SeaStar HH5281-4 Rear Mount 1.7 Hydraulic Boat Helm Pump (1" Shaft)

SeaStar HH5281-4 Rear Mount 1.7 Hydraulic Boat Helm Pump (1" Shaft)

The world's most popular hydraulic boat steering helm (HH52814) 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.
• HH5281-4 replaces the HH5281-3, HH5281 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:

• Compact helm
• Accepts wheels up to 28"
• Small 3.0" Hole cutout in dash
• Remote Fill Point

Specification:

• 1" Straight Shaft
• Rear Mount Installation
• 1.7 cubic inches
• 1000 PSI Relief Valve Settings

What Comes In The Box:

• HH5281-4 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 HH5281-4 [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

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
• FREE Ground Shipping to the Contiguous 48 States
• Formerly Teleflex, Seastar is now Dometic Marine
• Seatech Marine Products, Inc. is an authorized dealer, and service center for Dometic Marine

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.