To assure that you get the correct parts for your application it is important that you have your serial number.
Find Your Serial Number
Mercruiser
Engine SN: The engine SN is located near the starter, by the flywheel housing or on the valve cover or flame arrestor.
Transom Plate: The SN is inside the boat or on the upper swivel pin.
Stern Drive: The SN is located on the upper driveshaft housing.
