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Cummins Service Products Catalog – Tool ST 257Valve Seat Insert Tool

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Engine Family: All Except B Series

This kit is used with appropriate cutters to counterbore cylinder heads for installation of valve seat inserts. A valve stem guide arbor must also be used to align the cutter with the counterbore. This tool is designed to be driven with a ½ inch electric drill.

NOTE: To update this tool for L10 and M11, part number 3376105 Valve Seat Driver must be ordered separately.This tool is used with the adapter sleeve and seat driver found in this kit.

Last Modified:  30-Jul-2003
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