Service and Support

Committed to Exceptional Customer Care

At Quantum, we take pride in delivering customer service that surpasses expectations. Through strategic partnerships with certified service networks, we provide a comprehensive suite of resources to optimize every aspect of your fleet operations. From construction and maintenance to daily management, our offerings enhance efficiency, reduce costs, extend fuel range, and maximize vehicle uptime.

We’re here to help when challenges arise. With nationwide reach, our support team is just a call away, ready to assist from anywhere in the U.S. We understand the urgency of your needs, which is why we prioritize fast, reliable service—resolving most truck service requests within 24 hours.

Contact Quantum Customer Service

We’re committed to service that is as innovative and user-friendly as our products. If there is anything we can help you with, don’t hesitate to contact us online or by phone at (949) 930-3400.

At Quantum, we know that great documentation makes for a great product experience. We provide clear descriptions, intuitive manuals, and streamlined parts catalogs.

We stand behind every product we make with a 2-year/200,000-mile warranty for fuel module systems and a 2-year/100,000-mile warranty for tanks.

Get answers to common questions about Quantum’s products and discover key information to guide your decisions.