Mercury 78277A1 73436 Exhaust Manifold Cover Baffle Plate 75hp 80hp 85hp Carburetor Stamped 389718 (which is also

Stamped 389718 (which is also a common late 80's / early 90's stamped part number and these are interchangeable with those stamped 387818)

Yours should look just like this

Possibly Relevant years

Bravo I / II / III / X / XR / XZ

84-79147A1 Power Trim Tilt Pump Connecting Harness (Green Lead is 5-1/2" / Has SMALL RING TERMINALS / NO Inline Fuse)

Mercury 78277A1 73436 Exhaust Manifold Cover Baffle Plate 75hp 80hp 85hp Carburetor Stamped 389718 (which is alsoPart Number(s) Included Mercury 78277A1 Exhaust Manifold Cover Stamped 78276 Mercury 73436 Baffle Plate Stamped 73435 General Application Compatibility Removed from a 1981 Mercury Mariner 80hp "800" 4cyl Outboard (Serial Number 5894097) Found on 1976 1977 "850" 85hp 4cyl Models Found on 1978 1983 "800" 80hp 4cyl Models Found on 1984 1988 "750" 75hp 4cyl Models Other Details Freshwater Used Parts Purchase with confidence!