same day shipping clock icon
free shipping box icon
price tag icon

OMC Exhaust Manifolds

      • Sierra 18-4218 Drain Tap Replaces 22-16951Q1
        List Price: $9.99
        Starting At: $6.55

        Sierra 18-4218 Drain Tap for Mercruiser, Volvo, OMC Sierra high-quality engine parts are designed to meet OEM specifications. Used with most OEM Manifolds. Fits Mercruiser cylinder blocks & exhaust manifolds Material: Brass Size: 1/4"...

        Add to Cart
      • Sierra 18-2833 Exhaust Manifold Elbow Gasket Replaces 27-997772
        List Price: $2.99
        Starting At: $2.22

        Sierra 18-2833 Mercruiser Exhaust Elbow Gasket Sierra high-quality engine parts are designed to meet OEM specifications.  Fits MCM 120 (1993 & newer), 140/3.0L, 470, 165 in-line 6 cyl., GM V-8 small block (1982 & older) Fits Ford...

        Add to Cart
      • Exhaust Manifold Gasket , Mercury - Mercruiser 27-33395
        List Price: $9.52
        Starting At: $7.93

        Exhaust Manifold Gasket , Mercury - Mercruiser 27-33395 Fits MCM/MIE GM V-8 (283, 305, 350,  and 377 CID) engines Replaces: GLM 31100 Mallory 9-61401 Felpro 17420 OMC 3852468 Redline RL0872 Sierra 18-0872

        Add to Cart
      • Sierra 18-0549 Plug Off Cap Replaces 3852476
        List Price: $10.98
        Starting At: $7.84

        Sierra 18-0549 Plug Off Cap 1" I.D. Sierra high quality engine parts are designed to meet OEM specifications. For V8 Stern Drives and Inboards 1977 - present. Interchangeable with: GLM 22290 Johnson/Evinrude...

        Add to Cart
      • Sierra 18-0550 Plug Off Cap Replaces 0764799
        List Price: $10.49
        Starting At: $6.95

        Sierra 18-0550 OMC Exhaust Manifold Plug Off Cap 1.25" I.D. Sierra high-quality engine parts are designed to meet OEM specifications. For V8 Stern Drives and Inboards 1977 - present. I.D.: 1-1/4" Interchangeable...

        Add to Cart
      • Sierra 18-1997-1 Exhaust Manifold
        List Price: $281.49
        Starting At: $162.95

        Universal Exhaust Manifold with Mounting Package by Sierra For Port & Starboard Sides. Universal Center Riser Manifold. Fits: Chriscraft 283, 302, 307, and 350 CID Engines. Crusader 283 and 327 CID Engines thru 1964; 305, 307 and 350 CID Engines 1965...

        Add to Cart
      • Sierra 18-1998-1 Exhaust Manifold
        List Price: $292.49
        Starting At: $204.49

        Exhaust Manifold - Port & Starboard for Ford V8 Engines by Sierra Fits Port and Starboard Sides. Universal Center Riser Manifold. Use With: Exhaust Manifold Gasket: 18-0183 Exhaust Manifold Gasket Set: 18-0603 Exhaust Manifold Mounting Kit: 18-8538...

        Add to Cart
      • Sierra 18-4263 Pipe Plug Replaces 22-32802
        List Price: $4.49
        Starting At: $3.02

        Sierra 18-4263 Pipe Plug 1/8"-27 NPT Sierra replacement pipe plug. Thread Size: 1/8" - 27 NPT Material:...

        Add to Cart
      • Sierra 18-0418 Exhaust Manifold Mounting Gasket Replaces 27-46820
        List Price: $14.49
        Starting At: $10.20

        Sierra 18-0418 Exhaust Manifold Mounting Gasket Sierra high-quality engine parts are designed to meet OEM specifications. Fits MCM/MIE GM V-8 (454, 482, 496, 502 & 504 cid) engines. Interchangeable...

        Add to Cart
      • Sierra 18-0604 Exhaust Manifold Gasket Set
        List Price: $28.99
        Starting At: $18.50

        Barr Exhaust Manifold Gasket Set by Sierra For GM 305/350 CID Engines and Barr Exhaust Systems. Use with Manifold 18-1997-1.

