Item Type: Coated Piston Cylinder KitMaterial: Steel, IronCylinder Bore: Approx. 47mm / 1.85inOE: 11140-020-1205Fitment: For STIHL MS 3621OE Number: The coated piston and cylinder kit replacement part number is 11140?020?1205 for reference, please double check the part number of your item before purchasing. 2Applicable Model: The heavy duty chainsaw coated piston cylinder kit is especially designed for STIHL MS 362 with high accuracy and perfect fitness to meet your needs. 3Advantages: Superior wear resistance, low noise, low expansion coefficient, improved heat dissipation, strong power and low fuel consumption, lower friction surface as well as long service life. 4Reliable Materials: Coated piston and cylinder kit is made from heavy duty steel and iron with high strength and high hardness, not easy to break, anti rust and anti aging, durable. 5Convenient Installation: The chainsaw piston cylinder kit with impregnated into substrate coating for reliable using, sturdy and simple, making the installation easy and convenient. 1 x Piston Pin 2 x Piston Ring 2 x Snap Ring 1 x Cylinder 1 x Piston 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