---
product_id: 21429713
title: "Dometic SeaStar Tilt Hydraulic Steering Kit, HK6400TX-3"
brand: "seastar"
price: "€ 3221.43"
currency: EUR
in_stock: true
reviews_count: 8
category: "Sea Star"
url: https://www.desertcart.hr/products/21429713-dometic-seastar-tilt-hydraulic-steering-kit-hk6400tx-3
store_origin: HR
region: Croatia
---

# ABYC & ISO Certified Safety Saltwater-Proof Sealing System 5 Turns Lock-to-Lock Precision Dometic SeaStar Tilt Hydraulic Steering Kit, HK6400TX-3

**Brand:** seastar
**Price:** € 3221.43
**Availability:** ✅ In Stock

## Summary

> ⚓ Navigate with confidence, steer with style.

## Quick Answers

- **What is this?** Dometic SeaStar Tilt Hydraulic Steering Kit, HK6400TX-3 by seastar
- **How much does it cost?** € 3221.43 with free shipping
- **Is it available?** Yes, in stock and ready to ship
- **Where can I buy it?** [www.desertcart.hr](https://www.desertcart.hr/products/21429713-dometic-seastar-tilt-hydraulic-steering-kit-hk6400tx-3)

## Best For

- seastar enthusiasts

## Why This Product

- Trusted seastar brand quality
- Free international shipping included
- Worldwide delivery with tracking
- 15-day hassle-free returns

## Key Features

- • **Versatile & Powerful:** Supports single/dual outboards up to 350 HP each, perfect for cruisers, runabouts, and offshore fishing.
- • **Customizable Hose Routing:** Positionable stainless steel O-Ring fittings allow sleek, hassle-free hydraulic hose installation.
- • **Saltwater-Ready Durability:** New end gland sealing and anodized fittings protect against corrosion and compression set.
- • **Certified Marine Confidence:** Built to meet rigorous ABYC & ISO standards for unmatched safety and quality on the water.
- • **Effortless Steering Control:** 5 turns lock-to-lock with 1.7 cubic inch helm displacement for smooth, responsive handling.

## Overview

The Dometic SeaStar Tilt Hydraulic Steering Kit HK6400TX-3 is a top-tier marine steering system engineered for outboard boats up to 350 HP per engine. Certified by ABYC and ISO, it features a 5-turn lock-to-lock helm with 1.7 cubic inch displacement for precise control, saltwater-resistant components, and customizable hose routing. Designed for smooth tilt articulation and robust durability, it’s ideal for professional-grade boating experiences and backed by a 2-year warranty.

## Description

One of the top selling recreational marine Hydraulic Steering Systems for Outboard powered boats from the leader in marine steering technology, SeaStar Solutions (formerly Teleflex Marine). The HK6400TC-3 Steering System includes HC5345-3 Outboard Steering Cylinder with Positionable Stainless Steel O-Ring (ORB) Fittings for easy Hydraulic Hose Routing (hoses sold separately), HH6541-3 Helm with updated ORB Fittings and Anodized Protection to saltwater, two Quarts of SeaStar HA5430 proprietary Hydraulic Steering Fluid for maximum performance and protection along with Installation Instructions. Components in the HK6400TC-3 meet ABYC and NMMA certification standards and are designed and manufactured in North America. This Steering Kit is ideal for cruisers, runabouts, center console boats, offshore fishing boats and many more. It is suitable for single and dual non-power-assisted outboard engines up to 350 HP (700 combined HP for counter-rotating dual engines) that have ABYC Standard Engine Tilt Tube. It is also suitable for speeds up to 60 MPH and dual station use (w/ purchase of extra helm, hose fittings sold separately). Do NOT attempt to install an NPT pipe fitting into a -3 helm hose fitting port. Doing so will lead to irreparable damage to the helm. Upgrade Options to Consider: Stainless Steel Bulkhead Hose Fittings SeaStar Power Assisted Steering SeaStar Products are backed by a two-year recreational user warranty against manufacturing defects. SeaStar Hydraulic Steering Systems are tested and certified using only SeaStar Hydraulic Fluid and SeaStar Hydraulic Hoses. Use of non-certified products to install SeaStar products may VOID warranty and could cause loss of steering control.

Review: Works great! - Should have converted over years ago when I first purchased my boat
Review: NOT compatible with the Mercury Pro XS 115-300 HP - This product is NOT compatible with the Mercury Pro XS 115-300 HP line of outboard motors. Product description indicates it is "Universal" It is not!

