This EMP ignition coil is designed for use with Mercury Mariner engines ranging from 6-300 HP. It is manufactured in Germany and comes with a manufacturer part number of 300-08309 339-832757A4, 18-5186. The coil is a crucial component for ensuring proper ignition and fuel efficiency in your engine. It is compatible with a variety of Mercury Mariner models and is a reliable choice for any boat owner.