CUMMINS 4955853 OEM MAIN BEARING SET (STANDARD) – RAM 5.9L/6.7L (1989–2018)

Product Description

Looking for factory-correct bottom-end durability for your Cummins build? The Cummins 4955853 OEM Main Bearing Set (Standard) delivers the precise oil clearances, metallurgy, and long-life performance that only Genuine Cummins components provide.

This standard-sized bearing set is engineered for 1989–2018 5.9L and 6.7L Cummins engines, restoring factory crankshaft support and preventing premature wear under towing, hauling, and performance-enhanced conditions. Each bearing shell undergoes Cummins’ rigorous OEM quality validation to maintain consistent oil film strength, proper crush fit, and long-term reliability.

FITMENT

• 1989–2002 Dodge Ram 2500/3500 – 5.9L 12-Valve Cummins
• 2003–2007 Dodge Ram 2500/3500 – 5.9L 24-Valve Cummins
• 2007.5–2018 Dodge Ram 2500/3500 – 6.7L Cummins

CROSS-REFERENCE / ALTERNATIVES (CUMMINS-ONLY)

• Cummins 3802071 OEM Rod Bearing Set (Standard)
• Cummins 4892793 OEM Thrust Bearing Set

FREQUENTLY ASKED QUESTIONS

Are these bearings genuine Cummins OEM components?

Yes — this kit contains 100% genuine Cummins bearings sourced directly through authorized channels.

Do these bearings require machine work to install?

No machining is required if your crankshaft journals are within OEM specifications for a standard bearing set.

Can this bearing set be used on performance engines?

Yes. OEM Cummins bearings are often preferred for durability even on mild-to-moderate upgraded engines.

Should the bearings be plastigauged during assembly?

Yes — always verify oil clearances using Plastigauge or micrometer measurements during installation.

Does this set include thrust bearings?

No. Thrust bearings are sold separately (see cross-references above).

SPECIFICATIONS