Komatsu Liner 4919951

The Komatsu Liner 4919951 is identified in the supplied parts catalog as a CYLINDER KIT & COMPONENTS for specific Komatsu diesel engine and equipment configurations. Cataloged engine models include SAA6D107E-1 and SAA4D107E-1. Listed machine applications include PC200-7, PC200LC-8, PC210-8, PW140-7/PW148-8/PW160-7E0/PW160-8, and PC160LC-8. Use the complete model and serial-number details below to compare this part with the equipment being serviced.

What is 4919951 used for?

Part number 4919951 is cataloged as a Liner. 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

SAA6D107E-1, SAA4D107E-1

Engine models with serial-number ranges

SAA6D107E-1 (Build 26A) ? 26500006-Up | SAA4D107E-1 (Build 28A) ? 21720884-Up

Application models without serial numbers

PC200-7, PC200LC-8, PC210-8, PW140-7/PW148-8/PW160-7E0/PW160-8, PC160LC-8, D39EX-22/D39PX-22, WA200-6, PC200-8E0/PC200LC-8E0, PC190LC/NLC-8, HB205-1/HB215LC-1

How do I confirm fitment?

Match 4919951 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 4919951 fit every listed Komatsu machine?
No. Fitment is limited to the cataloged engine, application, and serial-number combinations. Confirm all identifying information before ordering.