CDI Unit/Switch Box for Mercury Outboard Boat Engines – 2 Cylinder

Restore the performance and reliability of your Mercury 2-cylinder outboard engine with this high-quality CDI Unit/Switch Box. Designed to regulate ignition timing and deliver consistent electrical pulses, this unit ensures smooth engine starts, stable performance, and optimal fuel efficiency. Whether you're replacing a faulty CDI unit or performing routine maintenance, this switch box provides OEM-level performance to keep your boat running at peak efficiency. Built for durability and precision, it offers reliable ignition control, minimizing misfires and improving overall engine function. \n \nReplaces OEM part numbers 114-5713, 855713A 3, 855713A 4. \n \nFits the following engines: \n1997-2006 Mercury 2-Stroke Outboard Engines (6HP, 8HP, 9.9HP, 10HP, 15HP, 20HP & 25HP) with a 4-magnet flywheel. \n \nDirect OEM Replacement for Precise Fit and Easy Installation: This CDI Unit/Switch Box is designed as a direct replacement for Mercury outboard engines, ensuring a seamless fit and hassle-free installation. It meets or exceeds OEM specifications, making it an ideal solution for restoring ignition system functionality without requiring modifications or adjustments. Simply install, connect, and enjoy smooth, reliable ignition performance. \n \nImproves Ignition Timing and Engine Efficiency: A faulty CDI unit can lead to engine misfires, rough idling, and poor fuel economy. This replacement unit ensures precise ignition timing, delivering consistent electrical pulses to the spark plugs. The result is better fuel combustion, improved throttle response, and enhanced overall efficiency, reducing unnecessary fuel consumption and extending engine life. \n \nReliable Performance for Mercury 2-Cylinder 2-Stroke Engines: Specifically designed for 1997-2006 Mercury outboard engines, this CDI unit is compatible with models ranging from 6HP to 25HP that use a 4-magnet flywheel. It provides stable voltage output, ensuring your ignition system operates efficiently across different speeds and conditions. Whether you're trolling, cruising, or at full throttle, this unit guarantees consistent ignition control. \n \nDurable, Marine-Grade Construction for Long-Lasting Use: Built to withstand harsh marine environments, this switch box features high-quality internal components that resist moisture, corrosion, and extreme temperatures. The fully encapsulated design protects sensitive electronics from water intrusion, vibration, and wear, ensuring long-term reliability in both freshwater and saltwater conditions. \n \nRestores Smooth Engine Starts and Reduces Misfires: If you're experiencing difficulty starting your engine, intermittent power loss, or erratic performance, a failing CDI unit could be the cause. Replacing your old switch box with this unit restores instant ignition response, eliminating hard starts, weak sparks, and performance inconsistencies, so you can enjoy a smoother and more dependable boating experience. \n \nPlug-and-Play Installation with Pre-Wired Connectors: This CDI unit is designed for quick and easy installation, featuring pre-wired connectors that fit directly into your existing system. With no need for complex modifications, the plug-and-play design allows you to replace your old switch box in minutes, minimizing downtime and getting you back on the water faster. \n \nCost-Effective Alternative to Expensive OEM Units: Get OEM-level quality and performance at a fraction of the dealership price. This high-performance CDI unit offers the same reliable ignition control, fuel efficiency, and durability as original Mercury parts, making it an excellent choice for budget-conscious boat owners who refuse to compromise on quality. \n \nThe CDI Unit/Switch Box for Mercury Outboard Boat Engines – 2 Cylinder is a reliable, high-quality replacement designed to restore smooth ignition performance, improve fuel efficiency, and eliminate engine misfires. With its durable construction, plug-and-play installation, and precise compatibility with Mercury 2-stroke engines, this unit ensures long-lasting, trouble-free operation on the water. Upgrade your ignition system today and enjoy consistent, worry-free performance.