This genuine STIHL 43131801102 throttle cable is an original equipment manufacturer (OEM) replacement part designed for use with various STIHL string trimmers and brushcutters. It connects the throttle trigger to the carburetor, enabling precise control over engine speed. When the throttle trigger is activated, the cable pulls on the carburetor's throttle plate, increasing fuel and air flow. Made from high-quality materials, this cable ensures proper throttle response and reliable operation for models including FS 120, FS 120 R, FS 200, FS 200 R, FS 250, FS 250 R, FS 300, FS 350, FR 350, FR 450, FR 480, and FR 480 C.