A New Pressure Relief Valve for the Fuel Rail Group Is Used in Certain C9.3 Industrial Engines {1288}
- Industrial Engine:
- C9.3 (S/N: C9N1-UP)
Description of Change: A new pressure relief valve is used on certain C9.3 industrial engines. The new pressure relief valve is composed of a ceramic material. The ceramic material helps to prevent seat wear, and lower valve opening pressure.
Adaptable To: The valve is adaptable back to the first production of the engine. The new 415-4991 replaces the current 362-0770 Relief Valve As .
The change is effective at the factory with the serial number prefix C9N01393-UP.
Caterpillar Information System:
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