400 1300, 4244 400 13001, 4244 400 1303, 4244 400 1306, 4244 400 1307. It is designed to fit a variety of Stihl backpack blower models, including the BR350, BR350Z, BR430, BR430Z, SR430, BR450, BR450C, and SR450. The package includes a spark plug, ensuring that your Stihl ...