The Toro 1043103 is a genuine OEM idler pulley designed for optimal performance in a wide range of Toro Groundsmaster, Reelmaster, and Workman series equipment. This durable pulley maintains proper belt tension and alignment, crucial for the efficient operation of mowing decks and other driven components. With an outer diameter of 114.3 mm, an inner diameter of 15.875 mm, and a width of 28.575 mm, it ensures a precise fit and long-lasting reliability, reducing wear on associated parts.