Features PARTS NUMBER: The part replacement number for this trimmer carburetor is 4140 120 0619, with standard size and good compatibility. APPLICABLE MODEL: This carburetor is suitable for Stihl FS38 FS45 FS46 FS55 FC55 HS71 HS75 HS80 HS85 KM55 trimmer models. METAL MATERIAL: Made of die cast aluminum material, with anodized surface, wear and corrosion resistance, has long service life. EASY TO INSTALL: The metal carburetor is compact, easy to install and replace, and is a common trimmer replacement accessory. STANDARD SIZE: With standard manufacturing, has precise opening and threads, can directly replace old or damaged carburetors. Specification: Item Type: Carburetor Material: Die Cast Aluminum Surface Treatment: Anodized Surface Applicable Model: For Stihl FS38 FS45 FS46 FS55 FC55 HS71 HS75 HS80 HS85 KM55 Trimmer Package List:1 x Carburetor Note:Please match the appropriate model before use Package List 1 x Carburetor