Komatsu Core Oil Cooler 600-651-1431

The Komatsu Core Oil Cooler 600-651-1431 is identified in the supplied parts catalog as a LUBRICATING OIL SYSTEM for specific Komatsu diesel engine and equipment configurations. Cataloged engine models include S6D108-1, SA6D108-1, SAA6D108E-2A, and S6D110-1. Listed machine applications include WA320-3-X / 3-XR, WA320-3, WA380-3, WA380-3H, and D57S-1B. Use the complete model and serial-number details below to compare this part with the equipment being serviced.

What is 600-651-1431 used for?

Part number 600-651-1431 is cataloged as a Core Oil Cooler. It appears in the LUBRICATING OIL SYSTEM parts group. The correct selection depends on the engine model, machine model, and the applicable serial-number range.

Compatible engine models

S6D108-1, SA6D108-1, SAA6D108E-2A, S6D110-1, SA6D110-1, SA6D110-1C/G, SA6D110-1N/P/P-B

Engine models with serial-number ranges

S6D108-1 (Build 7A) ? 11731-Up | SA6D108-1 (Build 7B) ? 10001-Up | SAA6D108E-2A (Build 7C) ? 19030-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

Application models without serial numbers

WA320-3-X / 3-XR, WA320-3, WA380-3, WA380-3H, D57S-1B, PC300-5 / 5T / LC-5T, PC300-5K, PC300LC-5K, PC300NLC-5K, PC300HD-5K, PC300LC-5, PC300LC-5, PC360LC-5, WA420-3, WA420-3, WA420-3X / 3X-R, PC300-6, PC300-6Z, PC300LC-6, PC300LC-6Z, PC340LC-6K, PC340NLC-6K, PC350-6, PC350LC-6, PC380LC-6K, PC380LC-6K-J, WA350-1, WA350-1, GD615A-1, PC280LC-3, D66S-1, WA380-1, WA380-1, WA400-1, WA420-1, N/K, EG150-3, EG150-5

Applications with serial-number ranges

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, PC300-5 / 5T / LC-5T S/No. 20001-Up, PC300-5K S/No. K20001-Up, PC300LC-5K S/No. K20001-Up, PC300NLC-5K S/No. K20001-Up, PC300HD-5K S/No. 20001-Up, PC300LC-5 S/No. 20001-Up, PC300LC-5 S/No. A20267-A30000, PC360LC-5 S/No. 20001-Up, WA420-3 S/No. 50001-Up, WA420-3 S/No. 53001-Up, WA420-3X / 3X-R S/No. 50001-52999, PC300-6 S/No. 30001-Up, PC300-6Z S/No. 30001-Up, PC300LC-6 S/No. 30001-Up, PC300LC-6Z S/No. 30001-Up, PC340LC-6K S/No. 10001-Up, PC340NLC-6K S/No. 10001-Up, PC350-6 S/No. 10001-Up, PC350LC-6 S/No. 10001-Up, PC380LC-6K S/No. K30001-Up, PC380LC-6K-J S/No. 10001-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

How do I confirm fitment?

Match 600-651-1431 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 600-651-1431 fit every listed Komatsu machine?
No. Fitment is limited to the cataloged engine, application, and serial-number combinations. Confirm all identifying information before ordering.