Husqvarna PTO Clutch No. 532137140. This is a high quality aftermarket clutch 1" ID keyed hub, 5.304" diameter pulley for 5/8" belt. Made by an OEM supplier. Replaces AYP part numbers 532137140, 137140, 142600, 532142600 and Warner #5215-51.PTO clutches are FINAL SALE upon checking out. They can not be returned once they have been ordered regardless of whether it's been opened or not.