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Policies & FAQ

  1. When will I receive my order?
  2. What is the warranty policy?
  3. How do I cancel an order I just placed?
  4. What is the return policy?
  5. What payment methods do you accept?
  6. Why am I being charged sales tax?
  7. What if the part doesn't fit my vehicle?
  8. Where can I find installation instructions?
  9. What happens to my information?
  10. How can I use information found on this website?

Shipping & Deliveries

Same Day Shipping: Orders placed by 4PM PST Mon-Fri ship same day.

USA: We offer Free 2 Day shipping for all fuel pump orders over $60. Smaller items ship via USPS First Class and take 3-5 days for delivery. Expedited FedEx and UPS options are available at checkout. Saturday delivery is an extra charge for UPS and FedEx and not offered to all addresses. USPS deliver on Saturdays nationwide at no additional cost. Note that deliveries through all carriers may be delayed due to COVID-19 or other factors beyond our control. UPS and FedEx no longer offer a guarantee on their 2Day and Overnight shipping due to COVID-19.

International Shipping: We ship to all countries via FedEx, UPS, and USPS Priority Mail International. Shipping rates and transit times are calculated at checkout. To ship via DHL or to send us a shipping label through another carrier, please email or call 1-818-574-FUEL (3835)

For changes to your shipping method, please call us ASAP at 1-818-574-FUEL (3835). 

To use your own FedEx or UPS account for shipping, please call us at 1-818-574-FUEL (3835).

Please email us at if you have any questions about shipping and deliveries.


Quantum Warranty Information

All Quantum brand products are backed by a lifetime warranty. Quantum products that fail at any time will be replaced under warranty if it is determined that the failure was due to a defect in workmanship or material. 

This warranty only applies to the original customer and is non-transferable. Improper use or installation of the product voids this warranty, and Quantum is not responsible for incidental costs resulting from failure of the product. 

In the unlikely event that you should need to request a warranty, please contact us at with your order information and a detailed description of the problem. Please note that it is the customer’s responsibility to cover return shipping costs.


  • Quantum is not responsible for repair costs, towing costs, or storage costs related to a failed part.

  • Quantum is not responsible for repair or replacement of any ATV, motorcycle, snowmobile, vehicle or any other machine caused by misuse or incorrect installation of a part.

  • Quantum is not responsible for repair or replacement of any ATV, motorcycle, snowmobile, vehicle or any other machine due to a failed part.

  • Before the part is installed, the customer is responsible for verifying that the part number on the part and the box match the part number of the part ordered.


Cancellation Policy

Due to our same day shipping policy, products that are in stock tend to ship out soon after they are ordered. If you need to cancel your order for any reason, it is your responsibility to contact us ASAP at 1-818-574-FUEL (3835)Please call us directly - do not use email for cancellation requests. Cancellation is not always possible as we ship same day.


Return Policy

If you are not satisfied with your order, we offer returns and refunds up to 60 days after the purchase date. Phenix, S&B Filters and S&B Tanks returns have a percentage-based restocking fee.

For exchanges, please start a return for your original item and purchase the correct item separately. 

To start a return, please visit log in to your account on our website. Under the orders tab, you will see an option to return items on the right hand side of the screen. Click to proceed and follow the instructions on screen. If you do not have an account, you may contact us at with your order number to start your return.

Because of misuse or abuse of our policies, we reserve the right to refuse a return request for any reason. If your return is approved, we will email you with return instructions. Returns are generally processed within 2 business days. Please allow up to 10 business days for refund credits to be processed. Unfortunately, Quantum is not responsible for repair costs, towing costs, or storage costs related to a failed part.


Payment Methods

We accept all major credit cards as well as PayPal, Venmo (through PayPal), Amazon Pay, Apple Pay and Google Pay. Please contact us directly to arrange a bank transfer. Please note that for large orders or orders not shipped to the billing address we may need to contact you to arrange a bank transfer payment.


Sales Tax

Quantum collects sales tax according to state and local rates on orders for the following states: AK, AZ, AR, CA, CT, GA, HI, IL, IN, KY, LA, MD, MI, MN, NE, NV, NJ, NC, OH, PA, SC, SD, TX, UT, VA, WA, WV, WI

Wholesale buyers may contact us to submit a resale card for sales tax exemption by emailing


Vehicle Fitment

We do our best to keep our website comprehensive and accurate, however, part numbers and other information change often. Please make sure you check and verify fitment information before purchasing

You can email us with your OEM part number or year, make, and model to confirm fitment. Reach out to us at or 1-818-574-FUEL (3835) between 8AM-5PM PST and our knowledgeable technical support team will be happy to help.


Installation Instructions

Due to the diversity of products we offer, we are unfortunately unable to provide specific installation instructions for all products. Please refer to your vehicle manual for fuel pump installation and replacement information. 

Or,  you can choose to contact our tech support team directly for additional help. We can be reached by email at or you may call us at 1-818-574-FUEL (3835).

Quantum is not responsible for repair, replacement, towing, storage, or any other costs related to the installation or use of any of its products in any vehicle or machine. 


Privacy Policy

We respect your privacy and appreciate your trust. Quantum Fuel Systems does not sell, trade, rent, or otherwise profit from any of its customers' information, which includes names, phone numbers, addresses, email addresses, or any personal information. 

If you choose to sign up for our newsletter, you may occasionally get updates from us on new products, blog articles we write detailing installations, our own shop vehicles and what we are doing with them, or to showcase our involvement in the automotive and powersports industries.


Intellectual Property

Permission is granted to use the materials and information on Quantum Fuel Systems's website for personal, non-commercial, transitory viewing only. 

You may not: modify or copy the materials; use the materials for any commercial purpose, or for any public display (commercial or non-commercial); attempt to decompile or reverse engineer any material contained on Quantum Fuel Systems's website; remove any copyright or other proprietary notations from the materials; or transfer the materials to another person or "mirror" the materials on any other server.