The Champion Power Equipment 100373 12.5kW Home Standby Generator Maintenance Kit includes everything you need to extend the life and function of your generator. The kit includes two spark plugs (F7RTC), an air filter and an oil filter. Scheduled maintenance is key to extending the life and function of a home standby generator. Proper generator care not only reduces the likelihood of costly repairs but also ensures the generator will be ready to provide power to your home during emergencies. Owning this kit will make it much easier to keep up with scheduled maintenance since you'll have just what you need on hand to keep your home standby generator in top condition. Don't wait until the power is out to discover you forgot to change the oil or replace a spark plug. Peace of mind comes with proper planning. Maintenance is recommended every 2 years or 100 hours of use. Champion recommends that you follow your model's specific maintenance schedule for exact intervals. Service should be sooner if you're operating your generator in high ambient temperatures or a dusty and dirty environment. This kit is compatible with 12.5kW home standby generators with serial numbers prior to 17NOV0201147. Buy with confidence - Champion will back up your purchase with a 1-year limited warranty.