Accessory Drive Belt Tensioner (W0133-1609158-FEB) by Febi®. Use with aluminum cast arm that pivots and holds tension on poly-belt via a threaded rod that adjusts to desired setting. This top-grade product is expertly made in compliance with stringent industry standards to offer a fusion of a well-balanced design and high level of craftsmanship. Manufactured from industry-leading materials using up-to-date equipment, it ensures everlasting reliability and enduring value. This product is distinguished by total quality assurance, unsurpassed by anybody else.