OMC 0982111 323640 Stringer Hydro-Mechanical 400 Lower Gearcase Housing 78-81 Gimbal Parts the A2 Model as the

the A2 Model as the A5 had that tube sticking out of it which covered the yoke shaft

Trim switch has been tested & works

5/8" inside hole diameter

so if any of the other parts are good

OMC 0982111 323640 Stringer Hydro-Mechanical 400 Lower Gearcase Housing 78-81 Gimbal Parts the A2 Model as thePart Number(s) Included 982111 0982111 OMC Stringer 400 Hydro Mechanical Gearcase Lower Unit Empty Bearing Assembly Housing (1979 1981) Replaces 981865 0981865 (1978 Models) Stamped 323640 General Application Compatibility This would have been used with the SMALLER OMC Stringer 4cyl Hydro Mechanical Shift 400 Series Lower units 1978 1981 Not found on the V6 & V8 "800" Series Drives. The easy way to tell between a mechanical shift & hyrdo mechanical