【ATTENTION】The hole diameter of this carburetor is 14mm, which is only suitable for the old FS38. If you want to install it on the new FS38, you need to cut off the top of the carburetor pipe or buy other types of carburetors. 【Compatible】Suitable for STIHL FS38 FS45 FS45C FS45L FS46 FS46C FS55 FS55C FS55R FS55RC FS55T brush cutter. 【Easy to install】Just remove the old carburetor and install the new carburetor. The whole process only takes about 10 minutes. 【Package Includes】1 x Carburetor, 2 x Gaskets, 1 x Spark Plug, 2 x Caps, 1 x Sponge, 1 x Filter, 1 x Hose. 【Note】Please compare the appearance, shape and size with your original equipment before ordering to ensure that the kit fits your equipment.