New exhaust/intake Manifold and riser for Mercruiser 3.0 and 3.0LX for 1990 and newer engines.

Manifold fits 3.0 Liter engines using the "MERCARB" ,This has a single idle air adjusting screw. 

Riser mounting flange is square bolt pattern (2-13/16" x 3-1/16" bolt centers).


Includes one manifold, gaskets, bolts/studs, and water hose fitting.

Check your part number before ordering!



MANIFOLD Replaces OEM part numbers: 860235A03, 806867A12, 806867A9, 806867A3, 806867A8, 806867A2, 99798A18, 816329A3, 860235, 816329A3


RISER REPLACES 12076a1, 12076A2, 95864a2