Description
Overview
This is a premium hydraulic steering fluid designed for SeaStar and BayStar systems. The fluid supplied in part number 291902 corresponds to a 946 mL (1 quart) bottle. It is optimised to maintain steering responsiveness, reduce wear, and extend seal life in marine environments.
Features
• Specialised base oil with additive package including anti-foaming, rust inhibitors, viscosity stabilisers, and wear agents
• Maintains fluid stability across a wide temperature range to support reliable steering
• Compatible with SeaStar/BayStar steering systems when used as intended
• Recommended by Dometic as the only fluid validated for their hydraulic steering systems
Specifications and Materials
Volume: 946 mL (1 US quart)
Density (specific gravity): ~0.844 @15.6 °C;
Viscosity class: ISO 15 hydraulic oil (typical)
Flash point: approx. 110 °C COC (Cleveland open cup)
Appearance: clear to light yellow liquid
Chemical family: petroleum hydrocarbon lubricant with proprietary additives
For full technical details, refer to the manufacturer’s Dometic SeaStar product information page Dometic SeaStar Hydraulic Steering Fluid.
Estimated product weight (fluid + bottle): ~0.95 kg (estimated based on density and typical bottle weight)
Packaging allowance: 0.20 kg
Compatibility and Fitment
Specifically intended for use in SeaStar and BayStar hydraulic steering systems. Use in matching systems only — substitution with non-approved fluids may lead to heavier steering, seal damage, or system failure.
Compliance and Safety
Refer to the SDS for hazard classification, handling, and disposal. Use protective gloves and eyewear during handling. Store in a cool, dry place, upright. Avoid contact with strong oxidising agents.
Marine Applications
• Power-assisted steering circuits on small to large craft
• Replacement or topping up of hydraulic steering systems
• Bleeding and servicing steering systems in marine environments
Why Choose Argomarine
At Argomarine, we prioritise genuine parts and proven performance. We verify each specification against manufacturer data to ensure you receive only validated steerage fluids. Browse our full range of marine fluid and service supplies by visiting our Cleaning & Detailing marine products category.
