SIERRA SWITCH BOX MERCU 18-5775-1

Enhanced Spark Efficiency: Delivers high-voltage performance for quick and reliable engine starts Stores and rapidly discharges high-voltage to the ignition coil for a strong, reliable spark Provides efficient and precise ignition timing for optimal engine performance Marine-Grade Durability: Built to withstand harsh marine environments, including exposure to moisture and corrosion Direct OEM Compatibility: Replacement for a variety of Mercury engine models, ensuring a precise fit and seamless installation OEM matched wire colors for easy identification during installation Reliable Construction: High-quality materials and advanced engineering ensure long-lasting, dependable performance Interchange: CDI 114-7778 Chrysler/Force/US Marine 332-7778A12 Mallory 9-25100 Mercury Marine 332-5524A1 Mercury Marine 332-7778A1 Mercury Marine 332-7778A12 Mercury Marine 332-7778A3 Mercury Marine 332-7778A6 Mercury Marine 332-7778A7 Mercury Marine 332-7778A9 Mercury Marine F749301 Mercury Marine F7778A9