Replacement Carburetor Assembly (505183101) for Husqvarna 180BF / 180BT / 380BT Backpack Blower Key benefits Direct replacement that fits: Exact match to factory dimensions and mounting points so it installs without modification. Restores reliable operation: Replaces worn or damaged carburetor to bring back consistent starting, stable idle, smooth acceleration, and reduced stalling. Complete, readytoinstall unit: Package contains the full carburetor assembly as pictured — no missing parts. Built to specification: Manufactured to meet original factory performance standards for dependable, longlasting use. What this part does Delivers precise fuel metering and air/fuel mixture control so the engine runs as intended by the manufacturer. Maintains correct throttle response and idle control for safe, predictable blower performance. Compatibility and identification Compatible models: Husqvarna 180BF, 180BT, 380BT backpack blowers Part number: 505183101 Matches original carburetor dimensions and performance specifications Installation and performance notes Directfit design uses the original mounting points and connections for straightforward replacement. Designed to restore original equipment performance; routine tuning or inspection of gaskets, fuel lines, and filters is recommended when installing. Typical use scenarios Fall yard cleanup: Quickly a failing carburetor so a homeowner can clear leaves and debris without repeated pullstart failures or stalling. Professional landscaping: Minimize downtime for a landscaping crew by swapping in a factoryspec carburetor that restores reliable daily operation. Seasonal maintenance and tuneup: Use this complete assembly during annual service to older blowers to factorylevel starting and throttle response. What's included One complete carburetor assembly (as pictured), manufactured to match factory specifications for fit and performance.