Komatsu Oil Pump Gasket 6610-51-1620

The Komatsu Oil Pump Gasket 6610-51-1620 is identified in the supplied parts catalog as a LUBRICATING OIL SYSTEM for specific Komatsu diesel engine and equipment configurations. Cataloged engine models include NH220-C1 and N855-1. Listed machine applications include D60A-7, D60E-6, D60E-7 / D60-S7, D60P, PL-7, and D65A, P-6. Use the complete model and serial-number details below to compare this part with the equipment being serviced.

What is 6610-51-1620 used for?

Part number 6610-51-1620 is cataloged as a Oil Pump Gasket. 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

NH220-C1, N855-1

Engine models with serial-number ranges

NH220-C1 (Build 18A) ? Not Provided | N855-1 (Build 19A) ? Not Provided

Application models without serial numbers

D60A-7, D60E-6, D60E-7 / D60-S7, D60P, PL-7, D65A, P-6, D65E-6, D65E-7 / D65P-7 / D65-S7, D65S-6, D68E, P1A, D75S-2, D75S-3, D80A-12, D80E-12, D80P-12, D85A-12, D85E-12, GD605A-2, GD655A-2, PC300-1, PC300-2, PC300LC-1, PC300LC-2

Applications with serial-number ranges

D60A-7 S/No. 40001-Up, D60E-6 S/No. 20295-Up, D60E-7 / D60-S7 S/No. 40001-Up, D60P, PL-7 S/No. 40001-Up, D65A, P-6 S/No. 20006-Up, D65E-6 S/No. 20295-Up, D65E-7 / D65P-7 / D65-S7 S/No. 40001-Up, D65S-6 S/No. 20006-Up, D68E, P1A S/No. B10001-Up, D75S-2 S/No. 1004-Up, D75S-3 S/No. 7001-Up, D80A-12 S/No. 10001-24999, D80E-12 S/No. 10001-24999, D80P-12 S/No. 10001-24999, D85A-12 S/No. 10001-Up, D85E-12 S/No. 10001-24999, GD605A-2 S/No. 53001-Up & 56001-Up, GD655A-2 S/No. 63001-Up & 66001-Up, PC300-1 S/No. 1001-Up, PC300-2 S/No. 11001-Up, PC300LC-1 S/No. 11001-Up, PC300LC-2 S/No. 11001-Up

How do I confirm fitment?

Match 6610-51-1620 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 6610-51-1620 fit every listed Komatsu machine?
No. Fitment is limited to the cataloged engine, application, and serial-number combinations. Confirm all identifying information before ordering.