OEM Mercruiser manifold for 3.0 Liter Engines 1990 and Newer using the "MERCARB" 860235A03
This has a single idle air adjusting screw.
Included with the manifold are: gaskets, pipe plugs, fuel line, mounting hardware and Instructions. Riser mounting flange is square bolt pattern (2-13/16" x 3-1/16" bolt centers).
This replaces older Mercury part #'s 806867A3, 806867A9, 806867A12 and 815560A5, 815560A7.
If you are not 100% sure this is correct please call us with your serial number before buying.