komatsu Oil Pump 6166-51-1100

The Komatsu Oil Pump 6166-51-1100 is identified in the supplied parts catalog as a LUBRICATING OIL SYSTEM for specific Komatsu diesel engine and equipment configurations. Cataloged engine models include SA12V170-1. Listed machine applications include D575A-2SD and D575A-2SR. Use the complete model and serial-number details below to compare this part with the equipment being serviced.

What is 6166-51-1100 used for?

Part number 6166-51-1100 is cataloged as a Oil Pump. It appears in the LUBRICATING OIL SYSTEM parts group. The correct selection depends on the engine model, machine model, and the applicable serial-number range.

Compatible engine models

SA12V170-1

Engine models with serial-number ranges

SA12V170-1 (Build 17A) ? Not Provided

Application models without serial numbers

D575A-2SD, D575A-2SR

Applications with serial-number ranges

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

How do I confirm fitment?

Match 6166-51-1100 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 6166-51-1100 fit every listed Komatsu machine?
No. Fitment is limited to the cataloged engine, application, and serial-number combinations. Confirm all identifying information before ordering.