Customer Service: 800-382-1858 or email: cs4@zMAX.com
We are dedicated to making your purchasing experience as pleasant as possible. If you have any questions, comments, or other concerns, please use the appropriate number below.

Technical Questions: 888-645-1101 or email: tq4@zMAX.com
We are available for any questions concerning the use of our product or specific vehicle applications.

150,000 Original Mile Guarantee Questions: 800-382-1858
Our guarantee stands ready to assist you in the event of vehicle component failure. Note: for refunds under our money back guarantee, please call customer service number 800-382-1858.

To Order By Phone: 800-382-1858
United States and its territories

Canada and all other international orders
Call 800-382-1858 or email: int4@zMAX.com

Supplementary Numbers
24-Hour Protection Company: 888-999-0562