Features:Higher grade of electric components,direct replacement to your unit,Plug-and-play and easy installation. Mercury Mariner CDI Unit Switch Box Power Pack 20HP 25HP. P/N: 18495A30 – Lincolnshire Marine Switch Box CDI ALL-CARB For Mercury Force Switch Box Power Pack CDI 19052A1 19052A2 19052A3 Outboard Switch Box Cdi Switch Box Power Pack 855713 A3 Outboard Motor Power Switch Box Ignition Pack For Mariner 6... Part Number:19052A1 19052A2 19052A3 19052A5 19052A6 19052A8 Share this: Part Name: Switch Box CDI Power Pack Manufactring Part Number: Mercury 19052A8, 19052A6, 19052A5, 19052A3, 19052A2, 19052A1 Application: For Mercury Mariner 1991-1999 45-60 HP 3 cylinder outboards Part Number:19052A1 19052A2 19052A3 19052A5 19052A6 19052A8 Replace Part Number:18-5791, 9-25108, 114-9052 Application: Compatible With 1991-1999 45-60 HP 3 cylinder outboards that use one of the following part numbers Package includes:1Pack of Switch Box CDI Note:Please be sure to check your part or model number to ensure this is the correct switch box for your unit