There are two types of engine pulleys; idler pulleys and tensioner pulleys. Idler pulleys spin freely and are not attached to any accessories nor the crankshaft, they simply aid in maintaining the configuration of the belt’s path. Tensioner pulleys are similar to an idler, but they have a spring type mechanism to provide proper tension on the belt. You Star offers all types of pulleys, designed and manufactured to run true and to last for thousands of maintenance free hours.
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At You Star, we can offer a complete range of parts for your fleet and provide genuine parts as well as a wide variety of interchangeable parts.
