Evinrude Johnson Outboard 1956 15hp 510168 303794 Cam Bolt Screw Set 15918 Power Steering Hoses but since the numbers don't

but since the numbers don't seem to supersede directly

Tru-Course Steering gear  313235 / 0313235 (1968-1985)

This is basically the earlier version (3-wire square motor) of what became the Yellow Fill Plug Trim pump assemblies

Generally Found on between 1981- Early 1990's

Evinrude Johnson Outboard 1956 15hp 510168 303794 Cam Bolt Screw Set 15918 Power Steering Hoses but since the numbers don'tThis is off a 1956 Evinrude 15hp Fastwin Outboard Model 15918 (S N 03566) 2 Cyl. 2 stroke Boat Motor 15919 Item Condition and Notes: Good working Condition Please Inspect Pictures for condition Freshwater Part Part #'s Included Includes Many Different Parts: 203596 376742 302587 303897 303896 303794 203721 1 Cam: 510168 Head Bolt: 21 486 Yours should look like this one. Please ask if you are unsure if this part will work for you. Please send model and