<br>Aftermarket replacement carburetor for stihl <br>Fits Stihl backpack blowers: SR320, SR340,SR380, SR400, SR420, BR320, BR340, BR380,BR400 & BR420 <br> <br>Compatible with: <br>Stihl 4203 120 0601 Carb <br>Stihl 4203 120 0603 Carb <br>Stihl 4203 120 0605 Carb <br>Stihl 4203 120 0607 Carb <br>Walbro HD-4A HD-4B HD-13B Carburetor