OMC Exhaust Manifolds

7461
      • Sierra 18-2850-1 Manifold End Cap Gasket Replaces 0908935
        $7.99
        $5.49

        Sierra 18-2850-1 Manifold End Cap Gasket Replaces 0908935 Sierra 18-2850-1 Manifold End Cap Gasket is a replacement part for OMC Stern Drive. Sierra aftermarket parts are met to meet or exceed OEM requirements. Used with Manifold 18-1904...

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      • Sierra 18-8534 Exhaust Elbow Mounting Kit
        $18.49
        $12.99

        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...

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      • EMP 26-01644 OMC Cap
        $11.03
        $9.19

        EMP 26-01644 OMC Cap This cap is intended for use with OMC & Cobra engines and meets all OEM requirements. Cap Application: For OMC, Stringer, Cobra & Cobra SX 5.0-8.2L V8 185-280HP...

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      • Sierra 18-2861-1 Manifold End Cap Gasket Replaces 0311121
        $11.49
        $10.49

        Sierra 18-2861-1 Manifold End Cap Gasket for Older OMC 4 Cyl Sierra replacement manifold end cap gasket for OMC Stern Drives. For: 1977 140 HP 1974-76 140 HP 1973 100,120,140 HP 1973 165 HP 1972 100,120 HP 1965-71 120 HP Interchangeable...

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      • Sierra 18-2860 Manifold End Cap Gasket
        $1.49
        $0.84

        Sierra 18-2860 Manifold End Cap Gasket for OMC Sierra high-quality engine parts are designed to meet OEM specifications. For use on OMC Stern Drives. Interchangeable with: Barr OMC47311130 GLM 33340 OMC Stern Drive 311130

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      • CLEARANCE
        Sierra 18-4257 Pipe Plug
        $1.99
        $1.49

        Sierra 18-4257 Pipe Plug Sierra high-quality replacement pipe plug for use.  Material: Black Steel Thread Size: 1/4" Note: Pipe sealant with Teflon is recommended for use on plug threads. Use with: 56507 Loctite Pipe Sealant (PST 6ml w/...

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      • Sierra 18-1876 Riser
        $83.99
        $58.99

        Sierra 18-1876 Riser Sierra replacement riser fits 170 (1974), 175 (1975-76), 190 (1974-76), 235 (1975-76). Use with: 18-1904 Manifold 18-2850 Manifold End Cap Gasket Interchangeable with: OMC Stern Drives 980617 Special Order Item

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      • Sierra 18-1991 Elbow Adapter
        $122.49
        $85.99

        Sierra 18-1991 30° Exhaust Elbow Adapter Sierra high-quality exhaust elbow adapter for use with 3" I.D. Exhaust Hose. 30° Use with: 18-1999 Elbow Interchangeable with: Barr 2000089P

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      • Sierra 18-4256 Pipe Plug
        $2.49
        $1.99

        Sierra 18-4256 Pipe Plug 56507 Pipe Sealant with Teflon is recommended for use on plug threads

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      • Sierra 18-2883-1 Manifold End Cap Gasket
        $2.99
        $2.49

        Sierra 18-2883-1 Manifold End Cap Gasket Sierra replacement manifold end cap gasket for OMC Stern Drives. Sierra replacement parts are manufactured to meet or exceed OEM requirements. Interchangeable with: Barr OMC47907775 GLM 32990 OMC...

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      • Sierra 18-8216 Brass Hose Fitting
        $33.99
        $23.99

        Sierra 18-8216 Brass Hose Fitting Sierra replacement brass hose fitting for OMC and Chrysler engines. Fits: Chrysler Small Block V8 (318-360ci), Big block V8 (383-440) Fits: OMC - In-Line 6 cylinders Material: Brass Thread Size: 3/4" - 14 NPT x 1"...

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      OMC Sterndrive Exhaust Manifolds are in stock now.