The Idler Pulley, a crucial component in 48-54 inch deck mowers, is essential for easy and quiet operation. Made of robust steel, it guarantees durability and reliability. Its generous 5-3/8 inch outer diameter ensures a perfect fit on your mower, for a hassle-free installation process. With just one piece, this replacement idler pulley saves you time and effort, allowing you to maintain your garden yard equipment efficiently. Upgrade to this idler pulley today and enjoy a smoother, quieter, and more trouble-free mowing experience.