CDI Electronics 18-5881-1 Mercury 4-Cylinder Switchbox 114-5772

The CDI Electronics 114-5772 switchbox is a high-performance replacement ignition pack designed for Mercury and Mariner 4-cylinder outboard engines. This switchbox fits most engines ranging in years between 1976 and 1997, providing reliable ignition control for a wide range of applications.

Key Features:

• Direct replacement for Mercury/Mariner 4-cylinder outboard engines from 30 HP to 125 HP
• Designed to be better than the original, with CDI addressing the most common causes of component failure
• Plug-and-play installation with original wiring harness
• Compatible with engines from 1976-1997 model years
• Capacitive discharge ignition (CDI) technology for reliable spark delivery

Replaces OEM Part Numbers: 332-5772A1, 332-5772A2, 332-5772A3, 332-5772A4, 332-5772A5, 332-5772A7, 9-25104, 18-5881, and 114-5772.

This switchbox is engineered to provide consistent ignition performance for Mercury and Mariner outboards in the 40-125 HP range across multiple 4-cylinder configurations. The unit features durable construction and precise engineering to ensure reliable operation in harsh marine environments.