Sierra 18-99397 6 Cylinder Mercury Trigger Replaces CDI 134-6456-18This Sierra power pack is for use with Mercury outboard engines except for Direct Injection Engines.Sierra 18-99397 Trigger Application InformationThis power pack is used in 135,140,150,175,200, & 240HP SportJet 2 Stroke outboard engines built from 2000-2007; except for Direct Injection Engine models.What is the 18-99397 Trigger Interchangeable with? CDI; 134-6456-18; Mercury; 96455A18; 96455T18; Click here for Sierra 18-99397 6 Cylinder Trigger Installation Instructions