Features: 1.Compatibility: Cylinder piston kit is replacement for Stihl MS 210, which is made according to the prototype model. 2.OEM Number: Chainsaw cylinder piston kit replace part number is 11230201216. Please make sure the OEM number matches the part you are replacing. 3.Excellent Advantages: Low noise, low expansion coefficient, heat dissipation, strong power and low fuel consumption, low friction surface as well as long service life. 4.Reliable Material: The cylinder piston set is made of die cast aluminum, not easy to break, anti aging, anti rust and wear resistant. 5.Outstanding Performance: Professional manufacturing, fine workmanship, not easy to break, stable performance and reliability. Specification: Item Type: Cylinder Piston Kit_x000D_ Material: Die cast aluminum_x000D_ OEM Number: 11230201216_x000D_ Cylinder Diameter: Approx: 40mm/1.57in_x000D_ Application:_x000D_ Replacement for Stihl MS 210 Note: 1.Please double check the part number of your item, matching information is for reference only._x000D_ 2.If you are unsure of the item, please contact us before buying to avoid unnecessary return, thanks!