CDI Switch Box Power Pack Replacement for Mercury Mariner Outboard 30-125HP 4-Cylinder,Fits 30HP Jet & 40-125HP Models 1981-1997 Replaces 332-5772A1 A2 A3 A4 A5 A7 114-5772 18-5881

["Replacement for Mercury 332-5772 Series：This switch box power pack is a direct aftermarket replacement for Mercury/Mariner 4-cylinder outboard engines.","OEM part numbers: 332-5772A1, 332-5772A2, 332-5772A3, 332-5772A4, 332-5772A5, 332-5772A7, 114-5772, and 18-5881. Solves spark failure, intermittent ignition, and cylinder misfire issues.","Wide Compatibility for 4-Cylinder Mercury Outboards:Designed for Mercury/Mariner 4-cylinder outboard motors from 30HP to 125HP, including Jet models. Compatible with:30HP Jet (1989–1997),40HP / 40HP Jet (1989–1997),45HP (1981–1989),50HP (1976–1985),80HP / 80HP Jet (1978–1983, 1994–1997),85HP (1976–1977),100HP (1988–1996),115HP (1989–1997),125HP (1994–1996).Please verify your engine's serial number and year before purchasing.","Restores Ignition Performance:Effectively resolves common ignition issues such as weak spark, no spark, or intermittent firing. Ensures all four cylinders fire correctly, helping restore engine smoothness, throttle response, and overall reliability.","Plug-and-Play Installation:All wire locations are clearly marked for a straightforward, hassle-free installation. Designed as a direct-fit replacement, no modifications or special tools are required. Ideal for DIY mechanics and marine service professionals.","About Service:The CARMOCAR customer service period is 1 year.Note: Please check the display pictures and OEM to see before purchase.If there is any problem in use, Please contact us at any time, we will respond within 24 hours."]