Hustler mower owners, here's an OEM blade drive pulley for your machine! It's brand new, unused, and comes in original packaging (retail or manufacturer's). This pulley fits Hustler Super Z, Z, Diesel Z, and ATZ models with the part number 538850 (also marked as 723486 B). Made in the USA by Hustler, it's a genuine OEM part designed for diesel-powered zero-turn mowers. The pulley is a cover type, crucial for driving the blades smoothly. If your old pulley is worn or damaged, this replacement will get your mower cutting like new again. No UPC, but it's the real deal. Keep your lawn perfect with reliable Hustler parts. Easy to install and built to last – just what you need for a well-maintained machine!