This steering fluid is specially formulated for use in Mercury Mercruiser hydraulic helm steering systems. Also used on Mercury Hydraulic Steering -Verado 135-200 and bolt-on steering system. This steering fluid cannot be used in place of or any other power steering lubricants. Use of any other steering lubricant in Mercury Mercruiser hydraulic helm steering may have adverse effects on hydraulic steering system life. Quicksilver hydraulic helm steering fluid assures proper lubrication and extended steering system life for Mercury Mercruiser hydraulic helm steering. Contents: 1 l.