The Mercury Marine serial number 1C304657 is 4 Stroke 40 EFI (4 CYL.)(4-STROKE) engine that’s part of the outboard model 1A60453BZ. It was produced during the years 2006 and 2012. The engine displacement s are either 45.6 or 60.8, and the horsepower ranges from 30EFI, 40EFI, 50EFI, 60, to 60EFI. The engine belongs to the serial range and catalog [1C050252 THRU 1C453839] – USA – Cat.# 90-883875008. Related components are listed below.