Cummins Engine Call Center

U.S. and Canada

1-800-DIESELS
1-877-777-3126

Dodge/Mercedes Engines

Contact Us by Telephone
1-800-992-1997
M-F 8:00AM-5:00PM
Continental Time Zones

Contact Us by Mail:
Dodge Customer Assistance Center
P.O. Box 21-8004
Auburn Hills, MI 48321-8004

Chevrolet/Workhorse Engines

To contact Roadside Assistance call:

1-800-CHEV-USA

Ford Fleet

Monday - Friday

1-800-34-Fleet
1-800-343-5338