This genuine Husqvarna 532173437 flat idler pulley is an essential component for maintaining the drive system on various Husqvarna, Craftsman, and Poulan lawn tractors and riding mowers. Designed for durability and precise fit, it ensures proper belt alignment and tension, contributing to the efficient operation of your equipment. With an outer diameter of 136.525 mm, an inner diameter of 17.4625 mm, and a height of 30.1625 mm, this pulley is engineered to meet OEM specifications.