Description
DOMETIC SEASTAR Standard Outboard Hydraulic Hose Kit, 2 Piece x 20 ft – HO5120
The Dometic SeaStar HO5120 standard outboard hose kit is used to connect a SeaStar hydraulic helm to an outboard steering cylinder in two-line hydraulic steering installations. This kit is sized for a 20 ft (6.1 m) hose run and is intended for clean replacement, new installation, or rerouting work where pre-assembled SeaStar hydraulic steering hoses are required.
Each hose is supplied as a finished SeaStar steering hose with fittings already installed, helping preserve the low-expansion performance and leak-resistant connections required in hydraulic steering systems. The kit is suitable for many standard SeaStar outboard steering systems, but it is not intended for SeaStar PRO, Capilano, or three-line inboard systems.
- Matched two-hose set: sized for send and return lines in a standard two-line outboard hydraulic steering system.
- Pre-assembled construction: avoids field-cut hose ends and helps maintain correct steering hose integrity.
- Marine hydraulic steering use: designed for SeaStar steering fluid and SeaStar hydraulic steering applications.
- Replacement-friendly length: use the 20 ft length when it matches the existing hose routing or the measured installation path.
- Routing note: hoses cannot be shortened, so verify the required length before installation.
Product Specifications
- Manufacturer Part Number: HO5120
- Product Type: Standard outboard hydraulic steering hose kit
- Hose Length: 20 ft (6.1 m)
- Hose Quantity: 2 hoses
- System Type: Two-line hydraulic outboard steering
- Fluid Compatibility: SeaStar steering fluid
- Not For Use With: SeaStar PRO, Capilano, or three-line inboard systems

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