MerCruiser 470 3.7L 4cyl Intake Manifold 76328A2 89953A2 1976-1989 170hp 165hp Exhaust Tubes From a AQ-280 Sterndrive paired

From a AQ-280 Sterndrive paired with an AQ130D 4-cylinder

It's probably in your best interest to just check and see what number you have stamped on your lever & go from there

Basically this was the earliest style from that year range

MCM 470 165hp 170hp 3

Removed from a 1977 OMC Stringer Ford 302 5

MerCruiser 470 3.7L 4cyl Intake Manifold 76328A2 89953A2 1976-1989 170hp 165hp Exhaust Tubes From a AQ-280 Sterndrive pairedItem Details Removed from a 1985 1986 MerCruiser Sterndrive 470 S N A560005 Freshwater used part, overall good condition, minor pitting on the mating surface on the outermost edges of the flange where there are holes in the mating gasket to block the water passage (this is normal) This item has had its surfaces have been cleaned up and is ready to be installed. The Part number stamped on this manifold is 76328 which equivalent and the same as 89953A2