Auto Value Heavy Duty is your source for medium and heavy duty truck parts and supplies. From Class 4 to Class 8, we've got you covered with more than 60 product lines dedicated to your industry. As a member of North America's largest independent provider of parts to the commercial vehicle aftermarket, Auto Value guarantees competitive pricing and complete availability of most parts and supplies. Please click here to view the Quick Reference Guide below for the latest on fleet and heavy duty solutions from Auto Value.