Seastar HK6400TC-4 Steering Kit Classic Tilt

SeaStar HK6400TC-4 Steering Kit Classic Tilt

The Dometic SeaStar HK6400TC4 provides unmatched steering comfort and control. This kit includes a helm, cylinder, 2 quarts of steering fluid, and steering hoses - ON US!

New & Improved Features – Helm Upgrade to -4 Series

The HK6400TC-4 replaces HK6400TC-3 and HK6400TC with significant upgrades to the helm:

• Enhanced Valve Technology – Provides quieter, tighter, and more responsive steering, minimizing chatter from overrunning loads.
• Stronger Check Valves – Improved durability and resilience, making the system more resistant to the stresses of trailering.
• Refined Aesthetics & Design – Features a sleek new look and a redesigned fill port plug for easier maintenance.
• Eliminated Flow Noise – Reduces hydraulic noise when coming off hard-over position, ensuring a smoother transition.
• Better Trailering Performance – Designed to withstand the rigors of trailering for longer service life.
• Tighter, More Responsive Steering – Delivers enhanced regrip performance, ensuring better control at higher speeds.

Choose Hose Length & Fitting Style - ON US!

• Add any HO5100 steering hose length with the drop down above at no additional charge.
• Choose to upgrade the hose fittings to stainless steel, ideal for salt water applications at no additional charge.
• These options are specific to Seatech Marine Products, INC.

This Kit Includes

• HH6541-4 1.7 Classic Tilt Helm Pump
• Dash Cut Out Dia: 3"
• Shaft Size: 3/4" Taper
• 1000 PSI
• HC5345-3 Front Mount Outboard Cylinder
• Bore Dia: 1.375"
• Displacement: 8.34in³/rev
• 1000 PSI
• HO5100 10-35' Standard Hoses - ON US!
• PSI Rating: 1000
• Length: 10ft - 35ft
• Connections: Brass or Stainless Steel
• HA5430H SeaStar Hydraulic Steering Fluid
• Quantity: 2 Quarts
• H5606QT will ship in this parts place if unavailable

Downloads & Resources

• SeaStar Front Mount Cylinder Installation Manual [PDF]
• SeaStar Front Mount Helm Pump Installation Manual [PDF]
• Cylinder Installation Manual [PDF]
• Helm Pump Installation Manual [PDF]
• SeaStar Steering Catalog [PDF]
• SeaStar Hydraulic Steering Selection Guide [PDF]
• Dometic Seastar Hydraulic Build Guide [HERE]

Will This Cylinder Work on my Boat?

• If you have a Single Outboard Engine (Normal Use)

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 the 50 States, USVI & PR
• Formerly Teleflex, Seastar is now Dometic Marine
• Seatech Marine Products, Inc. is an authorized dealer, and service center for Dometic Marine

International Customers: We Ship Worldwide and USPS, Shipping Cost May Quote Too High on Our Website, Contact Us for A Quote.