The John Deere AUC17074 Maintenance Kit is an essential OEM service package designed to keep your John Deere X350, X354, X370, X380, X384, X390, and X394 lawn tractors running efficiently. This comprehensive kit typically includes an air filter, oil filter, fuel filter, and spark plugs, providing all necessary components for routine engine maintenance. Regular use of this genuine John Deere kit helps maintain engine health, fuel efficiency, and overall machine longevity, ensuring reliable operation season after season. Refer to your owner's manual for specific maintenance intervals and instructions.