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AeroFender™

Upgrade your quarter fender and improve your bottom line

To compete in a competitive trucking market, you need the advantage of fuel saving aerodynamics. Don’t leave money on the road.

ADD FLOWBELOW AeroFender TO YOUR SPEC AND REDUCE YOUR FLEET OPERATING COST FROM DAY ONE.

By optimizing airflow around the wheels of a tractor, FlowBelo'w’s AeroFender has been proven to significantly improve fuel efficiency, reducing operating costs for trucking fleets. The streamlined design helps minimize drag, enhancing overall performance. The AeroFenders offer financial savings and environmental benefits, but they also enhance safety by reducing rain splash and spray.

  • 1.44% Proven fuel savings*

  • Compatible with all OEM brands

  • ROI in 12-18 months*

The FlowBelow AeroFender™ is effective for both single and dual axle power units and further improves fuel economy when used with FlowBelow Wheel Covers.

 
Proven Fuel Savings


Smoothing the turbulent airflow around tractor and trailer tires will save fuel. The FlowBelow AeroFender replaces your existing quarter fender and improves fuel economy by 1.44%*.

  • Complements other aerodynamic devices

  • Factory available from all OEMs

  • Results tested and confirmed by MVT Solutions

* Source : Fuel savings based on MVT Solutions Certified Fuel Economy Test, November 2023.

The FlowBelow AeroFender™ reduces turbulence around the wheels of the tractor and complements other aerodynamic products, like: FlowBelow Tractor AeroKit (Shown here), side skirts, trailer tails, and FlowBelow Wheel Covers.

 
After extensive durability testing and ROI cost analysis, we began putting FlowBelow AeroFenders on our food service and grocery division fleets in 2021. We continue to spec it on all new vehicles to help us save fuel and reduce the environmental impact of our fleet.
— Daniel James - Director of Logistics and Transportation Management - McLane Company, inc.
Frequently Asked Questions


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Does AeroFender work on any truck? 

Yes, we have one version for Freightliners and a slightly different version for all other OEM brands.

Can I get this from the factory?
You can’t spec the AeroFender to be put on at the factory, but the Mod Centers are all able to quote and install the product so that it can be included in the initial cost of a new vehicle.

Can these be installed aftermarket?
Yes, you can easily replace your current fender with a new AeroFender, using the existing frame holes and/or mounting posts.

Where can I learn about the fuel savings claims?
MVT Solutions ran the FlowBelow AeroFender at their test track in November 2023 in a highly calibrated fuel efficiency test. Full testing data can be found at https://www.m-v-t-s.com/company/flowbelow/

Are there any color options?
Currently the AeroFender only comes in black.

How do you know the product works?
In addition to the MVT Solutions test run in November 2023, the product was track tested in 2021 with similar (though un-published) results. Additionally, we have been field testing with a major fleet for 3+ years. With over 1000 units installed and millions of miles driven, we are confident in the product’s durability and the fuel savings claims.

How can I buy AeroFender?
You can order them directly from FlowBelow by calling 512-524-4510, or you can buy them from your local dealer. For mod center installation, have your dealer contact Fontaine, Daimler CTS, Navistar TSC, or any major mod center for product and installation quotes.

What type of fleet will benefit most?
Any fleet that currently runs quarter fenders could benefit from the fuel savings that the AeroFender offers. They work on day cabs and sleepers, but may more typically be installed on trucks that don’t already have other Aero devices like fuel tank fairings or AeroKits.