Product Description for 49mm Cylinder Piston Kit Upgrade your chainsaws performance with our premium 49mm Cylinder Piston Kit, meticulously designed to meet original equipment standards and enhance your tool's efficiency and reliability. OE Number: This cylinder piston kit references OE number 1127 020 1216, ensuring it is molded and designed based on original specifications. Trust in its precise fit and function for seamless integration with your equipment. Fitment: Specifically crafted as a replacement for STIHL models MS390, MS290, MS310, 029, and 039, this kit ensures compatibility and optimal performance. Please verify your chainsaw model before ordering to ensure the perfect fit. Advantages: Experience the benefits of low operation noise, a small expansion coefficient, and excellent heat dissipation. This kit provides powerful performance with low fuel consumption and a minimal friction surface, enhancing the efficiency of your chainsaw. Reliable Material: Constructed from die-cast aluminum, this kit is both strong and precise, offering a safe and durable solution that resists breaking and guarantees a long service life. Fine Workman