

🌊 Steer with confidence — power, precision, and protection in every turn!
The Dometic SeaStar HC5370-3 Side Mount Outboard Steering Cylinder is a top-tier hydraulic steering solution designed for single and multiple outboard engines up to 600 HP. Engineered with corrosion-resistant stainless steel fittings and certified to ABYC and ISO standards, it offers smooth, responsive steering with 4.8/5.7 turns lock-to-lock. Perfect for center console fishing boats and cruisers, it supports advanced power assist options and is built to withstand harsh marine conditions, ensuring reliable performance and safety on the water.
| Brand | SeaStar |
| Item Weight | 3.9 Pounds |
| Color | One |
| Material | Stainless Steel |
| Engine Type | 4 Stroke |
| Operation Mode | Electric |
| Recommended Uses For Product | For Fishing Boats, For Salt Water |
| Voltage | 12 Volts (DC) |
| Mounting Type | Engine Mount |
| Maximum Horsepower | 6E+2 Horsepower |
| Manufacturer | SEASTAR SOLUTIONS |
| UPC | 731957902719 |
| Global Trade Identification Number | 00731957902719 |
| Item Package Dimensions L x W x H | 24 x 5 x 5 inches |
| Package Weight | 2.27 Kilograms |
| Item Dimensions LxWxH | 15.25 x 4 x 3.25 inches |
| Brand Name | SeaStar |
| Country of Origin | Canada |
| Warranty Description | limited warranty |
| Model Name | SeaStar Cylinder 125-8 Side Mount O/B |
| Suggested Users | unisex-adult |
| Number of Items | 1 |
| Part Number | HC5370-3 |
| Included Components | SeaStar Cylinder 125-8 Side Mount O/B |
| Size | Medium |
J**L
Outboard steering piston
Great replacement part
S**O
worked great
easy install
G**R
Fast delivery
Fast Delivery! It also include helm filler hose and helm filler plug. Very nice!
D**N
Great product
Good quality, fast delivery!!
W**S
Five Stars
easy installation quick delivery
J**S
Five Stars
I love this product
A**R
Direct replacement
Direct replacement for my old K-13 cylinder. Dometic tech support was amazing! Answered all my questions regarding updating my 30yr old hydraulic steering. Definitely recommend.
Trustpilot
1 month ago
1 day ago