Husqvarna 545139903 Chainsaw Chain Brake Assembly Genuine Original Equipment Manufacturer (OEM) Part This part is compatible with models including; 2150 TYPE 7,2175 TYPE 7,2050 TYPE 7,2375 TYPE 7,2375LE TYPE 2 Chain brake assembly 545139903 stops the chain when engaged or in the event of kickback Genuine Original Equipment Manufacturer (OEM) part. Compatible Brands: Poulan This chain brake assembly (part number 545139903) is for chainsaws The assembly may include multiple parts; refer to your parts diagram for a complete list of parts included