The Case-IH A44678 Pulley is a genuine OEM idler pulley designed for robust performance in a wide range of Case-IH agricultural machinery. This critical component ensures proper belt tension and smooth power transmission, essential for the efficient operation of combines, windrowers, and tractors. With an outer diameter of 139.7 mm, a bore diameter of 15.875 mm, and a width of 38.1 mm, this durable pulley is manufactured to precise specifications for a perfect fit and long-lasting reliability in demanding agricultural environments.