AFS Propane Conversions and parts

Alternative Fuel Systems, Inc.


Alternative Fuel Systems, Inc. (AFS), a "Solutions Company" of 50 years, is the world's leading provider of OEM and aftermarket Off-road, Industrial natural gas or LPG (propane) fuel systems, components, ancillary and service parts. Currently, AFS offers more than 600 different fuel systems that are 100% tested and designed for easy installation. 

AFS is proud to be one of IMPCOs / GFIs largest and oldest global industrial distributors. What separates AFS from other distributors is the value of our technical experience in fuel system applications and design, emission calibrations, troubleshooting, maintenance and repairs, and expeditor of service parts from our extensive inventory.

AFS also manufactures its own line of custom industrial products, that include pilot actuated (2 stage) electric lock-offs, fuel filters, bulkhead filters, inline thermostats and UL approved fuel hose.

AFS is a major distributor for Parker (Fuel hoses and fittings), REGO (fittings and Tank valves). AFS also has sales agreements to promote Bosch (selected fuel system components), and other manufacturers of fuel system components. You will also see all these products promoted on our website and more.

AFS is committed to be the best value provider in the Industrial Market place for alternative fuel systems, ancillary, and service parts. We will continue to technically support our customer. We will continue to offer the world’s largest inventory of fuel system kits. We will continue to carry the most diversified inventory of parts to give our customers the 100% fill rate on their service parts orders. We will continue to expand our product line offerings and lastly, we are committed to be the most competitive supplier on the products that we market.

If you are already a customer of AFS, we thank you for your support and continued business. If you are not a customer of AFS, please give us an opportunity to give you the products and services you require. 

Let AFS be your Solutions Provider.


Contact Us

Better yet, see us in person!

We love our customers, so feel free to visit during normal business hours.

Alternative Fuel Systems, Inc.

3232 South Nordic Road, Arlington Heights, Illinois 60005, United States

(847) 437-2345


Open today

08:00 am – 04:00 pm

Drop us a line!