The Husqvarna 581156101 Leaf Blower/Vacuum Carburetor regulates the fuel and air mixture needed for proper engine combustion. This component meters fuel and mixes it with incoming air before delivering the mixture to the engine, supporting starting and steady operation. Proper carburetor function helps maintain consistent engine performance during blowing and vacuuming tasks. Replacin... https://https://www.wholetoolbox.com/husqvarna-581156101-leaf-blower-vacuum-carburetor/581156101.htmlwww.wholetoolbox.com/husqvarna-581156101-leaf-blower-vacuum-carburetor/581156101.html