SIERRA 18-9702-2 0W-30 Synthetic Power Steering Fluid is specially engineered for marine power steering systems, delivering exceptional low-temperature performance and long-lasting protection. Ideal for Mercury outboard engines, this full synthetic fluid ensures smooth and reliable steering, even in extreme cold.

Formulated to resist oxidation and protect against rust and corrosion, it extends the life of steering components and ensures consistent operation. Compatible with existing fluid in your system, it makes maintenance easier and more efficient.

Key Features:

• SAE 0W-30 full synthetic formula for superior cold-weather performance

• Specifically designed for Mercury outboard power steering systems

• Resists oxidation and thermal breakdown for longer fluid life

• Blends easily with existing fluid—no need to flush the system

• Superior rust and corrosion protection in marine environments

• OEM replacement for Mercury 858077K01

• 946ml (1 quart) for convenient use and storage