If your Mercury or Mariner outboard is misfiring, running rough, or just not starting like it should, a bad ignition coil might be the culprit.
This replacement coil from realray fits a huge range of Mercury and Mariner outboards from 6 horsepower all the way up to 225HP.

So whether you've got a little kicker motor or a big offshore engine, this could be your fix.\n\nIt's brand new, still in its original packaging.
The manufacturer part number is 339-832757-A4, and it also replaces 339-832757A4, 18-5186, and 339-7370A13.

Just check your old part against those numbers and you're golden.

The brand is realray, and the UPC is 715668399891 if you want to look it up.\n\nThis is one of those parts you don't think about until it fails—but when it does, having a reliable replacement gets you back on the water fast.

Solid construction, correct fitment, and a fair price.

If your boat's motor needs some ignition love, grab this coil and get back to fishing or cruising.