The is a foundational 1.7 cubic inch front-mount hydraulic helm pump designed for outboard, inboard, and sterndrive boats up to 350HP. It functions as a manual axial piston pump, translating the rotation of your steering wheel into hydraulic pressure to move the steering cylinder. SeaStar HH5271 Parts & Components
The is a 1.7 cu. in. front-mount hydraulic helm pump, widely considered the gold standard for manual steering in powerboats. Whether you are troubleshooting a leak or performing routine maintenance, understanding the components of this axial piston pump is essential for maintaining safe steering control. SeaStar HH5271 Parts Breakdown Seastar Hh5271 Parts Diagram
You can obtain the official diagram from several sources: SeaStar HH5271 The is a foundational 1