Husqvarna 501818201 Low Crank Impeller Belt Genuine OEM Husqvarna part Fits Specific Husqvarna ST224, ST227P models Also Fits Other Brands Produced by Husqvarna that Require this Part # (Sears Craftsman, AYP, Poulan, Poulan Pro, Weed Eater etc.) Please Note: Does not fit all specs of above models listed, please make sure this fits by model, type and serial number of your engine