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