Komatsu Retainer Valve Spring Lower 6130-41-4620

The Komatsu Retainer Valve Spring Lower 6130-41-4620 is identified in the supplied parts catalog as a CYLINDER HEAD & COMPONENTS for specific Komatsu diesel engine and equipment configurations. Cataloged engine models include 4D105-3C, S4D105-1 & 2, and S4D105-3. Listed machine applications include D31A-16, D31P, PL, PLL-16, D31P-16A, D31Q-16, and D31S-16. Use the complete model and serial-number details below to compare this part with the equipment being serviced.

What is 6130-41-4620 used for?

Part number 6130-41-4620 is cataloged as a Retainer Valve Spring Lower. It appears in the CYLINDER HEAD & COMPONENTS parts group. The correct selection depends on the engine model, machine model, and the applicable serial-number range.

Compatible engine models

4D105-3C, S4D105-1 & 2, S4D105-3

Engine models with serial-number ranges

4D105-3C (Build 5A) ? 40138-Up | S4D105-1 & 2 (Build 5D) ? 19078-Up | S4D105-3 (Build 5E) ? 44579-Up

Application models without serial numbers

D31A-16, D31P, PL, PLL-16, D31P-16A, D31Q-16, D31S-16, D40A-1, D40AF-1A, D40PF-1A, D40PL-1, D45A-1, D45P-1

Applications with serial-number ranges

D31A-16 S/No. 25001-Up, D31P, PL, PLL-16 S/No. 25001-Up, D31P-16A S/No. 25001-Up, D31Q-16 S/No. 25001-Up, D31S-16 S/No. 25001-Up, D40A-1 S/No. 1501-Up, D40AF-1A S/No. 2201-Up, D40PF-1A S/No. 2201-Up, D40PL-1 S/No. 1501-Up, D45A-1 S/No. 1501-Up, D45P-1 S/No. 1501-Up

How do I confirm fitment?

Match 6130-41-4620 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 6130-41-4620 fit every listed Komatsu machine?
No. Fitment is limited to the cataloged engine, application, and serial-number combinations. Confirm all identifying information before ordering.