Cummins Service Products Catalog – Tool 3823166Thermostat Cover Boring Tool

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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 without a drill press. Use 3823173 Kitfor drill press operation.

Ref. No. Part No. Description
3 3823169  Cover Boring Cutter 
4 3823170  Depth Stop Bearing 
5 3823171  Depth Stop Gauge 
Last Modified:  31-Jul-2003