Product Description
The REVMAX 478-930 Transmission Overdrive Roller Bearing is a precision replacement for the overdrive roller bearing in Chrysler-derived automatic transmissions found in 94–07 Dodge RAM trucks with 5.9L Cummins Diesel engines. This component addresses a known high-failure point and should be replaced during every overhaul to maintain smooth, reliable transmission operation across 46RH, 47RH, 47RE, and 48RE units.
Key Features & Benefits:
- Precision-engineered bearing for automatic transmission overdrive section
- Direct fit for multiple Chrysler A618/A618-derived transmissions (46RH/47RH/47RE/48RE)
- Helps prevent overdrive section wear and failure when installed during overhaul
- Durable construction built to meet OEM form, fit, and function
Fitment:
- Dodge RAM 2500/3500 with 5.9L Cummins Diesel engines
- Automatic transmissions: 46RH, 47RH, 47RE, 48RE
- Model years 1994–2007 (bearing used in overdrive section)
| Specifications for REVMAX 478-930 | |
|---|---|
| UPC | N/A |
| GTIN | N/A |
| Shipping Info | Shipping Weight: Calculated at checkout Package Dimensions: TBD |
| Prop 65 | California Prop 65 Warning (if applicable) |
FAQ
What transmissions is this bearing compatible with?This bearing is designed for automatic transmissions 46RH, 47RH, 47RE, and 48RE in Dodge RAM trucks with Cummins engines from 1994–2007.
Do I need to replace this when rebuilding the transmission?
Yes — the overdrive roller bearing is a known failure point and should be replaced during every complete overhaul to ensure reliable performance.
Will this part improve performance?
This component ensures dependable operation of the overdrive section but does not directly increase power — proper installation and overall transmission condition are essential.
Is this a direct OEM‐fit replacement?
Yes — this bearing is engineered to meet or exceed OEM specifications for fit and function.
Does this product carry a Prop 65 warning?
If required by law, see the Prop 65 link above for details. Prop 65 labeling may depend on specific manufacturing batches and materials.