Contact Information

A fantastic customer experience is the #1 priority for our team here at FASS. To ensure this happens, we engineer every FASS Diesel Fuel System to exceed your expectations. Customer satisfaction, your satisfaction, is critical to the success of our business.

Normally, technical questions can be addressed by your local FASS fuel system dealer’s service department, as they can troubleshoot in-person. However, if you’d like to speak directly with our support team, don’t hesitate to give us a call at (636) 433-5410, or shoot us an email at TechSupport@fassride.com!

Address:

Diesel Performance Products, Inc.
16234 Hwy O
Marthasville, MO 63357 

1-866-POWER HP
1-866-769-3747
636-433-5410
techsupport@fassride.com

Operating hours:

Mon – Fri: 7:00AM-7:00PM CST

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Also

To better assist you please gather and include the following information:

  • Your name, address and daytime phone number
  • Model and serial number (not motor number)
    Example: Model: HD Series, Serial: 00125966
  • VIN number of vehicle
  • Date of purchase
  • Nature of problem

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FASS R&D

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