Product Description
The CUMMINS 4955853 OEM MAIN BEARING SET (STANDARD) is designed for 1989–2018 5.9L and 6.7L Cummins diesel engines. This genuine Cummins standard-size main bearing set supports the crankshaft within the engine block and helps maintain proper oil clearance, crankshaft stability, and long-term engine durability.
Use this part during engine rebuilds, crankshaft service, bearing replacement, or major engine repairs. Always verify fitment by year, make, model, engine, and engine serial number before ordering.
FEATURES
- Genuine Cummins OEM main bearing set
- Standard-size bearings for OEM crankshaft specifications
- Designed for 1989–2018 5.9L and 6.7L Cummins engines
- Supports proper crankshaft alignment and oil clearance
- Recommended for engine rebuild and repair applications
- Direct-fit OEM replacement components
FITMENT
- 1989–1993 Dodge Ram 5.9L Cummins
- 1994–1998 Dodge Ram 2500/3500 5.9L Cummins
- 1998.5–2002 Dodge Ram 2500/3500 5.9L Cummins 24V
- 2003–2007 Dodge Ram 2500/3500 5.9L Cummins
- 2007.5–2018 Ram 2500/3500 6.7L Cummins
- Select Cummins industrial and commercial applications
WHAT'S INCLUDED
- 1 Cummins 4955853 OEM Standard Main Bearing Set
CROSS-REFERENCE AND RELATED PRODUCTS
- Cummins 4955853
- Connecting rod bearing sets
- Crankshaft seal service components
SPECIFICATIONS
- Manufacturer: Cummins
- Part Number: 4955853
- Part Type: Main Bearing Set
- Bearing Size: Standard
- Engine Compatibility: 5.9L Cummins, 6.7L Cummins
- Fitment Years: 1989–2018
- Vehicle Application: Dodge Ram / Ram 2500 and 3500
- Condition: New
- Quantity: Complete Main Bearing Set
FAQ
Will this part fit my truck?
This part fits the applications listed above. Always verify your year, make, model, engine, and engine serial number before ordering.
What does a main bearing set do?
Main bearings support the crankshaft within the engine block and maintain the proper oil clearance required for smooth crankshaft rotation and engine durability.
Is this a standard-size bearing set?
Yes. Cummins 4955853 is a standard-size OEM main bearing set intended for crankshafts and engine blocks that remain within factory specifications.
What is included?
This listing includes one complete Cummins 4955853 OEM standard main bearing set.
When should main bearings be replaced?
Main bearings should be replaced during engine rebuilds, crankshaft repairs, or whenever bearing wear, scoring, contamination, or low oil pressure issues are discovered.
Do I need any related parts?
Inspect the crankshaft, connecting rod bearings, thrust bearing surfaces, seals, gaskets, and oil pump components during installation and replace worn parts as necessary.