Husqvarna 532418373 Adapter.Blade.W/Key.25MM.CE Outdoor Products Spare Part USED ON THE FOLLOWING BRANDS:Husqvarna;Partner;Poulan;Weed Eater;Jonsered;Poulan Pro;McCulloch;Dixon Genuine OEM Husqvarna Part Current part number 532418373 replaces 532184590, 532193707, 532420097, 184590, 193707 and 420097. This is a Husqvarna replacement part CONSULT YOUR OWNERS MANUAL 30 Day warranty for defects in material or workmanship