laffoonparts 4180-120-0615 FS91R FS89 FS111R Carburetor Replacement Kit with Air Filter – Stihl Compatibility

Premium replacement kit for Stihl machines

The laffoonparts 4180-120-0615 FS91R FS89 FS111R Carburetor Replacement Kit with Air Filter is crafted to help you refresh aging fuel systems on a range of Stihl tools. This comprehensive set mirrors the official part numbers 4180-120-0615 for the carburetor and 4180-141-0300 for the air filter, providing a direct, compatible solution when you need to restore steady operation without guesswork.

Designed with real-world use in mind, this kit combines essential components into one ready-to-install package. Whether you’re tackling routine maintenance or addressing performance dips, you’ll find a thoughtful assortment that supports dependable starts and consistent idle—the kind of reliability you notice when you reach for your tool after a long day’s work.

What’s included and how it helps

• Carburetor with integrated air-filter compatibility, plus a matching air filter (part numbers 4180-120-0615 and 4180-141-0300).
• Fuel line, spark plug, two fuel filters, and two gaskets to sustain secure fuel delivery and seal integrity.
• Two primer bulbs and a carburetor adjusting tool to simplify initial starts and fine-tuning on compatible models.
• Clear, all-in-one packaging that reduces the need for multiple orders and helps you stay ready for maintenance.

Compatibility and fitment

Fits a broad selection of Stihl power equipment, including brushcutters from the FS89, FS89R, FS91, FS91R, FS111, and FS111RX lines; lawn edgers FC91, FC96, and FC111; HT102 and HT103 pole pruners; and Kombi engines KM91R and KM111R. This makes it a versatile option for households and professionals who own multiple Stihl units.

Real-world use cases

Use this kit when a carburetor replacement is needed after wear, when you notice rough idling or hard starting, or during a scheduled refresh of fuel-system components. The included air filter helps reduce intake debris, while the fuel line, gaskets, and primer bulbs support consistent fuel delivery and reliable starts. While results can vary by model and usage, the kit is designed to help your tool resume its typical performance with proper installation.

Important notes

Please review the product details and model compatibility before purchasing to ensure the part matches your specific machine. If you’re unsure, consult your tool’s manual or reach out for compatibility guidance.

Installation tips

• Disconnect the spark plug and follow standard safety precautions before beginning replacement.
• Compare the kit contents with your existing parts to confirm you have all the necessary components.
• Install the carburetor, then reassemble software components in the reverse order of disassembly, using the included adjusting tool to set baseline idle and mixture as needed.

With proper care and installation, this laffoonparts kit can help you restore functionality to several Stihl machines, keeping your work routine on track without waiting for service visits.