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5405773
Main Bearing Kit
Cummins®

AVAILABLE

Cummins®

Ships within 1-3 business days

$469.95 $559.24
Genuine OEM Part

This truck part is made by Cummins®. We guarantee that all of our parts are from the OEM (original equipment manufacturer), ensuring a proper fit and quality manufacturing.

Manufacturer Warranty*
DESCRIPTION
A Main Bearing Kit, also known as a crankshaft bearing set, is a package of bearings that are used to support the crankshaft in an engine. The Main Bearing Kit includes both upper and lower bearings which fit into the engine block and cap respectively. The bearings are made from high-quality materials such as steel or bronze and are designed to withstand the extreme pressures and temperatures generated by the engine. The kit is typically sold as a complete set for a specific engine model or size, and can be easily installed by a qualified mechanic. A worn or damaged Main Bearing can cause excessive vibration, noise, or even engine failure, so regular inspection and replacement is recommended to maintain optimal performance of your truck's engine.

SPECIFICATIONS

Package Dimensions
37.8 x 27.8 x 21.1 in
Weight
1.899 lb

BILL OF MATERIALS

Name Quantity Part Number
Thrust Bearing 1 3978822
* This information is provided as is and may be out of date. Please contact us or the manufacturer to verify warranty coverage.
* Variable geometry turbocharger and electronic actuator repairs are not eligible to be claimed as over-the-counter under New or ReCon parts warranty for parts installed after October 1, 2018.
* Diesel Oxidation Catalyst (DOC), Diesel Particulate Filter (DPF), Selective Catalyst Reduction (SCR) catalyst, and Electronic Control Module (ECM) repairs are not eligible to be claimed as over-the-counter under New or ReCon parts warranty for parts installed after January 1, 2020.
* These restrictions are only applicable to New parts and ReCon parts coverages for the components listed above sold to a customer in the US or Canada. All other coverages are excluded. All other regions are excluded.

Frequently Asked Questions

Have a question? Find common inquiries about parts and procedures with the link below.

FAQ PAGE

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Drop us a line. 1-800-466-1571

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