Husqvarna 545154009 Piston Ring Replaces: 530012472, 530053565 Genuine OEM AYP Part; OD 1-3/8"; ID 1-2/8" American Yard Products manufactures parts and equipment for leading brands in the industry. Those include Craftsman, Husqvarna, Poulan Pro, Poulan, Weed eater, Roper, Sears, Rally, EHP (Electrolux Home Products) and Yard Pro