Arco Starting & Charging SW099 Solenoid for Mercury/Mercruiser 12V

The Arco Starting & Charging SW099 is a heavy-duty marine solenoid designed specifically for Mercury and Mercruiser applications. This 12-volt solenoid features an isolated base design that prevents electrical shorts and ensures reliable performance in harsh marine environments.

Key Features:

• 12-volt operating voltage for standard marine electrical systems
• Isolated base construction prevents grounding issues and electrical interference
• Direct replacement for Mercury/Mercruiser OEM solenoids
• Corrosion-resistant design for saltwater and freshwater use
• Heavy-duty contacts for reliable starting performance

This solenoid is an essential component of your marine starting system, controlling the high-amperage flow from the battery to the starter motor. The isolated base design makes it ideal for applications where electrical isolation is critical to prevent interference with other onboard electronics.