BD Diesel TowMaster Transmission & Converter Package 48RE (1064194SS) for 2003-2004 Cummins 5.9L

$5,196.00Purchase & earn 5,196 points!

The BD Diesel TowMaster Transmission & Converter Package 48RE (1064194SS) is a high-performance upgrade for 2003-2004 Dodge Ram trucks with the 5.9L Cummins engine. It includes a remanufactured 48RE transmission and a BD Triple Torque converter, designed for heavy-duty towing and enhanced performance. Featuring upgraded components like reinforced clutches, a billet input shaft, and valve body improvements, it offers increased durability, better torque handling, and smoother shifting—making it ideal for drivers seeking reliable, high-stress towing capability.

Core Charge*

Cores must be shipped within 30 days.

Total: $5,196.00
6 People watching this product now!
Description

The BD Diesel TowMaster Transmission & Converter Package 48RE (1064194SS) is a high-performance upgrade designed specifically for 2003-2004 Dodge Ram trucks equipped with the 5.9L Cummins engine. Engineered for heavy-duty towing and performance applications, this package includes a fully remanufactured 48RE transmission and a BD Triple Torque torque converter, delivering enhanced durability, increased torque handling, and improved shift quality. Built with upgraded internal components, including reinforced clutches, valve body modifications, and a billet input shaft, the TowMaster package ensures reliable operation under high-stress conditions. Ideal for drivers who demand superior towing capability and long-term reliability, BD Diesel’s transmission solution is a trusted choice for Cummins enthusiasts looking to maximize their truck’s potential.

Additional information
Weight 329 lbs
Dimensions 44.5 × 27.3 × 23.5 in
Fitment

Fitment

2003-2004 Cummins 5.9L

Features

Features

TRANSMISSION

  • Upgraded Valvebody
  • Upgraded governor solenoid
  • Upgraded governor pressure transducer (47RE/48RE) – Twice the burst pressure than stock
  • Increased line pressure to 190-200psi
  • No shuttle shifting problems
  • Modified manual valve for lube in all positions
  • Stock thrust bushings replaced with roller Torrington bearings
  • Clutch Count: DIRECT 6
  • Clutch Count: FORWARD 5
  • Clutch Count: OD 6
  • Clutch Count: OD DIRECT 10
  • High temp/energy Raybestos band
  • Available with Billet input shaft
  • Drilled intermediate shaft for increased lubrication
  • BD rigid aluminum heavy duty transmission pan
  • Pan adds 2qt extra oil capacity
  • Pan heat-dissipating fins keep temperature down
  • Magnetic drain plug
  • Increase the durability of your drivetrain
  • BD auxiliary full flow filter kit for extra protection
  • Cooler line case saver in every transmission
  • Every transmission is tested on a dyno
  • Not warranted for Race or Sled Pull use

PROFORCE 3D TORQUE CONVERTER

  • Triple Disc
  • Triple Disc
  • HD springs absorb shock of engagement
  • HD springs absorb shock of engagement
  • Stamp forged 1-piece cover
  • Stamp forged 1-piece cover
  • Eliminates warpage from clutch heat
  • Eliminates warpage from clutch heat
  • Taller cover can be rebuilt more often
  • Taller cover can be rebuilt more often
  • Trapezoid teeth design
  • Trapezoid teeth design
  • Engineered tighter tolerances
  • Engineered tighter tolerances
  • Self-centering trapezoid teeth design increases contact decreases wear and chatter
  • Self-centering trapezoid teeth design increases contact decreases wear and chatter
  • Thrust bearings – not plastic thrust washers
  • Thrust bearings – not plastic thrust washers
  • Riveted piston ensures alignment & eliminates vibration or embrittlement from welding
  • Riveted piston ensures alignment & eliminates vibration or embrittlement from welding
  • Cast stator designs maximizes torque
  • Cast stator designs maximizes torque
  • New sprag components ensure long term durability
  • New sprag components ensure long term durability
  • Furnaced brazed turbine fins for improved fluid coupling efficiency
  • Furnaced brazed turbine fins for improved fluid coupling efficiency
  • Reduced overall weight by 12lbs compared to competitors
  • Reduced overall weight by 12lbs compared to competitors
Installation

Installation

INSTALL TIME

  • 8 Hours

WARRANTY

Parts

  • 36-Months
  • 150,000 Miles

Labor

  • 12-Months
  • 24,000 miles
Warning

Warning

  • No Race abuse covered. Remote filter required for inspection with cooler flow rate in GPM at Oil/Air transmission cooler outlet.
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.
Shipping & Delivery