Engine Parts

Shop The Large Selection Of All Sierra Engine Parts At Rock Bottom Low Prices...Guaranteed at Sportsman's Guide

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  1. Sierra Transom Bellows Kit for OMC Cobra

     
    Buyer's Club $157.49 Non-Member $174.99 Compare at $179.99

    In Stock

  2. Ignitor® Electronic Conversion Kit for 6 Cylinder OMC® and Mercruiser® Engines

     
    Buyer's Club $170.99 Non-Member $189.99

    In Stock

  3. Sierra Marine® Remanufactured Starter

     
    Buyer's Club $199.79 Non-Member $221.99

    In Stock

  4. Ignitor® Electronic Conversion Kit for V8 OMC®, Crusader® and Mercruiser® Engines

     
    Buyer's Club $166.49 Non-Member $184.99

    In Stock

  1. Sierra Marine® Starter for Late - Model 3.0 L I/O Engines

     
    Buyer's Club $213.29 Non-Member $236.99

    In Stock

  2. Sierra® Mercruiser Tilt / Trim Motor, 18 - 6763

     
    Buyer's Club $199.79 Non-Member $221.99 Compare at $237.54

    In Stock

  3. Sierra Marine® Johnson / Evinrude Outboard Starter

     
    Buyer's Club $166.49 Non-Member $184.99 Compare at $194.99

    In Stock

  1. Sierra Marine® Mercruiser Trim Pump Motor

     
    Buyer's Club $218.69 Non-Member $242.99

    In Stock

  2. Sierra Marine® 1978 - 1985 OMC Sterndrive Tilt / Trim Motor AP #1513

     
    Buyer's Club $215.99 Non-Member $239.99

    In Stock

  3. Sierra Marine® Mercury Small Outboard Starter

     
    Buyer's Club $147.59 Non-Member $163.99

    In Stock

  4. Sierra® OMC / Volvo Electric Fuel Pump, 18 - 7331

     
    Buyer's Club $178.19 Non-Member $197.99

    In Stock

  1. Sierra Mercruiser Lower Shift Cable Kit

     
    Buyer's Club $152.99 Non-Member $169.99

    In Stock

  2. Sierra Transom Bellows Kit for Volvo SX

     
    Buyer's Club $173.69 Non-Member $192.99

    In Stock

  3. Sierra Marine® Johnson / Evinrude Outboard Starter

     
    Buyer's Club $215.99 Non-Member $239.99

    In Stock

  4. Sierra Marine® Mercury 35 / 40 / 50 HP Outboard Starter

     
    Buyer's Club $157.49 Non-Member $174.99 Compare at $188.99

    In Stock

  1. Sierra Transom Bellows Kit for Mercruiser

     
    Buyer's Club $167.39 Non-Member $185.99

    In Stock

  2. Sierra Circulating Water Pump Big Block GM Steel Timing Cover

     
    Buyer's Club $179.99 Non-Member $199.99

    In Stock

  3. Sierra Marine® Mercruiser / OMC / Cobra Heavy - Duty Starter

     
    Buyer's Club $214.19 Non-Member $237.99

    In Stock

  4. Sierra Marine® Johnson / Evinrude Outboard Starter

     
    Buyer's Club $215.99 Non-Member $239.99 Compare at $252.99

    In Stock

  1. Sierra Marine® Johnson / Evinrude Tilt / Trim Motor AP #1512

     
    Buyer's Club $217.79 Non-Member $241.99

    In Stock

  2. Sierra Marine® Mercruiser Mando Alternator

     
    Buyer's Club $213.29 Non-Member $236.99

    In Stock

  3. Sierra Marine® Johnson / Evinrude Outboard Starter

     
    Buyer's Club $166.49 Non-Member $184.99 Compare at $194.99

    In Stock

  4. Sierra Transom Bellows Kit for Mercruiser

     
    Buyer's Club $222.29 Non-Member $246.99

    In Stock

  1. Sierra Marine® Mercruiser / OMC / Volvo Starter

     
    Buyer's Club $189.89 Non-Member $210.99

    In Stock

  2. Sierra Marine® Johnson / Evinrude Outboard Starter

     
    Buyer's Club $197.09 Non-Member $218.99

    In Stock

  3. Sierra Mercruiser Lower Shift Cable Kit

     
    Buyer's Club $163.79 Non-Member $181.99

    In Stock

  4. Sierra Marine® Water Separator Kit 3/8" Stainless Steel with Metal Grain Bowl

     
    Buyer's Club $139.49 Non-Member $154.99 Compare at $162.99

    In Stock

  1. Sierra Marine® GM Motors Starter

     
    Buyer's Club $223.19 Non-Member $247.99

    In Stock

  2. Sierra Marine® Mercury V6 Outboard Starter

     
    Buyer's Club $215.99 Non-Member $239.99 Compare at $249.99

    In Stock

