MerCruiser 816329A3 816978C One Piece Exhaust Manifold 4cyl 140hp 3.0L 1990-1994 Harmonic Balancer 25) (Stainless) (x4)

25) (Stainless) (x4)

please looks at yours and do your own research as well)

but generally I don’t inspect the too closely as I already assume that the buyer is going to replace them when performing a rebuild

This is for  a OMC Stringer Power Steering Unit Early 80's V6 V8 Engines 400 800

7L 350 260hp models (the models with the 3" exhaust risers) This part goes from the 3" riser to the top of the 4" to 3" tube elbow

MerCruiser 816329A3 816978C One Piece Exhaust Manifold 4cyl 140hp 3.0L 1990-1994 Harmonic Balancer 25) (Stainless) (x4)Part Number(s) Included 816329A3 Intake Exhaust Manifold Assembly One Piece Construction (No End Caps on this) Stamped 816978C ***Make sure to use a 27 96429 Mounting Gasket with this manifold*** General Application Compatibility This seems to only have been found on MerCruiser 3. 0L Models 1990 1994 It appears the 3. 0LX models used a different Exhaust manifold. You should check the casting number on your manifold to make sure it matches Other