        Add to Cart
      • Sierra 18-1999 Manifold Elbow
        List Price: $186.49
        Starting At: $130.49

        Sierra 18-1999 Exhaust Elbow Sierra cast iron replacement exhaust elbow; fits 3" I.D. exhaust hose. Replaces: Barr 200082,20-0082 Mallory 9-40810 GLM 56110 Osco 992,CRR-1 Use with...

        Add to Cart
      • Sierra 18-4009 Manifold End Plate Replaces 60252A2
        List Price: $79.49
        Starting At: $55.65

        Sierra 18-4009 Manifold End Plate for Mercruiser & OMC Sterndrives Sierra high-quality engine parts are designed to meet OEM specifications. For Use With: 18-1950-1 Manifold 18-1951-1 Manifold 18-1958-1 Manifold 18-1960-1 Manifold 18-1962-1...

        Add to Cart
      • Sierra 18-1903 Exhaust Manifold Replaces 0912442
        List Price: $287.99
        Starting At: $158.39

        Sierra 18-1903 OMC Port Exhaust Manifold Fits most GM V8 Small Blocks with End Riser. Use with: 18-1921 Elbow 18-2902 Exhaust Manifold Gasket 18-2902-9 Exhaust Manifold Gasket 18-2949 Exhaust Manifold Gasket 18-8502 Exhaust Manifold Mounting...

        Add to Cart
      • Sierra 18-1902 Manifold Replaces 0912441
        List Price: $287.99
        Starting At: $168.29

        Sierra 18-1902 OMC Starboard Exhaust Manifold Sierra high-quality engine parts are designed to meet OEM specifications. Fits most GM Small Block (B8) 305-350 cu.in. (1979-1989) (Starboard). Use With: 18-2949 Exhaust Manifold Gasket 18-8502 Exhaust...

        Add to Cart
      • Sierra 18-2902-1 Exhaust Manifold Gasket Replaces 3852468
        List Price: $10.99
        Starting At: $8.53

        Sierra 18-2902-1 Volvo Exhaust Manifold Gasket Use with manifolds SIE-18-1997-1, SIE-18-1986-1, SIE-18-1902 and SIE-18-1903. Replaces: Volvo - 3852468 OMC - 0909314  

        Add to Cart
      • Sierra 18-1986-1 Exhaust Manifold Replaces 3857723
        List Price: $353.99
        Starting At: $247.99

        Exhaust Manifold for Volvo, OMC For 5.0L & 5.7L GM Cast Iron (New Style) Engines. Used on both Port and Starboard sides. Replaces: OMC & Volvo 3857723, 3847501, 3857579, 3852374-2,3852374 Mallory 9-40902 Barr OMC-1-914035 GLM 51430 ...

        Add to Cart
      • Sierra 18-1992-1 Manifold Elbow Adapter
        List Price: $81.99
        Starting At: $56.13

        Sierra 18-1992-1 Manifold Elbow Adapter Sierra high-quality engine parts are designed to meet OEM specifications. For 3" I.D. Exhaust Hose. 80° Interchangeable with: Barr 200087P Mallory 9-40120

        Add to Cart
      • Sierra 18-1907 Riser
        List Price: $185.99
        Starting At: $124.45

        Sierra 18-1907 Riser for Ford Small Block V-8 Sierra Cast Iron Riser for Ford Small Block V-8 302-351 cu. in. Use with: 18-1997-1: Manifold 18-1998-1: Manifold 18-4364: Exhaust Elbow Mounting Package (Open) 18-8535: Exhaust Elbow Mounting Kit...

        Add to Cart
      • 27-99757
        List Price: $9.99
        Starting At: $8.36

        Exhaust Manifold Gasket, Mercury - Mercruiser 27-99757 Fits GM V-6 engines Replaces: GLM 32170 Mallory 9-61421 OMC 3853412 Sierra 18-2909 Volvo 3853412

        Add to Cart
      • Sierra 18-8534 Exhaust Elbow Mounting Kit
        List Price: $14.99
        Starting At: $9.17

        Sierra 18-8534 Exhaust Elbow Mounting Kit Sierra replacement exhaust elbow mounting kit for use on OMC GM Small Block engines. OMC GM Small Block V8 305-350 cu. in. (1979-1989) & multi application for Ford & GM risers Use with: 18-1921...

        Add to Cart

      OMC Sterndrive Exhaust Manifolds are in stock now.