Husqvarna 576139401 Line Trimmer Throttle Cable Assembly Genuine Original Equipment Manufacturer (OEM) Part This part is compatible with models including; BT280,128DJX,128DJ,BC280 Throttle cable assembly 576139401 controls the engine speed Genuine Original Equipment Manufacturer (OEM) part. Compatible Brands: Husqvarna,Poulan This throttle cable assembly (part number 576139401) is for line trimmers The assembly may include multiple parts; refer to your parts diagram for a complete list of parts included