Mercruiser - Manifolds

Sierra 18-1952-1 Mercruiser GM V6 Exhaust Manifold

Replaces: Mercruiser Inboard/Outboard #99746A8 Fits most 4.3L (262 CID) V-6 applications.


Sierra 18-1953-2 Mercruiser GM Small Block Exhaus...

Exhaust Manifold For Most Mercruiser Small Block V8 Engines With Center Risers.


Sierra 18-1951-1 Exhaust Manifold Mercruiser GM S...

Starboard exhaust manifold fits Mercruiser GM 5.0L & 5.7L marine engines with end riser.


Sierra 18-1957-2 Exhaust Manifold Mercruiser

Fits most Mercruiser (GM) V-8 big blocks with center riser, 454 Models 330, 340 & 7.4L, Port...


Sierra 18-1958-1 Exhaust Manifold Mercruiser Port...

Mercruiser Marine Exhaust Manifold Ford V8 5.0 5.8 Port Side.


Sierra 18-1962-1 Exhaust Manifold Mercruiser Star...

Mercruiser Starboard Side V8 Ford Small Block Exhaust Manifold


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