The Fuel Primer Pump is a Genuine Stihl part specifically engineered to enhance the starting performance and priming efficiency of compatible Stihl machines, such as the TS410 and TS420 disc cutters. This essential component effectively draws fuel through the carburettor while purging air from the fuel lines, ensuring that the engine starts effortlessly and operates smoothly. Constructed with a clear, fuel-resistant elastomer bulb and a robust black plastic base, the Fuel Primer Pump is designed to withstand modern petrol blends, making it a reliable choice for maintaining optimal engine performance. Upgrade your Stihl equipment with this high-quality primer pump for improved functionality.