Echo Original Equipment TUNE-UP KIT - YOUCAN - 84021Y Be proactive. By staying on top of recommended maintenance schedules, you not only prolong the life of your Shindaiwa equipment, but you save yourself time and money by reducing large scale repairs often incurred by not properly maintaining equipment. Your tune-up kit is easy to install. Most installations can be done in under five minutes and the best part is you don't need to be a pro to perform preventative maintenance on your equipment. You can do it; It's easy! Tune-Up Kit Includes: Fuel Filter Air Filter Spark Plug This TUNE-UP KIT - YOUCAN is used here; · 491s S/N: C68415001001 - C68415999999-->INTAKE, AIR FILTER, ENGINE COVER · 491s S/N: C68415001001 - C68415999999-->IGNITION · 491s S/N: C68415001001 - C68415999999-->FUEL SYSTEM · 491s S/N: C68415001001 - C68415999999-->MAINTENANCE KITS · 492 S/N: C83615001001 - C83615999999-->MAINTENANCE KITS · 492 S/N: C83615001001 - C83615999999-->INTAKE, AIR FILTER, ENGINE COVER · 492 S/N: C83615001001 - C83615999999-->IGNITION · 492 S/N: C83615001001 - C83615999999-->FUEL SYSTEM This is an OEM Echo part.