Trigger Mercury Mariner 3 Cylinder | CDI 134-8302-3 CDI Electronics Mercury Mariner 3 Cylinder Trigger | 134-8302-3 Replacement trigger for various 75 HP & 90 HP Mercury/Mariner & Force outboard engines. CDI Electronics outboard trigger Fits Mercury, Mariner, and Force 75 HP 3 cylinder engines from 1996 to 1999 with serial number range E138600-0E369299 Fits Mercury, Mariner, and Force 90 HP 3 cylinder engines from 1996 to 1999 with serial number range E138600-E369299 CDI determines the most common causes of component failure and designs their replacements to be better than the original Replaces Mercury 828302A121 and 855745A11