The Mercury Marine serial number 0E378163 is 210 CARB M2 JET DRIVE (POWERHEAD) part of themodel S721P520S. It was produced during the years 2000, 2000M, 2001, 2002, 2003, and 2004. The engine displacement is 153, and the horsepower ranges from 210 to M2. The engine belongs to the serial range and catalog [0E373939 THRU 0E426999] – USA – Cat.# 90-804944R1. Related components are listed below.