CUMMINS
CUMMINS 3978820 | GENUINE OEM MAIN BEARING (STD) | FITS 1989-2024 DODGE RAM 5.9L & 6.7L CUMMINS
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- SKU:
- CUM3978820
- MPN:
- 3978820
- Shipping:
- Calculated at Checkout
Description
CUMMINS 3978820 | GENUINE OEM MAIN BEARING (STD) | FITS 1989-2024 DODGE RAM 5.9L & 6.7L CUMMINS
The Cummins 3978820 GENUINE OEM MAIN BEARING (STD) is a genuine OEM replacement designed for Dodge Ram Cummins trucks.
Function & Purpose
Engineered to restore factory performance and reliability in its respective system under diesel operating conditions.
Common Symptoms When Worn/Failed
- Performance degradation
- Unusual noises
- Fluid leaks or warning lights
Why Genuine Cummins
Genuine Cummins parts meet OEM tolerances and materials, resisting heat and vibration better than aftermarket alternatives.
Key Features & Benefits
- OEM Cummins Part #3978820 — engineered for factory fit and function
- Direct-fit replacement
- Durable construction
- Restores proper operation
- Meets OEM specifications
Fitment
- 1989-2024 Dodge Ram 2500/3500 with 5.9L & 6.7L Cummins
Installation Notes
- Inspect gaskets/seals
- Clean surfaces and torque to spec
- Verify alignment before startup
- Follow Cummins service manual
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