MERCURY / MARINER 3-CYL LOOPER APPLICATIONS (1987-1999):
45 JET / 50 / 55 / 60HP 3-Cyl Looper (1987-1999)
65 JET / 70 / 75 / 80 / 90HP 3-Cyl Looper (1987-1999)
Bore: 2.955" / Short Advance Arm
OEM PART NUMBERS:
Mercury: 99021A3 / 99021A5 / 99021A7 / 99021A8
CDI: 134-9021-3 / Sierra: 18-5797
CDI TRIGGER - 1987-1999 Mercury Mariner 3-Cyl Looper 99021A3 99021A7 99021A8 134-9021-3:
New CDI trigger for Mercury/Mariner 3-cyl looper 45-90HP (1987-1999). Replaces 99021A3, 99021A5, 99021A7, 99021A8, 134-9021-3.
⚠️ IMPORTANT: Verify OEM part number before ordering.