Husqvarna Nut Flange Lock Top for Riding Mowers & Tractors / 532400234, 532178342, 539107590 Genuine Husqvarna Part # 532400234 Supercedes/Replaces Old Part #s 532178342, 539400234, 178342, 400234 &amp; 539107590 Fits Specific Husqvarna Models That Require This Part # Also Will Fit Other Husqvarna Produced Brands that Require This Part Number (AYP, Craftsman, Jonsered, McCulloch, Poulan, Poulan Pro, RedMax, Sears, Weed Eater) Genuine OEM Husqvarna Part