Features: 1.Fitment: Cylinder piston kit is replacement for Stihl TS400 TS 400 Chainsaw, which is made according to the prototype model. 2.OEM Number: Chainsaw cylinder piston kit replace part number is 42230201200. Please make sure the OEM number matches the part you are replacing. 3.Features: Low noise, small expansion coefficient, good heat dissipation, strong power, low fuel consumption, and small friction surface. 4.Reliable Material: Die cast aluminum material, strong and precise, safe and durable, not easy to break, long service life. 5.Ideal Replacement: According to the original size design, perfect replacement of the old or damaged original one. Specification: Item Type: Cylinder Piston Kit_x005f_x000D_ Material: Die cast aluminum_x005f_x000D_ OEM: 42230201200_x005f_x000D_ Cylinder Aperture: Approx: 49mm/1.92in_x005f_x000D_ Application: _x005f_x000D_ Replacement for Stihl TS400 TS 400 Chainsaw Note: 1.Please double check the part number of your item, matching information is for reference only._x005f_x000D_ 2.If you are unsure of the item, please contact us before buying to avoid unnecessary return, thanks!