Cummins Fuel Rail Plug 2003-2007 Dodge 5.9L XD340 XDP

2003-2007 Cummins 5.9L Cummins
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Eliminate the diagnostic trouble codes caused by low fuel rail pressure on your 2003-2007 Dodge 5.9L Cummins with the XDP Cummins Fuel Rail Plug XD340. The XDP Fuel Rail Plug eliminates the factory fuel pressure release valve. As a result, you get the consistent fuel rail pressure needed to handle aggressive tuning and demanding fueling upgrades.

Each Fuel Rail Plug has been CNC machined from 304 stainless steel and is a direct-replacement that installs in place of your factory fuel pressure release valve.

  • Great For Modified Applications
  • 304 Stainless Steel Construction
  • Direct-Fit Replacement For Factory Valve
  • Eliminates Low Fuel Rail Pressure Codes

Warranty is limited to manufacturer warranty. This information can be found directly on the manufacturers website.

All Price Diesel Performance engines and transmissions carry a 2 year unlimited mileage warranty.

*See warranty page for additional details and policy.

We have a 30-day return policy, which means you have 30 days after receiving your item to request a return.

To be eligible for a return, your item must be in the same condition that you received it, unworn or unused, with tags, and in its original packaging. You’ll also need the receipt or proof of purchase.

ALL returns are subject to a 30% restocking fee.

To start a return, you can contact us at If your return is accepted, we’ll send you a return shipping label, as well as instructions on how and where to send your package. Items sent back to us without first requesting a return will not be accepted.

You can always contact us for any return question at

The fastest way to ensure you get what you want is to return the item you have, and once the return is accepted, make a separate purchase for the new item.

We will notify you once we’ve received and inspected your return, and let you know if the refund was approved or not. If approved, you’ll be automatically refunded on your original payment method. Please remember it can take some time for your bank or credit card company to process and post the refund too.

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