Standby Generator Maintenance Kit, Model Number Generac 6004 Ecogen 6Kw 530Cc. Product Details 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 Payment We accept PayPal and credit cards via PayPal. Taxes - US We collect sales tax, as required by law. Shipping We make every effort of shipping within 3 business day of payment clearing. The estimated delivery time is 2 - 5 business days from the shipping date. Policies If you do need to return your item, please contact us via email (you will receive an email when your product ships with additional details - Subject: Important information about your purchase). You will then be provided with a return shipping label and packing slip. Pack the item carefully. Include the packing slip, apply the shipping label, and return the item within 30 business days of the date you request a return, or your return will be canceled. Once we receive your order we will inspect the return. Please allow up to 5 business days of receiving the returned item for your refund.