For Liquid Cooled Standby Generators With 5 Point 4L Engines, Generac Offers The Product Details Generac offers a comprehensive line of scheduled maintenance kits to ensure long life and top performance of your standby generator system. Generac's 6205 maintenance kit provides all the hardware necessary to perform complete routine maintenance to ensure your generator is always in top operating condition. Oil must be purchased separately based upon manufacturer's recommendations. Maintenance is recommended at every 200 hours or 2-years. Designed for 5.4L Generac Engines Will work with 48kW generator (2012 Model Year) Oil not included; should be purchased separately Kit Includes: (1) Air filter, (1) Pre-cleaner, (1) Oil filter, (8) Spark plugs, (1) Oil funnel, (1) Chamois, (1) Scheduled maintenance reminder sticker 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.