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Sierra 18-1935-1 Volvo Penta Riser Replaces Volvo part #'s 855380; 855384; 856891; and 856879; etc. Includes mounting gasket. When replacing origin...

Sierra 18-1976-2 Exhaust Manifold Elbow Sierra 4 inch exhaust elbow Fits most Mercruiser V6 & V8 applications Accepts 4 in. inside diameter ex...

Sierra 18-1951-1 Exhaust Manifold Mercruiser GM Small Block Mercruiser log style exhaust manifold Direct replacement manifold fits Mercruiser GM V...

Replaces OEM part #MERCURY MARINE 76325A2For: most late Model 120;140 HP Mercruiser applicationsUse with:Manifold: 18-1955-1; 18-1954-1; 18-1956-1;...

Sierra 18-1973 Exhaust Manifold Riser 2 1/2 in. Exhaust Riser 90 degree down angle Fits most early model 120HP Mercrusier applications Replaces Me...

Sierra 18-1957-2 Manifold Replaces 807078T10 For Most Mercruiser Big Blocks with Center Risers. Fits Either Port or Starboard Sides. Replaces: Mer...

Sierra 18-1952-1 Mercruiser GM V6 Exhaust Manifold For Mercruiser V6 Engines. Fits Both Port or Starboard Sides. Mercruiser exhaust manifold Direc...

Sierra 18-1953-2 Mercruiser V8 Exhaust Manifold For Mercruiser GM Small Block V8 engines with center riser. Fits most Mercruiser (6m) small blocks ...

Sierra 18-1952-3P MerCruiser 4.3L Exhaust Manifold Kit Mercruiser exhaust manifold Direct replacement manifold fits Mercruiser GM V6 229 and 262 c...

Sierra 18-1958-1 Exhaust Manifold Mercruiser Port Side V8 Ford Small Block Fits MCM/MIE Ford V-8 Engines (1977 & older) This manifold replaces ...

Sierra 18-1962-1 Exhaust Manifold Mercruiser Starboard Side V8 Ford Small Block Mercruiser Starboard Side V8 Ford Small Block Exhaust Manifold Fit...

Sierra 18-1970-2 Exhaust Manifold Elbow Sierra exhaust elbow Fits Mercruiser GM 185; 200; 205; 228; 230; 260; 330; 340; and 898 model engines For ...

Sierra 18-1956-3 Exhaust Manifold Mercruiser Manifold Replaces Sierra 18-1956-1; 18-1956-2 Interchange: Barr: MC 1 99798 Mercruiser Stern Drive: ...

Sierra 18-1960-1 Exhaust Manifold Mercruiser Inline 6 Cylinder Mercruiser Inline 6 Cylinder Exhaust/Intake Manifold Supplied with mounting package...

Sierra 18-1952-4P Exhaust Manifold Kit 4.3L V6 Fits Mercruiser GM V6 Raw/Fresh water engines. Not for Dry-Joint exhaust applications. Features: MAD...

MerCruiser 5.0L/5.7L Small Block Exhaust Manifold Kit   Complete exhaust manifold and riser set for Mercruiser small block GM V8 engines. Kit Inclu...