GENUINE ECHO AIR, FUEL FILTER AND SPARK PLUG TUNE UP KIT FITS CS 303T, CS 341 90149Y PB 2620 50% Cotton 50% Poly blend 50% Cotton 50% Poly blend RECOIL) Where Used: · CS 310 S N: C04511001001 C04511999999 >Recoil Starter S N: C04511054934 C04511999999 · CS 310 S N: C04612001001 C04612999999 >Recoil Starter S N: C04612216215 C04612999999 · CS 310 S N: C04713001001 C04713999999 >Recoil Starter S N: C04713026436 C04713999999 · CS 310 S N: C23926001001 C23926999999 >Recoil Starter · CS 310 S N: C32914001001 C32914999999 >Recoil Starter · CS 310 S N: C33014001001 C33014999999 >Recoil Starter · CS 310 S N: C33113001001 C33113999999 >Recoil Starter · CS 310 S N: C35126001001 C35126999999 >Recoil Starter · CS 310 S N: C67815001001 C67815999999 >Recoil Starter · CS 310 S N: C67915001001 C67915999999 >Recoil Starter · CS 310 S N: C80829001001 C80829999999 >Recoil Starter · CS 352 S N: C19612001001 C19612999999 >Recoil Starter S N C19612041737 C19612999999 · CS 352 S N: C19711001001 C19711999999 >Recoil Starter S N C19711005444 C19711999999 · CS 352 S N: C19813001001 C19813999999 >Recoil Starter S N C19813006679 C19813999999 · CS 352 S N: C33314001001 C33314999999 >Recoil Starter · CS 352 S N: C68115001001 C68115999999 >Recoil Starter · CS 352 S N: C70415001001 C70415999999 >Recoil Starter