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Cummins Service Products Catalog – Tool 3823173Thermostat Cover Boring Tool

SMALL | MEDIUM | LARGE

Engine Family: N855 Big Cam IV

This special fixture is used to bore the thermostat cover spring bore .140 in. deeper to reduce the thermostat spring load and change the thermostat operation.

NOTE: This kit must be used with a drill press. Use 3823166 Kit without a drill press.

Ref. No. Part No. Description
1 3823169  Cover Boring Cutter 
2 3823170  Depth Stop Bearing 
6 3823177  Cover Holding Plate 
Last Modified:  31-Jul-2003
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