CDI 339-7452A3 Switch Box For Mercury 1980-1987 2 Cylinder 18 20 25 35 40 HP US

CDI 339-7452A3 Switch Box For Mercury 1980-1987 2 Cylinder 18 20 25 35 40 HP US

Restore your engine's peak performance with this high-quality ignition switch box. This aftermarket component is designed to replace your faulty unit, ensuring a reliable spark and smooth operation for your Mercury outboard. Built to withstand the rigors of marine use, it provides a cost-effective solution to keep your boat on the water without the high cost of original equipment.

Key Features & Benefits

• High-quality aftermarket replacement part
• Restores reliable ignition and engine performance
• Durable housing designed for marine environments
• Direct replacement for part number 339-7452A3
• Precision engineered for a perfect fit

Compatible Models

• Mercury 18 HP (1980-1987) 2-Cylinder
• Mercury 20 HP (1980-1987) 2-Cylinder
• Mercury 25 HP (1980-1987) 2-Cylinder
• Mercury 35 HP (1980-1987) 2-Cylinder
• Mercury 40 HP (1980-1987) 2-Cylinder

Product Specifications

• Product Type: Ignition Switch Box (CDI Unit)
• Condition: New Aftermarket
• Cylinders: 2
• Interchange Part Number: 339-7452A3

Frequently Asked Questions

Is this an OEM part?

No, this is a premium aftermarket part designed to function as a direct replacement for the original component.

How do I confirm compatibility?

Please verify that your original part number matches 339-7452A3 and ensure your engine falls within the specified year range and horsepower listed above.