Find Mercury, Mariner and MerCruiser engine information through a serial number lookup. You can find your engine’s year, displacement, horsepower and components and parts through a simple serial number search.
Find Mercury Outboard Serial Number
You can locate the engine serial number on the starboard side of the engine on the transom bracket. The number will start with a 0 or 1, then a letter (eg. A, C, D, T) then 6 numbers.
Find Mariner Outboards Serial Number
For Mariner, the serial number will be on the top outside edge of the clamp bracket, or on top of the swivel bracket on either the port or starboard side.
Find MerCruiser Serial Number
For engines, the MerCruiser serial number could be in a couple of places; either near the starter, by the flywheel housing, or on the rocker arm or flame arrestor cover. For sterndrives, the serial number is located on the upper drive shaft housing (starboard side or on the back of the housing).