The BD Diesel 1064194BM TorqueMaster 48RE Transmission and Converter Package is the bulletproof driveline upgrade for your 2003–2004 Dodge Ram 4WD truck with the 5.9L Cummins. Designed for towing, high-output street use, and heavy-duty work, this complete package features BD’s dyno-tested transmission with billet internals and a triple disc ProForce torque converter. Together, they form a high-performance, high-reliability solution that eliminates factory weaknesses and supports rapid throttle and torque-rich acceleration with ease.

A $2,500 refundable core deposit applies. Converter is matched and required for full system compatibility and warranty.

✅ Key Features

🔧 Transmission Highlights

• Upgraded valvebody with bonded separator plate

• Line pressure increased to 190–200 PSI

• Clutch Counts: OD (6), OD Direct (10), Forward (5), Direct (6)

• Billet "Big" fine spline input shaft handles high-torque loads

• Billet band lever and billet band strut

• Drilled intermediate shaft improves internal lubrication

• Modified manual valve ensures full-time lube flow

• High-temp/energy Raybestos band

• Upgraded solenoid and pressure transducer rated 2x burst pressure

• Cooler line case saver

• BD rigid aluminum deep sump transmission pan (+2qt capacity)
  – Heat-dissipating fins & magnetic drain plug

• BD auxiliary full flow transmission filter kit

• Roller Torrington bearings replace stock bushings

• Fully dyno-tested before shipping

• Not rated for race or sled pull applications

⚙️ Triple Disc Torque Converter Highlights

• Triple disc design with enhanced stall for street/tow performance

• Torque-multiplying cast stator

• Furnace-brazed turbine fins for improved fluid coupling

• HD damper springs absorb shock at engagement

• Stamp-forged 1-piece front cover resists warpage under heat

• Taller billet cover design allows for more rebuilds

• Trapezoid self-centering teeth reduce wear & clutch chatter

• Thrust bearings (not plastic washers) for longevity

• Riveted piston reduces vibration and misalignment

• Sprag upgrades for long-term durability

• 12 lbs lighter than many competitor designs

🚙 Vehicle Compatibility

Fits the Following Applications:

• 2003 Dodge Ram 2500/3500 4WD 5.9L Cummins

• 2004 Dodge Ram 2500/3500 4WD 5.9L Cummins

Designed for trucks originally equipped with the 48RE automatic transmission.

📦 What’s Included

• BD TorqueMaster 48RE Transmission (Part #: 1064194BM)

• BD Triple Disc Torque Converter

• BD Heavy-Duty Aluminum Transmission Pan

• BD Auxiliary Full Flow Transmission Filter Kit

• Pre-installed billet input shaft, solenoids, and upgraded internals

🛠️ Why Choose BD Diesel?

BD Diesel’s transmission and converter packages are engineered and dyno-validated for long-term reliability under torque-intensive use. This matched transmission and triple disc converter combo is ideal for drivers who tow heavy, run higher horsepower, or just want peace of mind with billet-reinforced components. Tested, proven, and trusted—BD delivers strength where it counts.