Komatsu Nozzle Piston Cooling 6211-21-1900

The Komatsu Nozzle Piston Cooling 6211-21-1900 is identified in the supplied parts catalog as a CYLINDER BLOCK & COMPONENTS for specific Komatsu diesel engine and equipment configurations. Cataloged engine models include SA6D140E-2 & SAA6D140E-2, SA12V140-1, SAA12V140-1, and SDA12V140-1. Listed machine applications include D155AX-3, PC1600SP-1, D155A-3, PC1800-6, and D155A-5. Use the complete model and serial-number details below to compare this part with the equipment being serviced.

What is 6211-21-1900 used for?

Part number 6211-21-1900 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

SA6D140E-2 & SAA6D140E-2, SA12V140-1, SAA12V140-1, SDA12V140-1, SAA12V140ZE-2

Engine models with serial-number ranges

SA6D140E-2 & SAA6D140E-2 (Build 12B) ? Not Provided | SA12V140-1 (Build 13A) ? Not Provided | SAA12V140-1 (Build 13B) ? Not Provided | SDA12V140-1 (Build 13C) ? Not Provided | SAA12V140ZE-2 (Build 13D) ? Not Provided

Application models without serial numbers

D155AX-3, PC1600SP-1, D155A-3, PC1800-6, D155A-5, GD825A-1, D155AX-5, GD825A-2, D355C-3-A, HD325-6, D355C-3-DA, HD325-6Z, PC750-6 /LC-6 / SE-6, HD405-6, PC750LC-6K-01, HD405-6, PC750SE-6K / 6K-01, WD500-3, PC800-6 / SE-6, D475A-2, WA800-2, WA800-3, WA900-1, WA900-1L, WA900-3, HD785-3, HD785-5, HD985-3, HD985-5, WA800-2LC, WA800-3LC, WA900-1LC, WA900-3LC, D475A-3RP, HD785-5LC

Applications with serial-number ranges

D155AX-3 S/No. 60001-Up, PC1600SP-1 S/No. 10001-Up, D155A-3 S/No. 60001-Up, PC1800-6 S/No. 10001-Up, D155A-5 S/No. 65001-Up, GD825A-1 S/No. 10002-Up, D155AX-5 S/No. 70001-Up, GD825A-2 S/No. 11001-Up, D355C-3-A S/No. 23933-Up, HD325-6 S/No. 5001-Up, D355C-3-DA S/No. 14263-Up, HD325-6Z S/No. 5001-Up, PC750-6 /LC-6 / SE-6 S/No. 10001-Up, HD405-6 S/No. 1001-Up, PC750LC-6K-01 S/No. K30001-Up, HD405-6 S/No. 5001-Up, PC750SE-6K / 6K-01 S/No. K30001-Up, WD500-3 S/No. 50001-Up, PC800-6 / SE-6 S/No. 30001-Up, D475A-2 S/No. 10201-Up, WA800-2 S/No. 10001-Up, WA800-3 S/No. 50001-Up, WA900-1 S/No. 10001-Up, WA900-1L S/No. A20001-A20007, WA900-3 S/No. 50001-Up, HD785-3 S/No. 2001-Up, HD785-5 S/No. 4001-Up, HD985-3 S/No. 1001-Up, HD985-5 S/No. 1021-Up, WA800-2LC S/No. A20020-Up, WA800-3LC S/No. A50001-Up, WA900-1LC S/No. A20008-Up, WA900-3LC S/No. A50001-Up, D475A-3RP S/No. 10601-Up, HD785-5LC S/No. A10224-Up

How do I confirm fitment?

Match 6211-21-1900 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 6211-21-1900 fit every listed Komatsu machine?
No. Fitment is limited to the cataloged engine, application, and serial-number combinations. Confirm all identifying information before ordering.