This genuine Case-IH part 504078554 is a high-quality pulley designed for optimal performance and durability in Case-IH Puma and Magnum series agricultural tractors. It ensures efficient power transmission within the engine or accessory drive system. Weighing 0.85 kg, this OEM pulley is engineered to meet original equipment specifications, providing a perfect fit and reliable operation for models including Puma 185, 200, 215, 230, and Magnum 200, 225, 250, 280, 310, 340, 370, 380.