Husqvarna 545180807 Line Trimmer Drive Shaft Assembly Genuine Original Equipment Manufacturer (OEM) Part This part is compatible with models including; GC2126,125LSST,125L Drive shaft assembly 545180807 rotates the cutting head on the line trimmer Genuine Original Equipment Manufacturer (OEM) part. Compatible Brands: Husqvarna,Poulan The drive shaft assembly (part number 545180807) is for line trimmers The assembly may include multiple parts; refer to your parts diagram for a list of parts included