This hydro oil kit provides fluid and related service items for a listed hydrostatic drive system. Use it only when the equipment manual calls for the supplied oil type and service method. Review the kit contents before starting so you know the amount of fluid and any filters, seals, or fittings included. Check the manual for drain, fill,...Read more air-removal, and level steps. Do not mix fluid types unless the equipment maker says they are compatible. This is a genuine OEM part sourced from the manufacturer directly.