Attitude Performance Race Plug - 03-07 Dodge Cummins 5.9L - 1003

Thoroughbred Sku #: ATP1003
Manufacturer Sku #: 1003




  • 2003 - 2007 Dodge Ram 2500
  • 2003 - 2007 Dodge Ram 3500

Product Details

Product Name: Attitude Performance Race Plug
Manufacturer: Attitude Performance
Manufacturer Part #: 1003
Thoroughbred Diesel Part #: ATP1003
Fitment Notes: Attitude Performance Race Plug - 03-07 Dodge Cummins 5.9L - 1003

The APP 5.9L Race Plug replaces the stock pressure relief valve. This valve helps maintain fuel rail pressure during heavy engine load conditions. It eliminates potential low fuel rail pressure DTC codes P0148 & P0192 & P0087. Made in America from 304 stainless steel.

Warning: This is a "Race Only" product section used solely for competition. Its use is limited to closed-course racing that is formally sanctioned by a recognized racing organization. Any other use, including recreational off-road use, could be in violation of local, state and federal laws.

Replaces Parts:
  • Cummins part number: 3947799
  • Bosch part number: 1-110-010-029

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