Komatsu Filter Water 6742-01-3990

The Komatsu Filter Water 6742-01-3990 is identified in the supplied parts catalog as a FILTERS for specific Komatsu diesel engine and equipment configurations. Cataloged engine models include S6D114-1. Listed machine applications include D61E-12 / P-12, D61EX-12, D61PX-12, PC300LC-6 / HD-6LC, and PC300LC-6 /HD-6LE. Use the complete model and serial-number details below to compare this part with the equipment being serviced.

What is 6742-01-3990 used for?

Part number 6742-01-3990 is cataloged as a Filter Water. It appears in the FILTERS parts group. The correct selection depends on the engine model, machine model, and the applicable serial-number range.

Compatible engine models

S6D114-1

Engine models with serial-number ranges

S6D114-1 (Build 9A) ? Not Provided | S6D114-1 (Build 9B) ? Not Provided

Application models without serial numbers

D61E-12 / P-12, D61EX-12, D61PX-12, PC300LC-6 / HD-6LC, PC300LC-6 /HD-6LE, PC300LL-6, PC340-6K, PC340LC-6K, PC340NLC-6K, PC380LC-6K, WA320-3 Avance Plus, WA320-3H Active, WA320-3L, WA380-3 Avance Plus, WA380-3H Active, WA380-3L, WA420-3 Avance Plus A31001-Up, WA420-3H Active, WA420-L, GD650A/AW-2B/2C, GD650A/AW-2B/2EY, GD670A/AW-2B/2C, GD670A/AW-2B/2EY, WA320-1LC, WA380-1LC, WA420-1LC, GD650A/AW-1, GD650A/AW-2A/2B/2C, GD650A-2, GD670A-AW-1

Applications with serial-number ranges

D61E-12 / P-12 S/No. 1001-Up, D61EX-12 S/No. 1001-Up, D61PX-12 S/No. 1001-Up, PC300LC-6 / HD-6LC S/No. A80001-A83001, PC300LC-6 /HD-6LE S/No. A83001-A84000, PC300LL-6 S/No. A84001-Up, PC340-6K S/No. K30001-Up, PC340LC-6K S/No. K30001-Up, PC340NLC-6K S/No. K30001-Up, PC380LC-6K S/No. K30001-Up, WA320-3 Avance Plus S/No. A31001-Up, WA320-3H Active S/No. 20561-Up, WA320-3L S/No. A30001-Up, WA380-3 Avance Plus S/No. A51001-Up, WA380-3H Active S/No. 20501-Up, WA380-3L S/No. A50001-Up, WA420-3H Active S/No. 30297-Up, WA420-L S/No. A30001-Up, GD650A/AW-2B/2C S/No. 202002-Up, GD650A/AW-2B/2EY S/No. 210098-Up, GD670A/AW-2B/2C S/No. 202002-Up, GD670A/AW-2B/2EY S/No. 210098-Up, WA320-1LC S/No. A25001-Up, WA380-1LC S/No. A45001-Up, WA420-1LC S/No. A25001-Up, GD650A/AW-1 S/No. 200840-201999, GD650A/AW-2A/2B/2C S/No. 202002-Up, GD650A-2 S/No. 202001-Up, GD670A-AW-1 S/No. 200840-201999

How do I confirm fitment?

Match 6742-01-3990 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 6742-01-3990 fit every listed Komatsu machine?
No. Fitment is limited to the cataloged engine, application, and serial-number combinations. Confirm all identifying information before ordering.