Ignition Coil for Mercruiser Thunderbolt Ignition rplcs 392-805570A2 18-5438

One New Aftermarket Replacement Ignition Coil
Fits All Mercruiser with Thunderbolt Distributor

Replaces Part Number:

Part #’s: 392-7803A4, 392-805570A2
Sierra: 18-5438
GLM: 72115

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