Fits Mercruiser Sterndrives and Inboards

• 120 GM 2.5L - 153ci - 4cyl 1983-1989
• 140 GM 3.0L - 181ci - 4cyl 1983-1986
• 175 GM 4.3L - 262ci - 6cyl 1987-1992
• 185 GM 3.8L - 229ci - 6cyl 1983-1984
• 185 GM 4.3L - 262ci - 6cyl 1985-1987
• 2.5L GM 2.5L - 153ci - 4cyl 1987-1989
• 200 GM 5.0L - 305ci - 8cyl 1985-1987
• 205 GM 4.3L - 262ci - 6cyl 1985-1991
• 228 GM 5.0L - 305ci - 8cyl 1982-1984
• 230 GM 5.0L - 305ci - 8cyl 1985-1987
• 260 GM 5.7L - 350ci - 8cyl 1987
• 3.0 / 3.0LX GM 3.0L - 181ci - 4cyl 1987-1995
• 330 GM 7.4L - 454ci - 8cyl 1982-1987
• 350 Mag Alpha GM 5.7L - 350ci - 8cyl 1986-1995
• 350 Mag Alpha (4-BBL) GM 5.7L - 350ci - 8cyl 1996
• 4.3L (2-BBL) GM 4.3L - 262ci - 6cyl 1988-1992
• 4.3L (Gen II) GM 4.3L - 262ci - 6cyl 1992-1996
• 4.3L (Gen II) (2-BBL) GM 4.3L - 262ci - 6cyl 1992-1996
• 4.3LX (4-BBL) GM 4.3L - 262ci - 6cyl 1988-1992
• 4.3LX (Gen II) (4-BBL) GM 4.3L - 262ci - 6cyl 1992-1996
• 454 Mag Alpha GM 7.4L - 454ci - 8cyl 1986-1988
• 454 Mag Bravo GM 7.4L - 454ci - 8cyl 1988-1992
• 454 Mag Bravo (Gen V) GM 7.4L - 454ci - 8cyl 1992-1996
• 454 Mag Bravo (Gen VI) GM 7.4L - 454ci - 8cyl 1996-1997
• 5.0LX GM 5.0L - 305ci - 8cyl 1988-1995
• 5.7L (2-BBL) GM 5.7L - 350ci - 8cyl 1996
• 5.7L Bravo GM 5.7L - 350ci - 8cyl 1988-1995
• 5.7LX (4-BBL) GM 5.7L - 350ci - 8cyl 1996
• 502 Mag Bravo GM 8.2L - 502ci - 8cyl 1990-1992
• 502 Mag Bravo (Gen V) GM 8.2L - 502ci - 8cyl 1992-1993
• 7.4L Bravo GM 7.4L - 454ci - 8cyl 1988-1991
• 7.4L Bravo (Gen V) GM 7.4L - 454ci - 8cyl 1992-1996
• 7.4L Bravo (Gen VI) GM 7.4L - 454ci - 8cyl 1996-1997

• Replaces Mando No. AC 155603
• Replaces Mercury No.s 12449, 19685, 817119, 817119-1, 817119A1, 817119A4, 98555
• Single Pulley
• 3-Wire Hook-up
• Internally regulated
• Neg. Ground
• Ignition protected
• Red Wire is for Sensor
• Purple Wire is for Excitation
• Tachometer lead
• One year warranty