Komatsu Water Pump Gasket Kit 6155-K6-9900

The Komatsu Water Pump Gasket Kit 6155-K6-9900 is identified in the supplied parts catalog as a COOLING SYSTEM for specific Komatsu diesel engine and equipment configurations. Cataloged engine models include S6D125E-2 & SA6D125E-2, S6D125E-2, and SA6D125E-2. Listed machine applications include D53A-17, D53P-17, D58E-1, D58E-1B, and D58P-1. Use the complete model and serial-number details below to compare this part with the equipment being serviced.

What is 6155-K6-9900 used for?

Part number 6155-K6-9900 is cataloged as a Water Pump Gasket Kit. 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

S6D125E-2 & SA6D125E-2, S6D125E-2, SA6D125E-2

Engine models with serial-number ranges

S6D125E-2 & SA6D125E-2 (Build 10B) ? 61779-Up | S6D125E-2 (Build 10F) ? Not Provided | S6D125E-2 & SA6D125E-2 (Build 10G) ? Not Provided | SA6D125E-2 (Build 10J) ? Not Provided

Application models without serial numbers

D53A-17, D53P-17, D58E-1, D58E-1B, D58P-1, D58P-1B, D65E-12, D65EX-12, D65P-12, D65PX-12, D75S-5, D85A-21, PC450-6-T2 / LC-6-T2, D85A-21B, PC450LC-6K-KE, D85C-21A / C-21D, PW400MH-6, D85E-21, D85P-21, D87P-2, HD255-5, WA450-3 / 3A-TW, WA450L-3, PC400-6 / 6C / 6Z, PC400-6-T2 / LC6-T2, PC400LC-6, PC400LC-7L, PC450-6-A1 / LC-6-A1, PC450-6K-J / LC-6K-J, PC450-6K-KE, D87E-2, PC400LC-6, PC400HD-6, PC400HD-6LK, PC400LC-6LK, WA450-3 Avance Plus, WA470-3H Active

Applications with serial-number ranges

D53A-17 S/No. 80001-Up, D53P-17 S/No. 80001-Up, D58E-1 S/No. 80888-Up, D58E-1B S/No. 80888-Up, D58P-1 S/No. 80588-Up, D58P-1B S/No. 80588-Up, D65E-12 S/No. 60942-Up, D65EX-12 S/No. 60942-Up, D65P-12 S/No. 60884-Up, D65PX-12 S/No. 60884-Up, D75S-5 S/No. 15001-Up, D85A-21 S/No. 36534-Up, PC450-6-T2 / LC-6-T2 S/No. 10001-Up, D85A-21B S/No. 36537-Up, PC450LC-6K-KE S/No. 32106-Up, D85C-21A / C-21D S/No. 36551-Up, PW400MH-6 S/No. A84210-Up, D85E-21 S/No. 36534-Up, D85P-21 S/No. 3689-Up, D87P-2 S/No. P092001-Up, HD255-5 S/No. 1001-Up, WA450-3 / 3A-TW S/No. 53001-Up, WA450L-3 S/No. 53001-Up, PC400-6 / 6C / 6Z S/No. 30001-Up, PC400-6-T2 / LC6-T2 S/No. 30001-Up, PC400LC-6 S/No. 30001-Up, PC400LC-7L S/No. A86001-Up, PC450-6-A1 / LC-6-A1 S/No. 10001-Up, PC450-6K-J / LC-6K-J S/No. 10001-Up, PC450-6K-KE S/No. 32106-Up, D87E-2 S/No. P090001-Up, PC400LC-6 S/No. A83001-Up, PC400HD-6 S/No. A83001-Up, PC400HD-6LK S/No. A84001-A85000, PC400LC-6LK S/No. A84001-A85000, WA450-3 Avance Plus S/No. A31001-Up, WA470-3H Active S/No. H20942-Up

How do I confirm fitment?

Match 6155-K6-9900 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 6155-K6-9900 fit every listed Komatsu machine?
No. Fitment is limited to the cataloged engine, application, and serial-number combinations. Confirm all identifying information before ordering.