SeaStar HH5273-4 Front Mount 2.0 Hydraulic Boat Helm Pump

SeaStar HH5273-4 Front Mount 2.0 Hydraulic Boat Helm Pump

The world's most popular hydraulic boat steering helm (HH52734) offers smooth, efficient no feedback steering for inboard and outboard applications. Super-efficient steering for today’s high performance hulls with single or multiple outboards up to 700 HP combined. It’s the OEM Choice for center consoles, cruisers and more.

Important Update: Seastar Helm Update to -4

The latest series of helms has been redesigned to provide a better experience for the vessel operator:

• New valve technology ensures tighter, quieter, and more responsive steering, while minimizing the potential for chattering when dealing with overrunning steering loads.
• More durable check valves, making the entire steering system more resilient to the rigors of trailering.
• Revamped Design to enhance their aesthetics, and has introduced a new fill port plug design for easier maintenance.
• HH5273-4 replaces the HH5273-3, HH5273 and is the direct replacement

Applications:

• Most Hydraulic Steering applications for inboard/sterndrive/outboard boats up to 50ft
• Single outboard engine boats that travel up to 55MPH, for boats over 55-60MPH see PRO Helm Pumps
• Capable to be used in multiple stations

Features:

• Marine Grade Aluminum Shaft
• Improved Front shaft dust cover
• Compact helm
• Standard 3/4" tapered steering shaft
• Accepts wheels up to 28"
• Small 3.0" Hole cutout in dash
• Warranty: Limited 2 Year

Specifications:

• Front Mount Installation
• 2.0 cubic inches
• 1000 PSI Relief Valve Settings
• Operating temperature min: -18.00 °C
• Operating temperature max: 77.00 °C
• Horse Power Rating: 350.00 HP

What Comes In The Box:

• HH5273-4 Helm Pump
• Mounting Hardware
• HF6004 Fitting Kit 2x ORB-5 90° repositionable elbow fittings

Downloads & Resources: 

• SeaStar Boat Helm Installation Manual [PDF] 
• SeaStar Hydraulic Steering Selection Guide [PDF]
• SeaStar Marine Steering Catalog [PDF]
• Dometic Seastar Hydraulic Build Guide [HERE]
• We can rebuild your HH5273-4 [HERE]

Related Items & Spare Parts:

• HA5430H 1 Quart of SeaStar Fluid
• HA5438 Helm Bottle Filler Kit
• HP6032 Service Kit
• HF6004 Fittings
• HA5432 Non Vent Cap
• Seastar Hose
• Seastar Helm Pumps
• Seastar Cylinders

CAUTIONS:

• Do NOT use Teflon or Loctite on the fittings
• Do NOT try to install NPT fittings into helm pump as it may cause damage to the threads
• The fluid cap must be in the uppermost position at ALL times
• NEVER use brake fluid, only SeaStar Steering fluid or Mil Spec H5606 Fluid

Installation Notes:

• The helm pump is packaged with repositionable O-ring hose fittings (ORB)
• If a 20° mounting wedge is used, cut out dash as per mounting wedge template and mount helm directly to the 20° wedge
• The helm may be mounted with the helm shaft horizontal, vertical, or any angle in between
• Install the hose fittings before installing helm pump for ease of installation

Seastar HH5273-4 Dimensions:

Questions?

• Tech Support: Tech Support Page
• Check Stock: Stock Inquiry Page
• Request a Shipping Quote: Request Quote Page

• No Sales Tax on Purchases Outside of California
• Buy Now Pay Later with Affirm or PayPal Pay Later
• Formerly Teleflex, Seastar is now Dometic Marine
• Seatech Marine Products, Inc. is an authorized dealer, and service center for Dometic Marine
• FREE Overnight Shipping to the Lower 48 States. (If the availability at the top of this page lists as "In Stock" and the processing time after that)

International, USVI, Puerto Rican, Hawaiian & Alaskan Customers: We Ship Worldwide and USPS, Shipping Cost May Quote Too High on Our Web Site, Contact Us for A Quote.