Komatsu Thermostat Gasket 6138-11-6810

The Komatsu Thermostat Gasket 6138-11-6810 is identified in the supplied parts catalog as a COOLING SYSTEM for specific Komatsu diesel engine and equipment configurations. Cataloged engine models include SAA4D95LE-6/A/B, S6D95L-1NN/1PP, S6D108-1, and S6D110-1. Listed machine applications include PC78US-6, PC130-7, WA180-3, WA250-3, and WA320-3-X / 3-XR. Use the complete model and serial-number details below to compare this part with the equipment being serviced.

What is 6138-11-6810 used for?

Part number 6138-11-6810 is cataloged as a Thermostat Gasket. 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

SAA4D95LE-6/A/B, S6D95L-1NN/1PP, S6D108-1, S6D110-1, SA6D110-1, SA6D110-1C/G, SA6D110-1N/P/P-B, 6D125-1, S6D125-1, SA6D125-1

Engine models with serial-number ranges

SAA4D95LE-6/A/B (Build 1N) ? 70001-Up | S6D95L-1NN/1PP (Build 2H) ? 106426-Up | S6D108-1 (Build 7A) ? 11731-Up | S6D110-1 (Build 8A) ? 50195-Up | SA6D110-1 (Build 8B) ? 50001-Up | SA6D110-1C/G (Build 8C) ? 10350-Up | SA6D110-1N/P/P-B (Build 8D) ? 50001-Up | 6D125-1 (Build 10A) ? 10001-Up | S6D125-1 (Build 10C) ? Not Provided | S6D125-1 (Build 10D) ? Not Provided | S6D125-1 (Build 10E) ? Not Provided | SA6D125-1 (Build 10H) ? Not Provided

Application models without serial numbers

PC78US-6, PC130-7, WA180-3, WA250-3, WA320-3-X / 3-XR, WA320-3, WA380-3, WA380-3H, D57S-1B, WA350-1, WA350-1, GD615A-1, PC280LC-3, D66S-1, WA380-1, WA380-1, WA400-1, WA420-1, N/K, EG150-3, EG150-5, D50A-17, D50A-17, D50P, PL-17, D53A-17, D53P-17, D58P-1, D58P-1B, D60A-8 / P-8 / S-8, D60A-8A, D65A-8, D65E-8, D65P-8 / S-8, D65E-12, D68E-1, D68P-1, D70-LE, D70LE-12, GD605A-3, GD605A-3US, GD623A-1, GD625A-1, GD625A-1C, GD655A-3, D83E-1, D83P-1, D85A-21, D85A-21B, D85E-21, D85P-21, PC300-3, PC300LC-3, PC360LC-3, D65EX-12, D65PX-12, D75A-1, D75S-5, D60F-8, PC300-3 / LC-3, PC300-3 / LC-3, PC360LC-3 10001-UP, PC400-3 / LC-3, PC400-5 / HD-5K, PC400-5A / 5C /5T, PC400LC-5A / 5T, PC400LC-5 / LC-5T, PC400LC-5 / LC-5T, PC410-5 / LC-5, WA450-1, WA450-3L, WA450-3LL, WA470-1, WA470-3H Active H20051-20668, WA470-3X, WA470-3, GD705A-4, GD725A-1, HA250-1, HA250-3, HA270-1, HA270-3, HD205-3, D135A-1

Applications with serial-number ranges

WA180-3 S/No. 50001-52999, WA250-3 S/No. 50001-52999, WA320-3-X / 3-XR S/No. 50001-52999, WA320-3 S/No. 53001-Up, WA380-3 S/No. 50001-Up, WA380-3H S/No. 20051-20500, D57S-1B S/No. 20001-Up, WA350-1 S/No. 10001-Up, WA350-1 S/No. A11604-Up, GD615A-1 S/No. 50001-Up, PC280LC-3 S/No. 10001-Up, D66S-1 S/No. 1001-Up, WA380-1 S/No. 10001-Up, WA380-1 S/No. A20012-Up, WA400-1 S/No. 10001-Up, WA420-1 S/No. 10001-Up, D50A-17 S/No. 60001-Up, D50A-17 S/No. 80001-Up, D50P, PL-17 S/No. 60001-Up, D53A-17 S/No. 80001-Up, D53P-17 S/No. 80001-Up, D58P-1 S/No. 80588-Up, D58P-1B S/No. 80588-Up, D60A-8 / P-8 / S-8 S/No. 45001-Up, D60A-8A S/No. 45001-Up, D65A-8 S/No. 45001-Up, D65E-8 S/No. 45001-Up, D65P-8 / S-8 S/No. 45001-Up, D65E-12 S/No. 60001-60941, D68E-1 S/No. 1001-Up, D68P-1 S/No. 45590-Up, D70-LE S/No. 45200-Up, D70LE-12 S/No. 60001-Up, GD605A-3 S/No. 54001-Up, GD605A-3US S/No. 57001-Up, GD623A-1 S/No. 30001-Up, GD625A-1 S/No. 50001-Up, GD625A-1C S/No. 60001-Up, GD655A-3 S/No. 64001-Up, D83E-1 S/No. 1001-Up, D83P-1 S/No. 1001-Up, D85A-21 S/No. 35001-36533, D85A-21B S/No. 35001-36536, D85E-21 S/No. 35001-36533, D85P-21 S/No. 3001-3688, PC300-3 S/No. 12001-UP, PC300LC-3 S/No. 12001-UP & A14398-Up, PC360LC-3 S/No. 10001-UP, D65EX-12 S/No. 60001-60941, D65PX-12 S/No. 60001-60883, D75A-1 S/No. 50001-Up, D75S-5 S/No. 15001-Up, D60F-8 S/No. 45001-Up, PC300-3 / LC-3 S/No. 12001-Up, PC300-3 / LC-3 S/No. A14398-Up, PC400-3 / LC-3 S/No. 11001-Up, PC400-5 / HD-5K S/No. 20001-Up, PC400-5A / 5C /5T S/No. 10351-Up, PC400LC-5A / 5T S/No. 10351-Up, PC400LC-5 / LC-5T S/No. 20001-Up, PC400LC-5 / LC-5T S/No. A20109-Up, PC410-5 / LC-5 S/No. 10001-Up, WA450-1 S/No. 10001-Up & A20038-Up, WA450-3L S/No. 53001-Up, WA450-3LL S/No. 50305-Up, WA470-1 S/No. 10001-Up, WA470-3X S/No. 50001-52999, WA470-3 S/No. 53001-Up, GD705A-4 S/No. 21001-Up, GD725A-1 S/No. 50001-Up, HA250-1 S/No. 60636-Up, HA250-3 S/No. 303001-Up, HA270-1 S/No. 65226-Up, HA270-3 S/No. 313001-Up, HD205-3 S/No. 1003-Up, D135A-1 S/No. 10001-Up

How do I confirm fitment?

Match 6138-11-6810 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 6138-11-6810 fit every listed Komatsu machine?
No. Fitment is limited to the cataloged engine, application, and serial-number combinations. Confirm all identifying information before ordering.