Complete cylinder. Includes: Piston Ø 37 mm STH/11370302007 1 x Compression segment Ø 37 x 1.2 mm STH/11300343007 Piston pin 10x6.5x25 2 x Circlip 10 Models: MS 193 T, MS 193 TC-E Serial no. from 506550976 On the left the "Cylinder of the previous version with Ø 37 mm piston" code STH/11370201205. On the right the new “Cylinder with piston Ø 37 mm” code STH/11370201207. The previous “Piston Cylinder” continues to be available for older chainsaws. The new “Piston Cylinder” can only be mounted in combination with the following new components: Carburetor Deflector Filter bottom Silencer 1. CARBURETTOR Above the previous carburetor code STH/11371200606. Under the New carburetor code STH/11371200617. The older version carburetor remains available for front chainsaws. 2. DEFLECTOR On the left the previous deflector code STH/11371216900. On the right the new deflector code STH/11371216902. The older version deflector remains available for the front machines. 3. FILTER BOTTOM On the left the previous filter bottom code STH/11371410902. On the right the new filter base code STH/11371410904. The previous version filter base remains available for the previous machines. 4. SILENCER On the left the previous silencer code STH/11371400606. On the right the new silencer code STH/11371400608.