Sierra Marine

      • Sierra 18-8310 Water Pump Base Seal
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        $12.49
        $9.99

        Sierra 18-8310 Water Pump Base Seal Sierra replacement water pump base seal for Mercury Marine engines. O.D.: 0.828" Shaft Size: 0.453" Width: 0.172" Interchangeable with: Mercury...

      • Sierra 18-8549 Hardware Kit [Manifold Bolts]
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        $54.59
        $36.59

        Sierra 18-8549 Hardware Kit [Manifold Bolts] Sierra aftermarket manifold bolts hardware kit. Use with 18-1955-1 manifold.

      • Sierra 18-8998-1 Engine Flusher - Rectangular Cups
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        $15.79
        $13.49

        Sierra 18-8998-1 Engine Flusher - Rectangular Cups Sierra engine flusher fits most 120 hp and up models.  

      • Sierra 18-7150 O-Ring
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        $3.39
        $2.59

        Sierra 18-7150 O-Ring I.D.: 0.225" or 5.7mm Width: 0.115" or 2.9mm Interchangeable with: Johnson/Evinrude Outboard 303598 331380 334913 OMC Stern Drive 303598

      • Sierra 18-7408 O-Ring
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        $6.79
        $5.79

        Sierra 18-7408 O-Ring Sierra high-quality engine parts are designed to meet OEM specifications. For use with OMC Stern Drives and Johnson/Evinrude Outboards. I.D.: 1.060" Width: 0...

      • Sierra 18-7474 O-Ring
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        $3.99
        $3.39

        Sierra 18-7474 O-Ring Sierra replacement o-ring for Mercruiser Stern Drives. I.D.: 1.239" Width: 0.070" Interchangeable with: GLM 84026 Mercruiser Stern Drive 25-94288

      • Sierra 18-8308 Shift Shaft Seal
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        $6.79
        $5.99

        Shift Shaft Seal - Special Order est. 10 Days

      • Sierra 18-7775 Fuel Water Separator Bracket
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        $62.49
        $44.99

        Sierra 18-7775 Fuel Water Separator Bracket Sierra aluminum fuel water separator bracket. Thread Size: 3/8" Interchangeable with: Mallory 9-37861

      • Sierra 18-7149 O-Ring
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        $1.99
        $1.59

        O-Ring - Special Order est. 10 Days

      • Sierra 18-7407 O-Ring
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        $10.99
        $8.39

        Sierra 18-7407 O-Ring I.D.: 4.125" or 104.8mm Width: 0.135" or 3.4mm Interchangeable with: GLM 82430 Johnson/Evinrude Outboard 911700 OMC Stern Drive 3852531 911700 Volvo Penta 3852531

      • Sierra 18-7711 Fuel Filter (Inline)
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        $18.49
        $13.39

        Fuel Filter (Inline) - Special Order est. 10 Days

      • Sierra 18-70937 Hose Cylinder Head Port
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        $26.19
        $18.79

        Sierra 18-70937 Hose Cylinder Head Port Sierra replacement hose cylinder head port by Johnson/Evinrude Outboards. Interchangeable with: Johnson/Evinrude Outboard 340976 321723

      • Sierra 18-7112 O-Ring
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        $3.39
        $2.59

        Sierra 18-7112 O-Ring I.D.: 1.170" or 29.7mm Width: 0.135" or 3.4mm Interchangeable with: GLM 82170 Johnson/Evinrude Outboard 302493