The Mtd KH-20-789-01-S Engine Courage Maintenance Kit provides essential components for routine engine servicing and upkeep. The kit includes an air filter, pre-cleaner, spark plug, fuel filter, oil filter, and engine oil, helping refresh key filtration, ignition, and lubrication components. Regular replacement of these service items helps keep contaminants out, support proper combust... https://www.wholetoolbox.com/mtd-kh-20-789-01-s-engine-courage-maintenance-kit/KH-20-789-01-S.html