Komatsu Nozzle Piston Cooling 6218-21-1920

The Komatsu Nozzle Piston Cooling 6218-21-1920 is identified in the supplied parts catalog as a CYLINDER BLOCK & COMPONENTS for specific Komatsu diesel engine and equipment configurations. Cataloged engine models include SA6D140-1 and SA6D140E-3 & SDA6D140E-3. Listed machine applications include PC650-3, PC650LC-3, PC650SE-3, PC650-5, and PC650E-5. Use the complete model and serial-number details below to compare this part with the equipment being serviced.

What is 6218-21-1920 used for?

Part number 6218-21-1920 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

SA6D140-1, SA6D140E-3 & SDA6D140E-3

Engine models with serial-number ranges

SA6D140-1 (Build 12C) ? Not Provided | SA6D140E-3 & SDA6D140E-3 (Build 12D) ? Not Provided

Application models without serial numbers

PC650-3, PC650LC-3, PC650SE-3, PC650-5, PC650E-5, PC650LC-5, PC650SE-5, PC710-5 / SE-5, PC1600-1, HD325-5, HD325-6/6W, D155AX-5, PC-750-6-AW, HD325-6, PC-750LC-6-AW, HD405-6, PC750LC-6K-01 / SE-6K-01, HM350-1, PC-750SE-6-AW, HM400-1, PC800-6-AW / SE-6-AW 30001-Up, D275AX-5, PC1800-6-T2, PC600-6A-KJ / 6A-W1, WA500-3, PC600-6K, WA500-3H, PC600LC-6A-CA / KJ / W1, WA500-3LK

Applications with serial-number ranges

PC650-3 S/No. 10501-Up, PC650LC-3 S/No. 10501-Up, PC650SE-3 S/No. 10501-Up, PC650-5 S/No. 20001-Up, PC650E-5 S/No. 20001-Up, PC650LC-5 S/No. 20001-Up, PC650SE-5 S/No. 20001-Up, PC710-5 / SE-5 S/No. 10001-Up, PC1600-1 S/No. 10063-Up, HD325-5 S/No. 2001-Up & A3027-Up, HD325-6/6W S/No. 5001-Up, D155AX-5 S/No. 70001-Up, PC-750-6-AW S/No. 11001-Up, HD325-6 S/No. 5001-Up, PC-750LC-6-AW S/No. 11001-Up, HD405-6 S/No. 1001-Up, PC750LC-6K-01 / SE-6K-01 S/No. K30001-Up, HM350-1 S/No. 1001-Up, PC-750SE-6-AW S/No. 11001-Up, HM400-1 S/No. 1001-Up, D275AX-5 S/No. 20001-Up, PC1800-6-T2 S/No. 10001-Up, PC600-6A-KJ / 6A-W1 S/No. 10001-Up, WA500-3 S/No. 50001-Up, PC600-6K S/No. K30001-Up, WA500-3H S/No. 20051-Up, PC600LC-6A-CA / KJ / W1 S/No. 10001-Up, WA500-3LK S/No. 71001-Up

How do I confirm fitment?

Match 6218-21-1920 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 6218-21-1920 fit every listed Komatsu machine?
No. Fitment is limited to the cataloged engine, application, and serial-number combinations. Confirm all identifying information before ordering.