Husqvarna Assy Coupler Black Part # 545213801 Coupler Genuine Husqvarna Part # 545213801 Fits Specific Husqvarna Models That Require this Part # Also Fits Other Brands Produced By Husqvarna That Require This Part # (AYP, Craftsman, Poulan, Poulan Pro, Roper, Weed Eater etc) Genuine OEM Husqvarna Part