Is your STIHL leaf blower not running right because of a cracked air box or a dirty, torn filter you can't clean anymore? This complete air housing assembly kit might be the fix. It's designed to be a direct replacement for STIHL handheld leaf blower models BG56, BG56C, BG66, BG86, BG86C, SH56C, and SH86C. It replaces the original STIHL part numbers 4241 140 1000 and 4241 120 1800. What's in the box? You get the whole shebang: 1 Air Filter Housing Base (the main plastic piece), 1 Air Cover (the outer lid), and 1 Air Filter (the foam filter element itself). So it's everything you need to refresh the air intake system in one go. Installing a new, clean air filter housing is crucial for your blower's performance. A good seal ensures the engine gets clean air and runs at peak power, while a damaged housing can let in dust and debris that will wear out the engine fast. This should be a straightforward swap. Just make sure your blower's model number matches exactly before ordering. Keep your trusted STIHL blower running strong for seasons to come with this essential maintenance parts kit. A little preventative care goes a long way!