1.7 Helm Outboard Hydraulic Steering Pump Hydraulic Pump HH5271-3 Front Mount. Compatible with Seastar HH5271-3: This helm pump is a direct replacement for Seastar HH5271-3 hydraulic steering system, designed for smooth, reliable steering in marine environments. Perfect fit, no modifications needed. Best choice of motor parts. Perfect for Cruisers, Center Consoles & Offshore Boats: Whether you’re installing a new boat hydraulic steering kit or replacing your old helm, this unit is ideal for fishing boats, cruisers, and performance vessels. 1.7 cu in Displacement with 4.9 Turns Lock-to-Lock: Enjoy smoother and more responsive steering with the industry-standard 1.7 helm, delivering precise control in most single-cylinder outboard configurations. Built-In Two-Way Lock Valve for Steering Stability: Eliminate unwanted rudder feedback with the integrated two-way lock valve, enhancing control during high-speed turns or in choppy water. Replaceable Shaft Seal for Easy Maintenance: User-friendly design includes a replaceable shaft seal, saving long-term costs and extending the service life of your helm pump. Positionable ORB Fittings for Easy Hose Routing: Equipped with stainless steel ORB (O-Ring Boss) fittings, which are position-adjustable to simplify hose installation, even in tight spaces. Front Mount Helm – Compatible with Seastar Dash Cutouts: Designed to fit existing 4.5 dash cutouts, this helm pump allows quick installation or retrofit without re-drilling or fabricating. Corrosion-Resistant Aluminum Alloy Body: Made from high-density, marine-grade anodized aluminum, it offers excellent corrosion resistance and long-term durability in saltwater conditions. If you experience any issues, feel free to reach out, and we’ll work to resolve them promptly. HH5271-3 Hydraulic Steering Helm Pump – Built for Performance, Designed for Durability. Upgrade your marine steering system with this high-performance HH5271-3 front mount hydraulic helm pump. Designed to be a direct replacement for Seastar HH5271-3, it provides precise, smooth, and reliable steering for outboard boats up to 300HP. Whether you’re navigating high-speed waters or cruising offshore, this 1.7 cu in helm ensures full control and lasting durability. Model: HH5271-3 Type: Front Mount Hydraulic Steering Helm Pump Displacement: 1.7 cu in (28cc) Lock-to-Lock Turns: 4.9 (in most single-cylinder outboard setups) Compatible Horsepower: Up to 300HP (600HP total for dual counter-rotating engines) Material: Marine-grade anodized aluminum alloy Ports: 5 × ORB (O-Ring Boss) stainless steel ports. Key Features & Benefits. Eplacement for Seastar HH5271-3. Seamlessly fits existing hydraulic steering systems. Save time, avoid drilling, and maintain original dashboard design. Built for 300HP Outboards: Designed to handle high-speed marine applications with ease-ideal for center consoles, cruisers, runabouts, and offshore fishing boats. 4.9 Turns Lock-to-Lock & 1.7 Displacement: Enjoy precise and effortless steering with a responsive 1.7cu in pump. Provides smooth feedback and control at all speeds. Built-In Two-Way Lock Valve: Stabilizes the helm and eliminates unwanted rudder feedback, especially useful in rough waters or high-speed turns. Replaceable Shaft Seal: Maintenance is easy and affordable-just replace the shaft seal when needed instead of the entire unit. ORB Fittings for Flexible Hose Routing: Includes positionable ORB stainless steel ports for easy plumbing and tight-space installation. Corrosion-Resistant Marine Aluminum Body: Resists saltwater, pressure, and wear-ensuring long-lasting performance in all weather conditions. Fast Front Mount Installation: Fits your current dash cutout (standard 4.5) with no modification needed. Ideal for New Installs or Replacements: Whether you’re upgrading or replacing, this helm pump is an excellent choice for reliability and value. HH5271-3 Outboard Hydraulic Steering Pump Helm. Hydraulic Steering Helm Pump. Compatible with Boat Hydraulic Steering Kit. For Seastar Helm, Up to 300HP Engines, 4.9 Lock-to-Lock Turns. Set or single item. 800-641 3/8” Aluminum Line Splice Repair Kit Works for A/C, coolant Etc. Waterproof Generator Cover for Honda EU2200i EU2000i & Companion Silver Outdoor. For Humminbird PC11 Power Cable Cord 720057-1 fit HELIX 8/9/10/12/15 800/900/797. Oil Filter Removal Tool Cup Wrench14 Flute for Toyota Lexus 2.5L to 5.7L Engines. 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