MerCruiser 140 hp 3.0 L exhaust intake manifold 806867A 8 this manifold is in excellent fresh water used only condition no corrosion or deterioration like you would find on a salt water or brackish warm water used manifold. For use with MerCruiser carburetor. Replaces all numbers listed here Mercury p/n 99798A 3 SS-> 99798A 9 SS-> 816329A 3 SS-> 99798A16 SS-> 99798A18 SS-> 806867A 2 SS-> 806867A 8