<b>Fits Sthil backpack blowers:</b><br>BR420, SR320, SR340, SR380, SR400, SR420, BR320, BR340, BR380, BR400 ,BR420C, BR340L <br>Replaces Sthil 4203 120 0601, 4203 120 0603, 4203 120 0605, 4203 120 0607 & HD-4A HD-4B HD-13B; MPN:4203-120-0601, 4203-120-0603 <br>Air Filter length 5-1/8" x width 3-1/2" x height 1-1/2" <br>Grommet Replace Sthil OEM # 0000 989 0516, Fuel line Replace 0000-930-2803 <br>The Brush diameters vary from about 2mm 2.5, 3.2, 4 to 5mm <br><br>Package include:</b><br>1 carburator, 1 air filter,1 spark plug,2 fuel filters,2 gasket,4 grommet,2 fuel line ,1 cleaner cleaning tool