
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.
🔧 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
(BD Diesel Transmissions only have warranty when running a BD Trans & Converter)
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.
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
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.