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Sierra

Shop Sierra Marine Ignition Coils at U.S. Boating & Marine Supplies for dependable marine engine ignition components and replacement parts. Designed for specified applications, Sierra ignition coils help convert electrical power into the high voltage required to fire spark plugs, supporting reliable engine starting, consistent spark delivery, and smooth operation in compatible marine ignition systems.  Whether you're servicing an outboard motor, inboard engine, or sterndrive power system, replacing a faulty marine ignition coil can help address ignition-related problems such as hard starting, engine misfires, rough running, and loss of engine performance. A failing ignition coil may contribute to these symptoms, although other ignition, fuel, or electrical issues can cause similar problems.

Shop Marine Ignition Coils & Replacement Parts

Explore Sierra marine ignition coils and ignition system replacement components for select Mercury, Mariner, MerCruiser, OMC, Johnson, Evinrude, and other compatible marine engines. Find replacement parts for marine engine tune-ups, ignition troubleshooting, electrical system repairs, and routine boat engine maintenance.  When shopping for marine ignition coils, compare the original equipment (OEM) part number, Sierra replacement part number, engine manufacturer, model, horsepower, and model year. Correct application matching is essential because ignition coils can vary by engine family, ignition system design, electrical specifications, and connector configuration.

Choose marine-grade replacement components appropriate for your specific engine and installation. Always follow the engine manufacturer's service procedures and verify compatibility before ordering.

Shop Sierra Marine Ignition Coils Online at U.S. Boating & Marine Supplies for your boat engine repair, ignition system service, and marine electrical parts needs. Need help finding the correct ignition coil for your engine? Call 1-800-609-9260 for assistance with part identification and application fitment.

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