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CDI 339-7452A3 Switch Box For Mercury 1980-1987 2 Cylinder 18 20 25 35 40 HP US
$60.99
Sale price
$60.99
Regular price
In Stock
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I reached out for some replacement head bolts and they responded quickly with a few questions and cautionary information and is sending me some bolts. Great customer service! Thanks
Edward H. — Verified customer
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.
Important: This is an aftermarket replacement part sold by Northline Parts. It is not made by the original equipment manufacturer unless specifically stated. Brand names, model names, and part numbers are used only to identify compatibility. Please compare your original part, photos, and fitment details before ordering.
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Service was professional and easy to work with. They kept me updated on my order and recommended a different part when the one I originally picked wasn’t going to work. Everything showed up as expected and the process was smooth overall.