Husqvarna 581479401 Trimmer Purge Bulb W/Shaft & Fuel LI

The Husqvarna 581479401 Trimmer Purge Bulb with Shaft and Fuel Line operates by manually, pumping from the tank into the carburetor, supporting priming the engine for startup. When pressed the component forces fuel through the attached line and shaft creating a steady flow toward the engine. It is installed along the fuel path, usually mounted near the tank or frame, where the shaft and line connect directly to the carburetor. The assembly aligns with the existing fuel system, allowing controlled fuel movement while remaining securely positioned for consistent operation within the trimmers layout.