2019-2024 Duamax/ Cummins Rear Differential Cover (WCF100114)

Have A Dirty Christmas

Our office will be closed for the holidays starting December 23rd and will resume regular operating hours on December 30th.

During this time, no orders will be shipped, and tuning support will be unavailable. However, CCS EZ-Lynk Support Packages will still be fulfilled.

We would like to thank all of you for your continuous support, and we're looking forward to working with you in the New Year!
We wish you all a Merry Christmas!
- The Dirty Diesel Team