The JCB 32008657A is a genuine OEM belt tensioner designed for a wide range of JCB agricultural and construction equipment. This high-quality tensioner ensures optimal belt tension, contributing to the efficient operation and longevity of your machine's engine and accessory drive systems. It is a direct replacement for part number 320/08657 and is engineered to meet JCB's stringent performance and durability standards. Key dimensions include a length of 139.7 mm, width of 139.7 mm, and height of 101.6 mm, with a weight of approximately 0.5 kg.