HOOAI New Carburetor with Choke Lever + Mounting Gasket Primer Bulb Fuel Line for Ryobi RY08420 RY08420A Backpack Blower OEM Part Number 308054079 Direct Replacement! OEM Part Number 308054079 Fitment models: Ryobi RY08420 RY08420A Backpack Blower 3 Months warranty from our store! We are professional carburetor manufacturer and seller! Please compare your old carburetor with the pictures if you are not sure if it will fit.