BD Diesel
BD Diesel 1064194BF TorqueMaster 48RE Transmission w/ Billet Input – 2003–2004 Dodge Ram 4WD 5.9L Cummins
The BD Diesel 1064194BF TorqueMaster 48RE Transmission is built to take your 2003–2004 Dodge Ram 2500/3500 4WD truck beyond the limits of factory driveline components. Featuring a billet input shaft and upgraded internals, this dyno-tested transmission is designed to withstand aggressive throttle, increased torque, and high-stress towing environments. With a deep sump aluminum pan, auxiliary filter kit, and pressure enhancements, this transmission offers reliable cooling, fluid flow, and long-term performance—perfect for those pairing it with BD’s ProForce 3 or Hi5 torque converter.
A $1,800 refundable core deposit applies. Must be used with a BD torque converter to maintain warranty coverage.
✅ Key Features
🔧 Transmission Highlights
-
Billet “Big” Fine Spline Input Shaft – Handles high-torque loads
-
Upgraded valvebody with increased line pressure (190–200 PSI)
-
Clutch Counts: OD (6), OD Direct (10), Forward (5), Direct (6)
-
Billet band lever and billet band strut for added reinforcement
-
High-temp Raybestos energy band for superior friction durability
-
Modified manual valve maintains lubrication in all positions
-
Drilled intermediate shaft enhances fluid flow
-
Upgraded governor solenoid & pressure transducer (2x burst rating)
-
Roller Torrington thrust bearings replace OE bushings
-
BD Deep Aluminum Transmission Pan (+2qt capacity)
– With heat-dissipating fins and magnetic drain plug -
BD Auxiliary Full Flow Filter Kit – Improves filtration & fluid life
-
Cooler line case saver installed
-
Dyno-tested for pressure, shift quality, and reliability
-
Not warranted for race or sled pull usage
- Converter sold separately (see Part: 1071217X)
(BD Diesel Transmissions only have warranty when running a BD Trans & Converter)
🚙 Vehicle Compatibility
Fits the Following Applications:
-
2003 Dodge Ram 2500/3500 4WD 5.9L Cummins
-
2004 Dodge Ram 2500/3500 4WD 5.9L Cummins
Compatible with trucks originally equipped with the 48RE automatic transmission.
📦 What’s Included
-
BD TorqueMaster 48RE Transmission – Part #: 1064194BF
-
Billet Input Shaft (Pre-installed)
-
BD Heavy Duty Deep Sump Aluminum Transmission Pan
-
BD Auxiliary Full Flow Transmission Filter Kit
-
Upgraded solenoids, transducer, and internal hardware
🛠️ Why Choose BD Diesel?
BD Diesel specializes in building high-strength transmission systems for diesel trucks that demand more than factory capabilities can offer. With billet-ready internals, improved pressure handling, and upgraded lubrication flow, this TorqueMaster 48RE unit is ideal for street-driven or tow-tuned Cummins trucks. Every transmission is dyno-tested to verify performance and backed by industry-leading warranties, making BD the go-to for diesel driveline upgrades.