Hydraulic Steering Fluid

7 Items

Set Descending Direction
View as Grid List

7 Items

Set Descending Direction
View as Grid List

Hydraulic Steering Fluid for Boats

Fill your steering system with the right fluid from Marine Parts Source so it meets the highest performance standards. We sell genuine marine hydraulic steering fluids from leading brands like Dometic SeaStar, UFLEX USA and Vetus. Each is formulated to remain viscous in extreme conditions and has special additives to help prevent wear and corrosion. Select a fluid to see which steering systems, such as BayStar and Seastar, the formula is made to work with.

Available in one-quart, one-liter and one-gallon jugs, we’ll make sure you get enough hydraulic boat steering fluid for routine maintenance or a steering system replacement. We make it easier for DIYers and pros to change the hydraulic fluid as well with OEM steering system bleeder kits and filler hoses. Add any hydraulic fluid or tools to orders over $100 for free U.S. shipping from warehouses nationwide. Do you need assistance?  Call us toll-free at 866-388-0390 or use our contact form to talk to our knowledgeable staff.


Sorry, is not an active item in our system. However, we may still be able to help you. Please email us at support@marinepartssource.com or call us at (866)388-0390 for assistance. Please make sure to have the item number handy when you contact us.

© 2025 Marine Parts Source. All Rights Reserved.