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Mercury-Mariner Powerheads Information

In order to provide you with the correct powerhead, the following information is required:

1. Model Number and Serial Number
These numbers are located on the transom bracket of the motor.

2. Engine Cast Number
3 CYL of L# Powerheads: Please provide the cast number for 70, 75, 80, and 90 HP powerheads built between 1987 and 2002. This number is located on the starboard side of the block next to the number 3 CYL. Example: 877 - 8946 - C7

6 CYL, V6 or 3.0 litre Powerheads: Please provide cubic inch (122, 142, or 153) or litre (2.4, 2.5, 3.0). Also provide the cast number. This number located on the starboard side of the block where the two halves of the block come together. Example: 885 - 9811 - C4

Mercury/Mariner Serial Numbers...To Year Models

YEAR SERIAL # YEAR SERIAL # YEAR SERIAL #
1980 55 1990 C2062 2000 G9605
1981 57 1991 C2395 2001 T1785
1982 5944 1992 D0820 2002 T4090
1983 6203 1993 D1373 2003 T5990
1984 6435 1994 D2793 2004 T800750
1985 6616 1995 G09901 2005 T980000
1986 A9046 1996 G2905 2006 1B227000
1987 A9-B1041 1997 G3864    
1988 B2392 1998 G5900    
1989 C1000 1999 G760