Komatsu Water Pump Assy 6204-61-1304

The Komatsu Water Pump Assy 6204-61-1304 is identified in the supplied parts catalog as a COOLING SYSTEM for specific Komatsu diesel engine and equipment configurations. Cataloged engine models include 4D95S-W-1G-E and 4D95S-1H/1J. Listed machine applications include D20P-6 / D20P-6A, D20PL-6 / PLL-6, D20Q-6 / S-6, D21A-6 / E-6, and D21P-6 / D21P-6A / D21P-6B. Use the complete model and serial-number details below to compare this part with the equipment being serviced.

What is 6204-61-1304 used for?

Part number 6204-61-1304 is cataloged as a Water Pump Assy. It appears in the COOLING SYSTEM parts group. The correct selection depends on the engine model, machine model, and the applicable serial-number range.

Compatible engine models

4D95S-W-1G-E, 4D95S-1H/1J

Engine models with serial-number ranges

4D95S-W-1G-E (Build 1F) ? 23318-Up | 4D95S-1H/1J (Build 1G) ? 124813-Up

Application models without serial numbers

D20P-6 / D20P-6A, D20PL-6 / PLL-6, D20Q-6 / S-6, D21A-6 / E-6, D21P-6 / D21P-6A / D21P-6B, D21PL-6, D21S-6 / S-6A, D20P-7A / D20PG-7A, D20PL-7, D21A-7 / D21AG-7 / D21PG-7A, D21QG-7 / S-7

Applications with serial-number ranges

D20P-6 / D20P-6A S/No. 60001-Up, D20PL-6 / PLL-6 S/No. 60001-Up, D20Q-6 / S-6 S/No. 60001-Up, D21A-6 / E-6 S/No. 60001-Up, D21P-6 / D21P-6A / D21P-6B S/No. 60001-Up, D21PL-6 S/No. 60001-Up, D21S-6 / S-6A S/No. 60001-Up, D20P-7A / D20PG-7A S/No. 75001-78603, D20PL-7 S/No. 62001-62453, D21A-7 / D21AG-7 / D21PG-7A S/No. 75001-78603, D21QG-7 / S-7 S/No. 61001-61131

How do I confirm fitment?

Match 6204-61-1304 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 6204-61-1304 fit every listed Komatsu machine?
No. Fitment is limited to the cataloged engine, application, and serial-number combinations. Confirm all identifying information before ordering.