## Features

- Built and certified to meet safety & quality requirements established by the American Boat & Yacht Council (ABYC) and International Standards Organization (ISO)
- Hydraulic Steering Kit without hoses (ordered separately ho51xx where xx equals hose length in feet)
- Updated System includes Positionable Stainless Steel O-Ring (ORB) Fittings for easy hose routing and NEW End Gland Sealing System for maximum protection from saltwater and compression set
- 5 turns lock-to-lock with 1.7 Cubic Inch Displacement Helm (included) for maximum steering comfort
- Robust Barrell design and new graphics compliment new boats and motor packages
- 48 Degrees of Tilt Articulation, 5 Positive Lock Positions and Factory Installed Lubrication ensure Smooth Operation and Feel

## Technical Specifications

| Specification | Value |
|---------------|-------|
| ASIN | B00QJ7068O |
| Automotive Fit Type | Universal Fit |
| Best Sellers Rank | #396,847 in Sports & Outdoors ( See Top 100 in Sports & Outdoors ) #344 in Boat Steering Control Cables |
| Brand | SeaStar |
| Brand Name | SeaStar |
| Color | One |
| Compatible with Vehicle Type | Boat |
| Customer Reviews | 4.2 out of 5 stars 37 Reviews |
| Fit Type | Universal Fit |
| Global Trade Identification Number | 00808282339524 |
| Grip Size | 14 inches |
| Included Components | SeaStar Tilt Steering Kit (Classic) |
| Item Type Name | SeaStar Tilt Steering Kit (Classic) |
| Item Weight | 27 Pounds |
| Manufacturer | SeaStar |
| Manufacturer Part Number | HK6400TC-3 |
| Manufacturer Warranty Description | limited warranty |
| Material | Plastic |
| Material Type | Plastic |
| Model Number | HK6400TC3 |
| UPC | 808282339524 |
| Unit Count | 1.0 Count |
| Vehicle Service Type | Boat |

## Product Details

- **Automotive Fit Type:** Universal Fit
- **Brand:** SeaStar
- **Color:** One
- **Fit Type:** Universal Fit
- **Global Trade Identification Number:** 00808282339524
- **Grip Size:** 14 inches
- **Material:** Plastic
- **UPC:** 808282339524
- **Vehicle Service Type:** Boat

## Images

![Dometic SeaStar Tilt Hydraulic Steering Kit, HK6400TX-3 - Image 1](https://m.media-amazon.com/images/I/718n5kWahqL.jpg)
![Dometic SeaStar Tilt Hydraulic Steering Kit, HK6400TX-3 - Image 2](https://m.media-amazon.com/images/I/61cHjgBnv9L.jpg)
![Dometic SeaStar Tilt Hydraulic Steering Kit, HK6400TX-3 - Image 3](https://m.media-amazon.com/images/I/511rYo5PPVL.jpg)
![Dometic SeaStar Tilt Hydraulic Steering Kit, HK6400TX-3 - Image 4](https://m.media-amazon.com/images/I/61saJxXYstL.jpg)
![Dometic SeaStar Tilt Hydraulic Steering Kit, HK6400TX-3 - Image 5](https://m.media-amazon.com/images/I/51EX8kbB5bL.jpg)

## Questions & Answers

**Q: Tilt: 48 degrees of tilt. Does this mean 24 degrees up and 24 degrees down from 90 (perpendicular to dash)?**
A: Yes I believe so

**Q: Will this fit a 2005 merc 115hp 2 stroke?**
A: Yes but it’s over kill. Made for 150 or bigger.

**Q: What is the throw from left to right on the slave cylinder**
A: Roughly 8” give or take.

**Q: Does this replace my sea star hh5744 and will the ram handle (2) 225 yamaha**
A: Not 100% sure if it is a replacement for hh5744. Dimensions may be bigger or smaller than the hole you already have but hoses should connect just fine. And yes it will handle (2) 225 Yamaha

## Customer Reviews

### ⭐⭐⭐⭐⭐ Works great!
*by D***I on September 5, 2024*

Should have converted over years ago when I first purchased my boat

### ⭐ NOT compatible with the Mercury Pro XS 115-300 HP
*by K***C on December 5, 2025*

This product is NOT compatible with the Mercury Pro XS 115-300 HP line of outboard motors. Product description indicates it is "Universal" It is not!

### ⭐⭐⭐⭐⭐ Easy installation
*by P***N on July 21, 2022*

Worked for easy replacement of my BayStar

## Frequently Bought Together

- Dometic SeaStar Tilt Hydraulic Steering Kit, HK6400TX-3
- Dometic SeaStar Outboard Hose Kit, HO5102, 16ft.
- Dometic SeaStar Spacer Kit, HO5090

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*Product available on Desertcart Croatia*
*Store origin: HR*
*Last updated: 2026-05-23*