Welcome to Arnold Motor Supply! A company of 650 passionate employees spanning throughout the Midwest with over 65 locations. Here at AMS, you’ll find a proud and committed team, dedicated to keeping you, your family and your business moving by keeping America on the road. It’s what we’ve been doing since we started all the way back in 1927, and it’s what we live and breathe daily.  The best service, a premier selection and a wealth of industry-leading knowledge is what you’ll find when you do business with us.  You’ll also find a vast network of affiliated companies and partners that reinforce and power what we at Arnold Motor Supply believe, that service is the difference.   To all our loyal customers, we thank you.   And, if you haven’t done business with us yet, we’d love for you to give us a test run.  You’ll soon see why we’re so much more than just auto parts.