Features * Compact helm has only a 4-7/16” foot print - needs only 3” dash hole (Tilt requires larger hole) * 1.7 cu.in. capacity. installation instructions - West Marine
Ask if the part is still available. Many HH5271 parts have been superseded by newer numbers (e.g., HS5151 replaced by HS5199 in later revisions). Seastar Hh5271 Parts Diagram
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 Features * Compact helm has only a 4-7/16”