REVMAX 478-927 46RH/47RH/47RE/48RE FORWARD CLUTCH BELLEVILLE SPRING – 1994–2007 DODGE RAM CUMMINS

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The REVMAX 478-927 Forward Clutch Belleville Spring is designed for heavy-duty Chrysler-based diesel transmissions including the 46RH, 47RH, 47RE, and 48RE. When rebuilding or upgrading your Dodge Cummins transmission, proper clutch apply pressure and release characteristics are critical — and the Belleville spring plays a major role in clutch pack performance and durability.

Whether you're refreshing a stock transmission or building a performance 47RE/48RE, replacing worn or fatigued clutch springs is a must for maintaining proper clutch apply timing and holding power.

Key Benefits:

• Direct-fit replacement for forward clutch assembly
• Ideal for rebuilds and performance transmission upgrades
• Helps maintain proper clutch pack apply characteristics
• Designed for diesel torque applications

Fitment:

• 1994–1995 Dodge Ram 5.9L Cummins – 46RH / 47RH
• 1996–2002 Dodge Ram 5.9L Cummins – 47RE
• 2003–2007 Dodge Ram 5.9L Cummins – 48RE

Compatible with forward clutch assemblies in the above Chrysler-based automatic transmissions. Always verify transmission model prior to ordering.

FAQ

The Belleville spring controls clutch pack apply and release characteristics inside the forward clutch assembly. A worn or fatigued spring can affect shift quality and clutch holding capacity.

While not always mandatory, replacing wear components like Belleville springs during a rebuild is strongly recommended, especially in high-mileage or performance applications.

Yes. This spring is compatible with 46RH, 47RH, 47RE, and 48RE transmissions used in 1994–2007 Dodge Ram Cummins trucks.

This component is ideal for both stock rebuilds and performance builds where reliable clutch apply control is critical.