Husqvarna 531119302 KEY 4x4x16

Essential for maintaining and servicing Husqvarna power equipment on concrete cutting and grinding jobs, this replacement key ensures reliable power transmission between motor shafts and drive components. The 4x4x16mm dimensions provide exact factory specifications for proper mechanical engagement in compatible Husqvarna models. This small but critical component prevents costly downtime when original keys wear or shear under load during demanding concrete work. Keeps your equipment running when blade changes, motor servicing, or routine maintenance require shaft component access. Designed for concrete cutting contractors, equipment rental services, and maintenance technicians who need OEM replacement parts that match original equipment tolerances without modification or fitting issues.