Quicksilver 863657A1 Ignition Coil Wire for MerCruiser Engines

The Quicksilver 863657A1 is a genuine OEM ignition coil wire designed for MerCruiser sterndrive and inboard marine engines. This factory-quality replacement wire connects the distributor cap to the ignition coil, ensuring reliable spark delivery and optimal engine performance.

Key Features:

• Genuine Mercury Marine OEM part, not aftermarket
• Direct replacement for Mercury/MerCruiser part number 84-863657A1
• Precision-engineered for proper fit and function
• Designed to withstand harsh marine environments
• Features flat cap design for 2002 and newer applications

Applications:

• MerCruiser 4.3L MPI V6 engines
• MerCruiser 5.0L, 5.7L, and 6.2L MPI V8 engines
• MerCruiser sterndrive and inboard engines with ECM 555 systems
• Various MerCruiser Alpha, Bravo, and MIE configurations

This coil wire is an essential component of the ignition system's distributor and ignition components. When ignition wires show signs of wear, cracking, or deterioration, replacing them with genuine Quicksilver parts ensures reliable starting and smooth engine operation. Part of the complete ignition cable system that works alongside spark plug wires and distributor components.