Customer Support

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FASS works to exceed customer expectations with the degree of engineering we incorporate in our product line. This is a FASS standard and is accomplished by designing for extreme conditions that most will never experience.

Even though our diesel fuel pump has a LESS THAN 2% FAILURE RATE we do realize that everyone may need a little technical support at times and that’s why our professionals are always here to help. Your local FASS fuel system dealers are here to provide the support you need when installing and using your replacement parts. Our technical support representatives and pump technical services are here if you have any questions at all on the installation of replacement FASS diesel fuel filters, universal fuel pump and diesel fuel systems.

FASS Fuel System Installation Guides

Check out this brief video for step-by-step instructions on downloading the correct FASS installation guide PDF.

What Our Customers Say

Just had a Fass System installed on my 2002 Ford Powerstroke with the 7.3L and could tell a difference immediately when I drove it right after the installation. The motor runs a lot smoother at idle and when cruising 75 mph down the interstate. Also noticed it to be a lot quieter while driving, I can barely hear the motor at all when the windows are up. It has a lot faster throttle response than it used to as well. I will be pulling a boat down to the lake this weekend and monitoring the fuel mileage; I will let you know what that comes out to once I get back.

Matt H.

As a diesel performance shop, we work with many manufacturers around the country. I can’t say enough about the team of experts at FASS Fuel Systems! They have given us an amazing product that is backed by possibly the best customer service in the industry. We have very few issues with the FASS Product line, but on the rare occasion that we do have a pump quit working, they have always been eager to make the situation a pleasant experience. We sell and install an average of 25 units a month here at Lead Foot Diesel Performance. In the seven years, we have been an LLC we have only had to warranty 5 FASS Fuel pumps, and the warranty was handled quickly and professionally. Keep up the good work team FASS! We appreciate all that you have brought to this industry.

Vinny H.

I am very impressed with the product! As team engineer so to speak in our race series smoke is a safety problem at times, delayed timing due to air causes smoke, and we had a TON of it, we have been making changes all year long but the biggest improvement I have seen was after installing the FASS systems on our 2 Cats and 1 Detroit, And the change was evident the first time you cracked the throttle, crisper response and smoke was drastically reduced!

Robert B.

I have 10 FASS units used in multiple applications, and they all work flawlessly! I just had my first issue; I failed to register for the warranty, and they still fixed my pump!! Great guys, great service, easy to work with. Oh, and of course the products work just like they are supposed to. Helping with mpg and reliability on my tow rigs to keeping fuel delivery problems a thing of the past on my twin turbo K5 Blazer!

Nick B.

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