Upgrade your Stihl MS 201T M?Tronic or MS 201 chainsaw with a genuine Stihl OEM replacement wiring harness built for the electrical system. Designed to connect essential components�including the M?Tronic control unit, ignition module, stop switch and related sensors�this harness helps support stable starting, smooth running, and consistent throttle response. The assembly features insulated copper conductors with durable oil- and heat-resistant polymer sheathing, along with moulded plastic connectors for dependable fit with the saw�s factory sockets. Ideal for restoring proper electrical functionality using an authentic OEM part.