Sierra 18-99408 4 Cyl Mercury Trigger Replaces CDI 134-9021-4
Sierra 18-99408 Trigger Application Information
This power pack is used 80 JET, 100, 115, & 125HP Mercury Outboard engines built between 1988-1997.
What is the 18-99408 Trigger Interchangeable with?
- CDI
- 134-9021-4
- Mercury
- 99021A6
Click here for Sierra 18-99408 4 Cylinder Trigger Installation Instructions