Komatsu Fuel Nozzle Injector 6211-11-3520

The Komatsu Fuel Nozzle Injector 6211-11-3520 is identified in the supplied parts catalog as a FUEL SYSTEM for specific Komatsu diesel engine and equipment configurations. Cataloged engine models include S6D140-1. Listed machine applications include WA500-1, WA500-1L, WA500-3, D135A-2, and D155A-3. Use the complete model and serial-number details below to compare this part with the equipment being serviced.

What is 6211-11-3520 used for?

Part number 6211-11-3520 is cataloged as a Fuel Nozzle Injector. It appears in the FUEL SYSTEM parts group. The correct selection depends on the engine model, machine model, and the applicable serial-number range.

Compatible engine models

S6D140-1

Engine models with serial-number ranges

S6D140-1 (Build 12A) ? Not Provided

Application models without serial numbers

WA500-1, WA500-1L, WA500-3, D135A-2, D155A-3, D155AX-3, GD825A-2

Applications with serial-number ranges

WA500-1 S/No. 10001-Up & A20131-Up, WA500-1L S/No. A20854-Up, WA500-3 S/No. 50001-Up, D135A-2 S/No. 10301-Up, D155A-3 S/No. 60001-Up, D155AX-3 S/No. 60001-Up, GD825A-2 S/No. 11001-Up

How do I confirm fitment?

Match 6211-11-3520 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 6211-11-3520 fit every listed Komatsu machine?
No. Fitment is limited to the cataloged engine, application, and serial-number combinations. Confirm all identifying information before ordering.