Maintenance Kits provide a collection for all your engine needs of spare parts for 1000 working hours’ intervals and/or 2500 Working Hours intervals. They include the recommended parts lists for your engine smooth operation and longevity. These kits include a grouping of oil filters, air filters, fuel filters, fan belts, and other parts as per your engine series. They include the 1000 Hours recommended parts as well as the 2500 Hours recommended parts per engine type.