Mercury Outboard Direct Reversing Control Wire Harness Plug Box Throttle Shifter Transom Plate but your serial number is

but your serial number is located toward the rear of the engine block casting on a stamped plate

used on Mark 15 20 25 25E 30 30E KH7 WG7 (and possibly others)

You should be able to see the part number on the plate you are replacing

Roughly 14" in Diameter

Mercury Outboard Direct Reversing Control Wire Harness Plug Box Throttle Shifter Transom Plate but your serial number isItem Details This is the Control Box for Mercury Outboard 1960's Direct Reversing 800 80hp 6cyl & 700 70hp & 600 60hp Assembly part number would have been 29699A15 Electric Remote Control Assembly This item is UNTESTED but Probably should be working if all the parts are here, everything moves. Looks like the back plate is missing. The pilot light might be probably is broken on this. 15ft Wire Harness in very good condition. Wire harness Part number is