COMPANY NATURAL GAS HYDROGEN REAL WORLD APPLICATIONS SERVICE CONTACT US Contact Quantum Service Contact Quantum Service Send Us an Email At Quantum, we pledge to respond to your issue or question within 24 hours. We’re proud that our typical customer service response time is under 4 business hours, so you can expect to hear from us within the same day. Please complete this form. Fields marked with an asterisk (*) are required. *First Name *Last Name *Email address Your Phone Number *Please Select One --- Service Warranty Parts Let us know how we can help Find a Service Center If repairs are necessary, we can help find a service provider near you. Give us a call us and our technical team will be happy to assist you. (800) 816-8691 Contact Us By Phone Service available 7:00 am to 4 pm PST. Call us and our technical team will be happy to assist you. (800) 816-8691 25372 Commercentre Drive Lake Forest, CA 92630 Phone: (949) 930-3400 Contact Us Online PRODUCTS AND SERVICES Advanced Fuel Storage Tanks Q-Rail CNG Fuel Systems Q-Cab CNG Fuel Systems Virtual Pipeline CNG Trailers – Towable Hydrogen SERVICE Product Documentation Warranty Information FAQs Contact Quantum Service WHY QUANTUM Natural Gas for Transportation COMPANY Quantum Values Markets Served Sales Careers Contact Us NEWS All Press Releases ©2021 Quantum Fuel Systems LLC. Terms Privacy Policy