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Quicksilver 8M0054588 Ignition Coil for MerCruiser MPI Sterndrive & Inboard Engines ECM 555

Manufacturer

Quicksilver

<p>Since 1950, Quicksilver has been delivering premium marine parts, accessories, and lubricants that set the standard for quality and performance on the water. As the premier supplier of Mercury Marine original-equipment parts and accessories, Quicksilver occupies a unique position in the marine aftermarket industry—it's the only marine brand manufactured and recommended by an original-equipment manufacturer.</p> <h3>Engineering Excellence Backed by Mercury Marine</h3> <p>What sets Quicksilver apart from other aftermarket brands is its direct connection to Mercury Marine's engineering expertise. No aftermarket company comes close to Quicksilver's level of research and design, and literally millions of hours have been spent on fired-engine testing and analysis. This rigorous development process ensures that every component meets the exacting standards required for marine environments, where reliability isn't just a preference—it's essential.</p> <p>Quicksilver offers the widest range of premium replacement parts and lubricants for Mercury engines and drives in the marine industry, while their expertise makes Quicksilver aftermarket parts and lubricants outstanding choices to service most major marine engine brands. Whether you're maintaining a Mercury, Yamaha, Honda, or Suzuki outboard, Quicksilver provides OEM-quality solutions that fit and function like the original components.</p> <h3>Comprehensive Product Range for Every Marine Application</h3> <p>From critical propulsion components to routine maintenance items, Quicksilver covers the full spectrum of marine parts needs. Their <a href="/200836-quicksilver-propellers-quicksilver-7456">propeller selection</a> represents decades of hydrodynamic research, offering precision-engineered designs that maximize thrust, fuel efficiency, and handling across different hull configurations and engine combinations.</p> <p>For fuel system reliability, <a href="/200446-fuel-pumps-kitscarburetor-kits-quicksilver-7456">Quicksilver fuel pumps and carburetor kits</a> deliver consistent performance even in demanding marine conditions where ethanol-blended fuels and temperature extremes can compromise inferior components. The brand's <a href="/200835-quicksilver-manifoldsriserselbows-quicksilver-7456">exhaust manifolds, risers, and elbows</a> are engineered specifically to handle the corrosive marine environment, featuring materials and coatings that resist saltwater degradation.</p> <p>Cooling system maintenance becomes straightforward with <a href="/2208-engine-water-pump-quicksilver-7456">Quicksilver water pumps</a> and impeller kits designed for easy installation and reliable operation. Regular impeller replacement is one of the most critical preventive maintenance tasks for any marine engine, and Quicksilver kits include all necessary gaskets and components for professional-grade results.</p> <p>The brand's <a href="/200382-external-engine-parts-quicksilver-7456">external engine parts</a> portfolio ensures that boat owners and marine technicians can source everything from mounting hardware to trim system components with confidence in fit and durability.</p> <h3>Quality You Can Trust</h3> <p>Quicksilver has earned a loyal following by providing the highest quality products for more than 60 years, and consumers consider it one of the most trusted brands in the markets it serves. With over 40,000 parts across 12 product lines, Quicksilver products can be found throughout the world, supporting recreational boaters, commercial operators, and marine service professionals alike.</p> <p>This commitment to quality extends beyond parts to include specialized marine lubricants, fuel additives, and maintenance products formulated specifically for the unique demands of marine engines. When you choose Quicksilver, you're buying performance, protection, and peace of mind—qualities that matter when you're miles from shore or simply want to maximize your time on the water.</p>

Part Number

8M0054588
07/15/2036 8:05 PM
Sale Price

$364.80

In Stock (10+)

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Usually delivered within 2 days

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No Hassle Returns

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Fitment guaranteed

Fitment guaranteed

Product Details

The Quicksilver 8M0054588 is an OEM-specification ignition coil designed for MerCruiser sterndrive and inboard MPI engines, covering 4.3L, 5.0L, and 6.2L displacements equipped with ECM 555 engine control modules. Engineered to meet Mercury Marine original equipment manufacturer standards, this coil delivers consistent, reliable spark output to keep your engine running smoothly on the water.

Built specifically for marine use, this ignition coil is not a generic adaptation — it is purpose-built for MerCruiser MPI applications, ensuring a precise fit and dependable performance season after season. This coil applies to model year 2001 and newer engines with serial numbers 0M300000 through 2A455878. Always consult your service or parts manual to confirm the correct application for your engine.

Key Features:

  • OEM replacement ignition coil for MerCruiser 4.3L, 5.0L, and 6.2L MPI engines with ECM 555
  • Manufactured to Mercury Marine original equipment specifications for consistent spark output
  • Engineered for marine-grade durability in high-demand, high-humidity environments
  • Direct-fit replacement — no modifications required
  • Applies to model year 2001 and newer (serial No. 0M300000–2A455878)
  • Also referenced as part number 392-8M0054588

Quicksilver is the premier supplier of Mercury Marine OEM replacement parts and accessories, backed by decades of rigorous testing and marine industry expertise. Choosing a genuine Quicksilver ignition coil means choosing a part that was designed, tested, and validated specifically for your engine.

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