Sierra Marine

      • Sierra 18-3424 Water Pump Base
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        $49.79
        $38.79

        Sierra 18-3424 Water Pump Base Sierra replacement water pump base for Mercury Marine engines. Interchangeable with: GLM 12030 Mallory 9-43300 Mercury Marine 46-77177A1

      • Sierra 18-3646 Thermostat Kit Replaces 807252Q3
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        $36.99
        $26.59

        Sierra 18-3646 Mercruiser 140 Degree Thermostat Kit Sierra high-quality replacement engine parts are designed for OEM specifications. For 1982 & older Ford & GM V-8 engines with standard...

      • Sierra 18-3831 Head Gasket
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        $52.59
        $40.99

        Head Gasket - Special Order est. 10 Days

      • Sierra 18-4017 Piston Kit
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        $65.69
        $47.29

        Sierra 18-4017 Piston Kit Sierra replacement piston kit for Mercury Marine Outboards. Bore Size: 2.97 /.015 O.S. Interchangeable with: Mercury Marine 783-9613A2 783-9613T2

      • CLEARANCE
        Sierra 18-3720 Stainless Steel Locknut Replaces 11-82671013
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        $2.49
        $1.99

        Sierra 18-3720 Locknut Stainless Steel 3/8" for Mercury & Mercruiser Sierra high-quality engine parts are designed to meet OEM specifications. For Mercruiser Stern Drives, Mercury Marine...

      • Sierra 18-3544 Thermostat Replaces 0435491
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        $34.39
        $24.69

        Sierra 18-3544 Johnson & Evinrude Thermostat Sierra high-quality replacement thermostat for Johnson/Evinrude Outboards. Interchangeable with: Johnson/Evinrude...

      • Sierra 18-3760 MerCruiser Alpha One Gen II Bell Housing Bushing Kit Replaces 806036A1
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        $23.09
        $17.99

        Sierra 18-3760 MerCruiser Alpha One Gen II Bell Housing Bushing Kit Replaces 806036A1 This Sierra bell housing bushing kit is designed for use with MerCruiser Alpha One Gen II drives. Application...

      • Sierra 18-5139 Contact Set Replaces 336-4318A2
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        $71.59
        $51.59

        Sierra 18-5139 Mercury Contact Set Replaces 336-4318A2 For 4hp, 4.5hp, 7.5hp, 9.8hp & 20hp motors with conventional ignition systems. (2) 18-5139 = (1) 336-4318A2 Interchangeable...

      • Sierra 18-3074 Impeller
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        $32.29
        $23.29

        Sierra 18-3074 Impeller Interchangeable with: GLM 89880 Mallory 9-45605 Mercury Marine 47-84027M 47-84027T 47-96619M Yamaha Outboard 682-44352-01-00 682-44352-03-00 682-44352-00-00...

      • Sierra 18-4338 Powerhead Gasket Set
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        $95.09
        $89.39

        Powerhead Gasket Set - Special Order est. 10 Days

      • Sierra 18-3245 Impeller
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        $25.89
        $18.59

        Impeller - Special Order est. 10 Days

      • Sierra 18-2943 Cylinder Block Gasket
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        $26.59
        $20.69

        Sierra 18-2943 Cylinder Block Gasket

      • CLEARANCE
        Sierra 18-3891 Head Gasket
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        $85.99
        $61.89

        Head Gasket - Special Order est. 10 Days