Dometic Seastar
SeaStar HS5157 Seal Kit for Hydraulic Outboard Front Mount Cylinder (2 Screw In End Glands with Wrench)
- SKU:
- HS5157
- Condition:
- New
Description
SeaStar HS5157 Seal Kit – Front Mount Outboard Cylinder Rebuild Kit
Complete Seal Replacement Kit for SeaStar Outboard Hydraulic Cylinders
The Dometic SeaStar HS5157 Seal Kit is designed to rebuild and restore your SeaStar front mount outboard hydraulic steering cylinder, eliminating leaks and restoring full performance. This OEM-quality kit includes two screw-in seal glands, a pin wrench, and a guide tool—everything you need for a proper and precise repair.
Built with high-grade marine materials, the HS5157 kit is ideal for harsh marine environments, helping you avoid the cost and downtime of cylinder replacement.
Key Features & Benefits
✔ Complete Cylinder Seal Rebuild Kit – Includes 2 screw-in end glands, pin wrench, and a seal gland installation guide tool.
✔ Marine-Grade Durability – Engineered with high-quality materials for long-lasting performance in corrosive saltwater environments.
✔ OEM Replacement – Direct from Dometic SeaStar, this kit ensures proper fit and function with all compatible cylinders.
✔ Fix Leaks & Restore Steering – Ideal for leaking or weeping cylinders, restoring full steering power and safety.
✔ Do-It-Yourself or Pro Installation – Easy enough for experienced DIYers, but also recommended for use by professional marine technicians.
Kit Includes
- 2x Screw-In Seal Glands
- 1x Pin Wrench for Glands
- 1x Guide Tool for Seal Installation
Compatible SeaStar Cylinder Models
The HS5157 is compatible with the following front mount outboard cylinders:
| Cylinder Model | Cylinder Model |
|---|---|
| HC5340 | HC6750 |
| HC5341 | HC6751 |
| HC5342 | HC6752 |
| HC5343 | HC6753 |
| HC5345 / HC5345-3 | HC6754 |
| HC5346 | HC6755 |
| HC5347 / HC5347-3 | HC5357 / HC5375-3 |
| HC5348 / HC5348-3 | HC5394 |
| HC5358 / HC5358-3 | HC5445 |
| HC5365 | HC6345-3 / HC6358-3 |
| HC5375 | HC6358 |
Recommended Add-Ons & Accessories
| Product | Part # |
|---|---|
| SeaStar Hydraulic Fluid – 1 Quart | HA5430H |
| Bottle Filler Kit | HA5348 |
| Cylinder Rebuild Service | HERE |
Why Choose the SeaStar HS5157 Seal Kit?
When your SeaStar outboard cylinder starts leaking or loses pressure, the HS5157 seal kit provides a cost-effective and reliable solution to restore function. With everything you need for a proper repair, this kit is a must-have for routine maintenance or emergency fixes.
Restore your steering performance with the SeaStar HS5157 Seal Kit – designed for reliability, built for the sea.
Downloads and Resources
- HS5157 Rebuild Instructions for SeaStar Outboard Hydraulic Cylinders [PDF]
- SeaStar Steering Catalog [PDF]
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 2 DAY AIR Shipping to the Lower 48 States, USPS Priority Mail to AK, HI, USVI & PR
- If you order oil/oil filler kit with this kit, free shipping will revert to ground.
International Customers: We Ship Worldwide, Shipping Cost May Quote Too High on Our Website, contact us for a quote.
Warranty Information
4 Reviews
-
Hydraulic Steering Rebuild Kir
The kit was an exact replacement and was easy to install. My boat steering is like new again!
-
Came with everything needed for the job. Quick & easy repair.
So simple even a cave man could do it.. Hardest part of the job was bleeding the system.
-
Great replacement parts
Great replacement parts. I bought them so my mechanic had the correct parts to do the job
-
Seal kit we needed
This was the correct seal kit for our cylinder.
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