The Mercury Marine serial number 0F784393 is part of the engines – gas model 457B100JS. It was produced during the years 1996 and 1997. The engine displacement is 350, and the horsepower ranges from 5.7L to 5.7LX. The engine belongs to the serial range and catalog 1996 [0F601000 THRU 0K001526] – Cat.# 90-81659696. Related components are listed below.