The genuine Stihl switch is an essential replacement part for the MS500i chainsaw, designed to match OEM No. 1147 430 0512. This switch serves as the electrical on/off control, providing reliable engine starting and stopping to ensure your chainsaw operates safely and responsively. Constructed with a durable plastic body and robust metal contacts, the Stihl switch is engineered to endure vibration, dust, and the rigors of frequent use in challenging environments. Upgrade your MS500i chainsaw with this high-quality switch for optimal performance.