Generac 6004 EcoGen 6kW 530cc Standby Generator Mainteance Kit Designed for the 6 ,000 (530 cc) EcoGen standby generator Generac 6004 Generac Maintenance Kit for EcoGen Standby Generator. Keep your generator running at optimum performance Includes:(1) Air Filter, (1) Oil Filter, (1) Oil Funnel, (2) Spark Plug, (1) Chamois, (1) Instruction Manual, (1) Preventative Maintenance Reminder Sticker 90 Day Warranty