Mercury 2197-9772A1 18871T 812986 Bottom Cowl Trim Cover 40hp 4cyl 1989-1996 Heads BUT NOT 52931A2 (which was

BUT NOT 52931A2 (which was the earlier 4-hole version)

Four Cylinder only the base is the same as a 6 cylinder

The cover had been removed from this and the diaphragm looked good upon inspection

Generally Found on Johnson / Evinrude outboards on gearcases 1974-1992 for 9

however this may need to be cleaned or re-built

Mercury 2197-9772A1 18871T 812986 Bottom Cowl Trim Cover 40hp 4cyl 1989-1996 Heads BUT NOT 52931A2 (which wasPart Number(s) Included Mercury 2197 9772A1 Bottom Cowl (Black) Stamped 2197 9772 C Replaced By > 2197 9772T1 Mercury 18871T Trim Cover (Black) Stamped 18871 C Mercury 812986 Fuel Connector Grommet Latch Assembly General Application Compatibility Removed from a 1994 Mercury 40hp 4cyl Two Stroke (Oil Injected) Outboard S N 0D280104 Basically only found on the 30hp Jet & 40hp 4cyl from 1989 1996 in its current configuration Other Details Freshwater Used