Is your Stihl tool running rough or not starting right? This high-performance carburetor might be the fix you need! It's a brand-new, direct replacement part designed to match or beat the original Stihl specs. Compatible with a bunch of Stihl models like the FR130T, FS110, FS130, FS130R, HT130, HT131, KM130, and others (check your part number: 4180 120 0610, C1Q-S173, etc. – see full list in description). This carb helps mix fuel and air properly, which means smoother engine running, less chance of oil issues, and better fuel efficiency. It's also more environmentally friendly with lower emissions. Installation is straightforward if you're handy. Comes exactly as shown in the photo – just the carburetor. Always double-check your old part number to make sure this is the correct match for your specific Stihl tool model. A reliable, cost-effective way to get your equipment running like new again!