308563013 Backpack Blower BP42 Starter for Ryobi RY08420 RY42BPEMC New replacement starter assembly, part number 308563013 Fits backpack blower models listed below. Fits: RY08420 Backpack Blower Mfg. No. 090159001 RY08420A Backpack Blower RY08420A Backpack Blower Mfg. No. 090156003 & 090156008 RY08420A Backpack Blower Mfg. No. 090156008 RY08420A Backpack Blower Mfg. No. 090156009 RY08420A Backpack Blower Mfg. No. 090156011 RY42BPEMC Backpack Blower Mfg. No. 090156012 Quality assurance: Careful design, excellent processing. Made of highly durable materials, rigorously tested, compact and sturdy, and long-lasting. Super durable, high-quality substitute. Made of durable high-quality materials and rigorously tested by the manufacturer. Made of durable high-quality materials and rigorously tested by the manufacturer. This is a manufacturer replacement. Functionally equivalent to the previous components. The product description is carefully designed and finely processed. For precise fitting and wise selection. Our trusted accessories ensure smooth operation of your accessory tools. Please confirm the model above before placing an order. Please double check the dimensions and photos to ensure proper fit.