Looking for heavy duty automatic belt tensioners? Look no further than our pulleys / tensioners and idlers category! At Robert's & Son, you will find high quality products that are built for coaches, Ford trucks, freightliner trucks and other HD transport vehicles. Once these replacement parts are installed into your vehicles, you will enjoy long lasting service and you never have to worry about long distance drives. What's more, the HD automatic belt tensioners we carry are from top brands such as Dayco's Gold Label Series. Buying products from leading brands certainly provides peace of mind. So browse through our inventory for HD automatic belt tensioners, and shop with confidence!