BD Diesel 48RE Valve Body (1030423) for 2003-2007 Cummins 5.9L

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The BD Diesel 48RE Valve Body (1030423) is a performance upgrade for 2003–2007 Dodge Ram trucks with the Cummins 5.9L engine and 48RE automatic transmission. Designed for improved shift quality, durability, and torque capacity, it’s ideal for towing, heavy-duty, or performance use. It features upgraded components and revised hydraulics for quicker, firmer shifts, reduced heat, and less clutch slippage. Precision calibration ensures better transmission response without sacrificing drivability, making it a reliable option for extending transmission life and enhancing performance.

Total: $740.95
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Description

The BD Diesel 48RE Valve Body (1030423) is a high-performance upgrade designed specifically for 2003-2007 Dodge Ram trucks equipped with the Cummins 5.9L engine and the 48RE automatic transmission. Engineered to improve shift quality, durability, and torque handling, this valve body is ideal for towing, performance driving, or heavy-duty use. It features revised hydraulic circuits and upgraded components that deliver firmer, quicker shifts while reducing clutch slippage and heat buildup. BD Diesel’s meticulous calibration ensures optimal transmission response without compromising drivability. Whether you’re looking to extend the life of your transmission or enhance your truck’s performance, the BD Diesel 48RE Valve Body offers a reliable and proven solution.

Additional information
Weight 12.9 lbs
Dimensions 15 × 12.3 × 9 in
Fitment

Fitment

 2003-2007 Cummins 5.9L

Features

Features

  • Anti-Shuttle technology with higher pressures
  • New springs
  • Modified, tuned and tested to provide optimum performance
  • Revised valve design
  • Larger oil ports
  • Proprietary governor piston dimensions
  • Hand-lapped surfaces prevent internal leakage
  • Improved shift quality
  • Increased clutch holding capacity
  • Reduced friction and extends transmission life
  • First and second gear lock-up ability
Installation

Installation

INSTALL TIME

  • 3 Hours

WARRANTY

Parts

  • 12-Months
  • 24,000 Miles

Labor

  • 12-Months
  • 24,000 miles
Warning

Warning

  • Recommended Option for 2000-2007 Dodge – 1060602 Pressure Transducer or 1060605 Electronics Upgrade Kit
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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