Easter Holiday Office Hours

In observance of the Easter holiday, General Motors and Upfitter Integration offices will be closed on Good Friday April 7th, 2023, and Monday April 10th, 2023. Inquiries/Requests made during this time will be addressed upon our return on Tuesday April 11th, 2023.

Thank you.

Upfitter Integration News and Information


We are constantly working to make contacting us a more user-friendly experience. We recently launched a direct contact inquiry ticketing system that allows you to reply directly back to us via the ticket system. Our responses to your requests/inquiries are sent via an email address of To insure you receive our responses please be sure to denote as NOT SPAM, so that the response is delivered to your email inbox.

Thank you

GM Upfitter Integration.