BD Diesel FUEL RAIL PLUG (1050070) for 2003-2007 Cummins 5.9L

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The BD Diesel Fuel Rail Plug (1050070) is an aftermarket upgrade for 2003–2007 Dodge Ram trucks with 5.9L Cummins engines. It replaces the factory pressure relief valve to prevent fuel pressure drops during high-load conditions. This helps maintain consistent fuel pressure, enhancing throttle response, horsepower, and fuel system efficiency—especially in tuned or high-performance setups. It’s a favored option among diesel enthusiasts seeking improved engine reliability and performance.

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Description

The BD Diesel Fuel Rail Plug (1050070) is a performance upgrade designed specifically for 2003-2007 Dodge Ram trucks equipped with the 5.9L Cummins engine. This plug replaces the factory pressure relief valve in the fuel rail, effectively preventing fuel pressure drops under high-load conditions. By eliminating pressure bleed-off, it helps maintain consistent fuel pressure, which is essential for improved throttle response, increased horsepower, and overall fuel system efficiency—especially in high-performance or tuned applications. The BD Diesel Fuel Rail Plug is a popular choice among diesel enthusiasts looking to enhance their engine’s reliability and performance in demanding driving conditions.

Additional information
Weight 0.5 lbs
Dimensions 5.88 × 4.42 × 1.75 in
Fitment

Fitment

2003-2007 Cummins 5.9L

Features

Features

  • Replace failing pressure relief valves
  • Seals in 30,000 psi rail pressure
  • Easily replaces the stock relief valve
Installation

Installation

INSTALL TIME

  • 30 Minutes

WARRANTY

Parts

  • 12-Months
  • 12,000 Miles
Warning

Warning

  • Not for sale on licensed California vehicles
  • Removing the fuel pressure relief valve can cause damage to the fuel system.
About brand
BD Diesel Performance is a diesel performance manufacturer focused on reliability and towing performance. The company designs parts that improve durability, power delivery, and vehicle control. BD Diesel products support daily driving, heavy towing, and work-ready diesel trucks. BD Diesel engineers turbochargers, exhaust brakes, transmission upgrades, and fuel system components. Their products help manage heat, control exhaust flow, and protect drivetrain parts. These upgrades improve drivability under load and during long pulls. Diesel owners trust BD Diesel for proven solutions. Whether upgrading a tow rig or improving reliability, BD Diesel delivers parts built for real-world use.
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