I have a 1976 thunderbolt 850 85h outboard motor. I am looking for a tilt & trim system. can any body tell me if this one will work? The Mercury Original Part Number for the Trim Unit is ME-PT-01-R. The main unit has "7 H 31 A 39" stamped on it. There are also earmarks on the back "0 3 TK 29...
