The Mercury Marine serial number 1B553476 is 2 Stroke EFI V-150 EFI (2.5L) engine that’s part of the outboard model 1150413HY. It was produced in 2006. The engine displacement is 153, and the horsepower ranges from 150EFI to 200EFI. The engine belongs to the serial range and catalog [1B227000 & Up] – USA – Cat.# 90-803177006. Related components are listed below.