Cummins Service Products Catalog – Tool 3164325Fuel System Leak Tester

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Engine Family: ISB (4 cylinder), ISBe (4 & 6 cylinder)

This tool is used to cut off the fuel supply to the injector to diagnose it fore leakage and malfunction. The tool works by alternately removing the fuel lines to the injectors and blocking fuel at the rail. Any fault in the high-pressure connector, injector or fuel line will affect the return rate of flow.

Ref. No. Part No. Description
1 3920061  Tube nut 
2 3164326  Plug 
3 69204-B  Retaining ring 
Items used with Fuel System Leak Tester, 3164325, but purchased separately.
Not Shown Stopwatch
Not Shown Graduated beaker, 500-ml (16.9oz.)
Not Shown Drip Pan
4 3164583  Fuel tube plug 
Not Shown 3164044  Fuel pressure gauge adapter 
Last Modified:  31-Jul-2003