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03-07 Dodge 5.9L Cummins Attitude Performance Fuel Rail Plug


Don’t jeopardize horsepower or torque…..maintain your important fuel rail pressure when running a high performance or modified engine!  

APP’s 5.9L Fuel Rail Plug for Cummins Diesel Engine (aka Race Plug), replaces the stock pressure relief valve on the Dodge Ram trucks to maintain fuel rail pressure during heavy engine load conditions.  It eliminates potential low fuel rail pressure as indicated by, DTC codes PO148, PO192 and PO087.

•  Replaces factory stock pressure relief valve

•  Prevents low rail pressure

•  Made on state-of-the-art 7 axis cnc lathes ensuring the best quality

•  Easy installation

•  Machined in the USA from 304 Stainless Steel

Fits all 5.9L Cummins ’03 to ‘07

Replaces:  Cummins part #3947799

                   Bosch Part # 1-110-010-029

Attitude Performance: 1003

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