Dolmar 111, 115 and Makita DCS520 Cylinder and Piston Kit OEM Part No: This is a new aftermarket cylinder and piston kit for a Dolmar 111, 115 and Makita DCS520 a bargain at this price. These are a full chrome cylinder and very nicely machined. Is 44mm in diameter. These cylinder kits are good quality, I have fitted many myself. Any Questions just ask. DOL-CYLK-DCS520