> ## Content Index
> Fetch the complete content index at: https://oemdieselparts.com/llms.txt
> Use this file to discover other available public pages before exploring further.

# 3978818 Main Bearing
- URL: https://oemdieselparts.com/3978818-main-bearing/
- Published: 2020-11-10T03:02:52.000Z
- Updated: 2026-11-02T06:38:22.000Z
- Author: Walle Disesel
- Tags: CUMMINS, Genuine Quality, Cummins 4B, Cummins 6B, Cummins QSB6.7, #Import 2026-10-20 05:37

![](https://oemdieselparts.com/content/images/2020/11/Main-Bearing-3978818.jpg)

![](https://oemdieselparts.com/content/images/2022/07/3978818-.jpg)

![](https://oemdieselparts.com/content/images/2022/07/C3978818---BEARING-MAIN.jpg)

CUMMINS Genuine Quality Cummins 4B Cummins 6B Cummins QSB6.7 3978818 Main Bearing