CDI Switch Box 339-7452A17 for Mercury Outboard 2 Stroke 6HP 8HP 9.9HP 15HP 20HP 25HP 35HP
CDI Switch Box for Engine,Marine
Engine,Marine CDI Switch Box
CDI Switch Box compatible with Engine,Marine
 CDI Switch Box 
FridayParts CDI Switch Box

CDI Switch Box 339-7452A17 for Mercury Outboard 2 Stroke 6HP 8HP 9.9HP 15HP 20HP 25HP 35HP

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US$41.90
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Product Details

CDI Switch Box 339-7452A17 for Mercury Outboard 2 Stroke 6HP 8HP 9.9HP 15HP 20HP 25HP 35HP

Part Name: Capacitor Discharge Ignition Switch Box

Replacement Part Number: 339-7452A17, 3397452A17

Applications:
Fit For Mercury Outboard: 6HP, 8HP, 9.9HP, 15HP, 20HP, 25HP, 35HP

Product Highlights
Brand: FridayParts
Compatible Engine Brand: For Mercury
Engine Number: 15HP, 20HP, 25HP, 6HP, 8HP, 35HP, 9.9HP
Replacement Part Number: 339-7452A17
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Top Reviews

user
andy0901
Reviewed on 16/07/2026
Nice and heavy duty

Wasn't sure what to expect ordering online, but this fit perfect right out of the box. Took me about an hour to put on myself. Works flawlessly. Easy five stars.

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info.akmobileservices
Reviewed on 18/06/2026
Outboard fires right up

Bolted this CDI box on my Mercury 15 hp tiller and it turns over first pull. Idles steady in the barrel at the dock.

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