4309347 Image1

4309347
Main Bearing Kit
Cummins®

AVAILABLE

Cummins®

Ships within 1-3 business days

$269.95 $321.24
Superseded by 5633523
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
The Main Bearing Kit, also known as the crankshaft bearing kit, is an essential component of a truck's engine. It consists of a set of bearings that support the crankshaft and allow it to rotate smoothly within the engine block. The 4309347 Main Bearing Kit is specifically designed for use in trucks and is made from high-quality materials that provide excellent durability and reliability. The bearings are precision-engineered to ensure proper fitment and alignment with the crankshaft, which helps to prevent premature wear and damage to both components. Regular maintenance of the Main Bearing Kit is critical for ensuring optimal engine performance and longevity.

SPECIFICATIONS

Notes
Standard
Package Dimensions
7.75 x 7.75 x 4.63 in
Weight
3.25 lb

BILL OF MATERIALS

Name Quantity Part Number
Crankshaft Thrust Bearing 1 3944163
* This information is provided as is and may be out of date.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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