4089971
Main Bearing Set
Cummins®

AVAILABLE

Cummins®

Ships within 1-3 business days

$2,799.95 $3,331.94

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.


DESCRIPTION
A Main Bearing Set, identified by the part number 4089971, is a crucial component in an engine's bottom end. It consists of bearings that sit between the crankshaft and engine block. These bearings are designed to support the rotating crankshaft and ensure smooth operation of the engine. The main bearing set helps to reduce friction between the crankshaft and block, which in turn reduces wear on both parts. Proper lubrication is critical to ensure long life of the main bearing set. Over time, these bearings can wear out due to regular use or lack of maintenance leading to unwanted noise or even failure of an engine. As such, it is important for mechanics or vehicle owners to regularly inspect and replace worn-out main bearing sets as needed.

SPECIFICATIONS

Notes
Standard
Package Dimensions
27.5 x 18.5 x 10.0 in
Weight
1.346 lb

BILL OF MATERIALS

Name Quantity Part Number
Main Bearing
Main Bearing
* This information is provided as is and may be out of date.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.