BUILT TO ELIMINATE CONVERTER SLIP, CRACKED FLEXPLATES, AND CLUTCH BURNOUT

DODGE 5.9L CUMMINS 98.5-02 24-VALVE TRANSMISSION

Keep your 1998.5-2002 Dodge 5.9L 24-Valve Cummins on the road with our complete line of automatic and manual transmission solutions, from complete 47RE performance transmissions to heavy-duty torque converters, valve bodies, and rebuild kits.

  • Complete Transmission Packages

    Choose from our RoadMaster, TowMaster, and TorqueMaster series for drop-in reliability.

  • Billet Components

    Fortify your build with billet input shafts, intermediate shafts, and heavy-duty flexplates.

  • Enhanced Hydraulic Control

    Upgrade to a performance valve body for firmer shifts and increased holding power.

  • DIY Build-It Kits

    Rebuild your own 47RE with the same race-proven components we use in our own transmissions.

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FIND THE RIGHT DODGE 5.9L CUMMINS 98.5-02 TRANSMISSIONS FOR YOUR TRUCK

Find the right transmission parts for your 2nd Gen 24-valve Cummins. While many parts have a wide application range, we've highlighted some key products for your specific setup.

ApplicationEngineCommon YearsTypical ProductBest For
Dodge Ram 2500/3500 4WD5.9L 24V Cummins1998.5-1999ROADMASTER Transmission & Converter PackageA complete, durable stock-plus replacement for daily driving and light towing.
Dodge Ram 2500/35005.9L 24V Cummins2000-2002TowMaster / TorqueMaster Transmission PackagesComprehensive replacements built for heavy towing and high-performance applications.
Dodge Ram 2500/35005.9L 24V Cummins1998.5-200247RE Valve Body & Proforce Torque ConverterImproving shift quality and power handling without a full transmission replacement.
Dodge Ram 2500/35005.9L 24V Cummins1998.5-2002Build-It Transmission Kits (Stage 1-4)Technicians and experienced DIYers who want to overhaul their own 47RE transmission.
Dodge Ram 2500/35005.9L 24V Cummins1999-2002Short Shift Kit - NV5600 / Clutch KitsOwners with manual transmissions looking for shorter throws and improved clutch holding power.

WHY DODGE 5.9L CUMMINS 98.5-02 TRANSMISSIONS FAIL AND HOW BD SOLVES IT

From the factory, the 47RE can struggle with increased torque from even mild performance modifications. Common failure points include the stock torque converter, which can slip and overheat, and the stamped-steel flexplate, which is prone to cracking under load. Internally, clutch packs can burn up due to insufficient line pressure, and hard shafts can fail in high-horsepower scenarios, leaving you stranded.

  • Transmission Slipping

    Often caused by worn clutch packs or insufficient line pressure from the valve body.

    The BD Difference

    Our performance valve bodies increase line pressure for better clutch grip and holding power.

  • Harsh Shifts or Gear Hunting

    Can be a sign of a failing governor pressure solenoid and transducer, a common issue on the 47RE.

    The BD Difference

    Our Pressure Transducer Upgrade Kit replaces the problematic factory parts with more durable components.

  • Cracked Flexplate

    The stock flexplate is a known weak link and can crack from the torque of the Cummins engine.

    The BD Difference

    A billet steel flexplate is significantly stronger and prevents this common failure point.

  • Overheating

    Particularly when towing, the stock torque converter can slip excessively, generating damaging heat.

    The BD Difference

    Our upgraded torque converters and coolers keep fluid temperatures in check to protect internal components.

What are the differences between your transmission packages?

Our RoadMaster is a durable stock replacement, TowMaster is built for heavy towing with improved cooling and clutch capacity, and TorqueMaster is our strongest build for high horsepower and competition use, often including billet shafts.

My transmission is slipping. What's the first thing I should upgrade?

Slipping is often a sign of internal wear, but improving hydraulic control can help. A performance valve body increases line pressure for better clutch grip, and a new torque converter can eliminate slip. A full rebuild or replacement transmission is often the best long-term solution.

Why do I need a billet flexplate?

The factory flexplate on a 5.9L Cummins is made from stamped steel that can crack under the engine's torque, especially with performance tuning. A billet steel flexplate is significantly stronger and prevents this common failure point.

I have a manual NV4500/NV5600. What parts do you offer?

We offer performance single and dual-disc clutch kits to handle significantly more torque than stock, plus short shift kits that reduce the throw length between gears for a better driving experience.

What's included in a Build-It Kit?

Our Build-It kits include the same high-quality clutches, steels, seals, and other components we use in our own remanufactured transmissions, in different stages to match your horsepower and usage goals.

My truck shifts erratically, especially when cold. What could be the issue?

This is a classic symptom of a failing governor pressure solenoid or transducer in the 47RE transmission. We offer a reliable Pressure Transducer Upgrade Kit that replaces the problematic factory parts with more durable components.