Adefol is committed to providing each customer with high quality products and friendly customer service. To ensure item fitment, please compare your original with our pictures and check the details. FOR JONSERED CS2141 CS2145 CS2149 CS2150 CS2152 CS2153 Chainsaw Piston diameter: 44mm Pin diameter at wrist: 10mm Includes: 1 x 44mm cylinder, 1 x piston, 1 x pin, 1 x piston ring, 2 x circlip, 1 x needle bearing, 1 x fuel line, 1 x fuel filter, 1 x decompression valve, 1 x spark plug Attention: This kit does not include the bottom of the cylinder, please order it separately if you need it. FOR JONSERED CS2141 CS2145 CS2149 CS2150 CS2152 CS2153 Chainsaw-Piston diameter: 44mm-Pin diameter at wrist: 10mm-Includes: 1 x 44mm cylinder, 1 x piston, 1 x pin, 1 x piston ring, 2 x circlip, 1 x needle bearing, 1 x fuel line, 1 x fuel filter, 1 x decompression valve, 1 x spark plug