I came across this website after ordering my tilt motor that I have not received yet. One says "power tilt" motor Part# mal9-18600 the other says trim/tilt motor part# mest-1081M. I have no trim, just tilt. I ordered the MEST-1081M. Did I order the right one? I have 1980 omc 140hp stringer 400. The pics look like they are idetical.