Mercury – Ignition Coil | Engine Ignition System | Brass & Stainless Steel | 8M0044991Mercury Ignition Coil Engine Ignition System Brass & Stainless Steel 8M0044991 Overview Ask any seasoned boater what gives them the most peace of mind out on open water, and theyll probably tell you the same thing: a strong, predictable ignition. When you turn that key, you want the engine to fire without hesitationno stumbles, no guessing. That steady confidence is exactly what this Mercury Marine part delivers. Its the kind of component you install