Ignition Coil For Mercury MerCruiser 339-8M0077473, 339-883778A02, 339-883778A01

Ignition Coil for Mercury MerCruiser

This ignition coil for Mercury MerCruiser engines delivers reliable spark for efficient combustion, compatible with OEM cross-reference numbers 339-8M0077473, 339-883778A02, and 339-883778A01.

Overview

This ignition coil is a critical component for Mercury MerCruiser marine engines, providing the high voltage needed to ignite the fuel-air mixture. Designed as a direct replacement, this ignition coil ensures consistent performance on the water. Rely on this ignition coil to keep your MerCruiser engine running smoothly.

Built For Performance

• Engineered to meet or exceed OEM specifications for reliable ignition
• Epoxy-filled construction resists vibration and moisture common in marine environments
• Precision-wound copper windings for efficient energy transfer
• Corrosion-resistant terminals ensure long-lasting electrical connection
• Direct drop-in design simplifies installation

On-The-Job Use

• Used in marine propulsion systems for boats with Mercury MerCruiser sterndrives
• Ideal for replacing worn or failed ignition coils during routine maintenance
• Works in saltwater and freshwater applications
• Commonly required for inboard and outboard engine ignition systems

Specs At A Glance

Good To Know

Q: Is this ignition coil compatible with all Mercury MerCruiser engines? A: This coil is designed for many MerCruiser models, but always verify fitment using your engine's serial number and the OEM part numbers listed.

Q: What should I do if the coil fails soon after installation? A: Check for underlying issues such as faulty spark plugs, incorrect gap, or voltage irregularities, as these can cause premature coil failure.

Slight variation in finish or dimensions may occur between production runs, so confirm compatibility before ordering.