Komatsu Seal Valve Stem 1241663H1

The Komatsu Seal Valve Stem 1241663H1 is identified in the supplied parts catalog as a CYLINDER HEAD & COMPONENTS for specific Komatsu diesel engine and equipment configurations. Cataloged engine models include S6D114. Listed machine applications include 538, 850, 850, 850, 850B, 850C, 870, 870B & 870C, 870, 870, TD-15C, TD-15E. Use the complete model and serial-number details below to compare this part with the equipment being serviced.

What is 1241663H1 used for?

Part number 1241663H1 is cataloged as a Seal Valve Stem. 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

S6D114

Engine models with serial-number ranges

S6D114 (Build 9) ? Not Provided

Application models without serial numbers

538, 850, 850, 850, 850B, 850C, 870, 870B & 870C, 870, 870, TD-15C, TD-15E

Applications with serial-number ranges

538 S/No. U0030001-U003100 & C003101-Up, 850 S/No. U200000-U200416, 850 S/No. U200417-U201999, 850, 850B, 850C, 870, 870B & 870C S/No. U202002-Up, 870 S/No. U200000-U200416, 870 S/No. U200417- U201999, TD-15C S/No. P061366-Up, TD-15E S/No. U008001 – Up & P030501-Up

How do I confirm fitment?

Match 1241663H1 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 1241663H1 fit every listed Komatsu machine?
No. Fitment is limited to the cataloged engine, application, and serial-number combinations. Confirm all identifying information before ordering.