Arco Starting & Charging R211 Relay 12V 30A Mercury Marine Replacement

The Arco R211 is a heavy-duty marine relay designed specifically for Mercury outboard applications. This original equipment quality replacement relay operates at 12 volts and is rated for 30 amps, providing reliable electrical switching for critical marine engine systems.

Key Features:

• 12 volt, 30 amp continuous duty relay for Mercury marine engines
• Direct replacement for Mercury Marine 87-18211, Sierra 18-5729, and Sierra 18-6267
• Over-engineered to exceed OE standards and outlast original equipment
• Factory tested before shipping for lowest failure rates in the marine industry
• Built with premium input components to withstand harsh marine environments
• Manufactured by Arco Marine in Pensacola, Florida since 1960

Arco Marine relays are electromechanical switches operated by a magnetic coil, designed to control high-current circuits in marine starting and charging systems. Each relay undergoes rigorous testing prior to packaging, ensuring dependable performance and long service life in demanding saltwater and freshwater conditions.