Have a warranty question? We can help.
Have your serial number and mileage ready then click the chat button if you want to:
Check warranty coverage on your vehicle*
Get an extended warranty quote
Check the status of your parts warranty claim
*Coverage quotes are limited to time and distance, all warrantable defects must be diagnosed to confirm coverage.
DETROIT: DD16 | DD15 | DD13 | DD8 | DD5
CUMMINS: ISX | ISL | L9 | ISB | ISC