  3. Sierra Marine® Water Separator Kit 1/4" Stainless Steel with AquaVue™ Bowl

     
    Buyer's Club $151.19 Non-Member $167.99

    In Stock

  4. Sierra Mercruiser Lower Shift Cable Kit

     
    Buyer's Club $139.49 Non-Member $154.99

    In Stock

  1. Sierra Marine® Johnson / Evinrude Outboard Starter

     
    Buyer's Club $188.99 Non-Member $209.99

    In Stock

  2. Sierra Marine® Mercury 3 cylinder Outboard Starter

     
    Buyer's Club $201.59 Non-Member $223.99

    In Stock

  3. Sierra Marine® Mercury In Line 4 and 6 Cylinder Outboard Starter

     
    Buyer's Club $211.49 Non-Member $234.99 Compare at $239.99

    In Stock

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Related Products

Sierra Marine® Fuel Filter 10 - Micron Element for Racor 660RRAC02; Replaces Racor S3232

Item # WX2-160687

Buyer's Club $24.29 Non-Member $26.99 Compare at $31.99

In Stock

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Sierra Marine® Replacement Elements.

If you treat your boat right, it'll treat you the same way.  

Yours for LESS right here!

Please Note: Once items have contained gas, kerosene, butane, diesel, or oil they cannot be returned to The Sportsman's Guide.

Sierra Marine® 10 - Micron Replacement Filter

Item # WX2-160690

Buyer's Club $24.29 Non-Member $26.99 Compare at $30.99

In Stock

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Sierra Marine® 10 - Micron Replacement Filter

Change your boat's filter often to keep the fuel nice and clean! This baby replaces OMC model #771839, Racor Model #S3214 and Mercury model #35-809099.

Please Note: Once items have contained gas, kerosene, butane, diesel, or oil they cannot be returned to The Sportsman's Guide.

Sierra® Thermostat Kit for Mercruiser® 340 HP 1981 - 1987, 7.4 Bravo / 350 Mag Engines 1988 - 1995

Item # WX2-167162

Buyer's Club $17.99 Non-Member $19.99

In Stock

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Sierra® Thermostat Kit for Mercruiser® 340 HP Engines 1981 - 1987, 7.4 Bravo / 350 Mag Engines 1988 - 1995.

Proper thermostat operation is key in getting peak engine performance and maximum fuel efficiency!

This marine-grade Kit will withstand the rigors of "ugly" brackish and saltwater. Sierra® Thermostat Kit (part no. 18-3668) replaces your original thermostat, o ring, and gasket.

Kit contains:
  • Thermostat (part no. 18-3551)-replaces O.E.M. part no. 59137
  • Thermostat Cover Gasket (part no. 18-2552)-replaces O.E.M. part no. 27-33179-2
  • Thermostat Cover Gasket (part no. 18-2553)- replaces O.E.M. part no. 27-47510
  • Thermostat Cover Gasket (part no. 18-2554)- replaces O.E.M. part no. 27-41812
  • O Ring (part no. 18-7173)- replaces O.E.M. part no. 25-30224.

Order up top-quality replacement parts for bottom dollar ONLINE today!

1981-1987, 7.4 Bravo / 350 Mag Engines 1988-1995

Sierra® Thermostat Kit for OMC® Sterndrive 165 - 260HP / Cobra® 4.3 - 5.7L Engines, 1969 - 1992

Item # WX2-167163

Buyer's Club $20.69 Non-Member $22.99

In Stock

Add to Wishlist

Sierra® Thermostat Kit for OMC® Sterndrive 165 - 260HP / Cobra® 4.3 - 5.7L Engines, 1969 - 1992.

Proper thermostat operation is key in getting peak engine performance and maximum fuel efficiency!

This marine-grade Kit will withstand the rigors of "ugly" brackish and saltwater. Sierra® Thermostat Kit (part no. 18-3653) replaces your original thermostat, thermostat gaskets, and manifold gasket.

Kit contains:
  • Thermostat (part no. 18-3554)-replaces O.E.M. part no. 383307
  • Manifold Gasket (part no. 18-2858)-replaces O.E.M. part no. 314809
  • Thermostat Gasket (part no. 18-2917)-replaces O.E.M. part no. 3701777 (GM)
  • Thermostat Gasket (part no. 18-2947)-replaces O.E.M. part no. 310913.

Order up top-quality replacement parts for bottom dollar ONLINE today!

260HP / Cobra® 4.3-5.7L Engines, 1969-1992

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