Switch Box Kit Mercury Mariner | CDI 114-2986K 1 CDI Electronics Mercury Mariner Switch Box Kit | 114-2986K 1 High performance replacement ignition pack & trigger housing for various 50 HP to 150 HP Mercury/Mariner 4 & 6 cylinder outboard engines. CDI Electronics outboard ignition pack kit Fits Mercury and Mariner 4 cylinder 50,65,80 & 85 HP battery ignition engines from 1967 to 1975 Fits Mercury and Mariner inline 6 cylinder 90,100,115,125,135,140, & 150 HP battery ignition engines from 1967 to 1979 Kit includes 114-2986 switch box, 134-3736 trigger, 4 & 6 cylinder discs, spacer, and bearings Switch box and ignition coil are attached to a mounting plate for easy installation Shaft and rotor are not included CDI determines the most common causes of component failure and designs their replacements to be better than the original Replaces Mercury 337-4406, 337-4411, and 393-3736A78