Mercury Outboard 30hp 40hp Gearcase Gear Housing Drive Prop Shaft 1682-821306T6 Controls 1978 1979 1980 1981 1982

1978 1979 1980 1981 1982 1983 1984 1985 1986 1987 1988 1989 1990 (and possibly others)

From the diagrams most of the basic parts for the listed engines were the same and visually you should be able to have an idea if it seems right

THESE ARE STOCK PHOTOS AND YOU WILL RECIEVE ONE IN EQUAL OR BETTER CONDITION THAN THE ONE PICTURED HERE

GM couplers look just like this

Mercury Outboard 30hp 40hp Gearcase Gear Housing Drive Prop Shaft 1682-821306T6 Controls 1978 1979 1980 1981 1982Removed from a Mercury Outboard 40hp Inline 2 cylinder Two 2 Stroke Oil Injected Part #'s Gear Housing Lower Unit Gearcase: 1682 821306T 6 1682 821306 C2 Long Shaft 2. 00: 1 Gear Ratio Shaft mesures 21 5 8" from Top of impeller housing (Make Sure Yours looks just like this one and drive shaft measures the same. Also has the same style shift shaft. There are many variations of this lower unit. Part # will be the same with a different suffix at the end)