The Mercury Marine serial number 0D431089 is part of the engines – gas model 474B110CS. It was produced during the years 1988, 1989, 1990, and 1991. The engine displacement is 454, and the horsepower is 7.4L. The engine belongs to the serial range and catalog 1988-1991 [0B771113 THRU 0D603117] – Cat.# 90-19013. Related components are listed below.