The Case IH 391080 grooved pulley is a genuine OEM replacement part designed for various Case IH agricultural machinery, including 7100/7200/8900 series tractors, 1600/2100/2300/2500 series combines, 1800/2000/2100/2500 series cotton pickers, 8800 series forage harvesters, and 8800 series windrowers. This essential component ensures proper belt tension and power transmission within the machine's drive systems. Weighing approximately 0.45 kg, this durable pulley measures 152.4 mm in length and width, and 50.8 mm in height, providing reliable performance for demanding agricultural operations.