Boat Maintenance

Shop Sportsman's Guide Large Selection Of All Sierra Boat Maintenance At Great Low Prices...Guaranteed!

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  1. Sierra Marine® Replacement Filter

     
    Buyer's Club $7.64 Non-Member $8.49 Compare at $10.99

    In Stock

  1. Sierra Marine® Fuel / Water Separating Filter Replaces Yamaha MAR - FUELF - IL - TR

     
    Buyer's Club $15.29 Non-Member $16.99 Compare at $19.99

    In Stock

  2. Sierra Premium Marine Bearing Grease, 3 - oz.

    4 stars
    (1)
    Buyer's Club $7.19 Non-Member $7.99 Compare at $8.99

    In Stock

  3. Sierra® "Blue" Premium TC - W3 2 - Cycle Oil

    5 stars
    (1)
    Buyer's Club $4.49 Non-Member $4.99

    In Stock

  1. 12 ozs. Sierra® Aerosol Fogging Oil

    4 stars
    (1)
    Buyer's Club $8.99 Non-Member $9.99 Compare at $12.13

    In Stock

  2. Sierra® OMC / Volvo Electric Fuel Pump, 18 - 7330

     
    Buyer's Club $229.49 Non-Member $254.99

    In Stock

  3. Sierra International® Quart Oil Pump

     
    Buyer's Club $14.39 Non-Member $15.99

    In Stock

  4. Sierra SeaStar Hydraulic Hose Kit

     
    Buyer's Club $100.79 Non-Member $111.99

    In Stock

  1. Sierra® Safe - T Quick Connect Rotary Steering Package

    5 stars
    (1)
    Buyer's Club $148.49 Non-Member $164.99 Compare at $169.99

    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® OMC / Volvo Electric Fuel Pump, 18 - 7331

     
    Buyer's Club $178.19 Non-Member $197.99

    In Stock

  4. Sierra International® 5 - Gallon Lube Pump

     
    Buyer's Club $104.39 Non-Member $115.99

    In Stock

  1. Sierra® 160° Thermostat Kit for Mercruiser® 470 and 485 Engines, 1976 - 1982

     
    Buyer's Club $24.29 Non-Member $26.99

    In Stock

  2. Sierra Impeller Kit for Yamaha, Replaces 66T - W0078 - 00 - 00

     
    Buyer's Club $62.09 Non-Member $68.99

    In Stock

  3. Sierra® Mercruiser Lower Gearcase Drain Plug Gasket

     
    Buyer's Club $1.79 Non-Member $1.99 Compare at $2.99

    In Stock

  4. Sierra Impeller Kit for Volvo Penta, Replaces 876120 / AQV6 - AQV8 engines

     
    Buyer's Club $47.69 Non-Member $52.99

    In Stock

  1. Sierra® Rack and Pinion Replacement Steering System

     
    Buyer's Club $143.99 Non-Member $159.99 Compare at $164.45

    In Stock

  2. Sierra Marine® Johnson / Evinrude Outboard Starter

     
    Buyer's Club $215.99 Non-Member $239.99

    In Stock

  3. Sierra® Mercury / Mariner Tilt / Trim Motor, 18 - 6763

     
    Buyer's Club $667.79 Non-Member $741.99

    In Stock

  1. Sierra Mercruiser Lower Shift Cable Kit

     
    Buyer's Club $163.79 Non-Member $181.99

    In Stock

  2. Sierra Mercruiser Outdrive Gasket Set

     
    Buyer's Club $4.94 Non-Member $5.49 Compare at $5.99

    In Stock

  3. Sierra Mercruiser / OMC / Volvo U - Joint

     
    Buyer's Club $40.49 Non-Member $44.99 Compare at $49.97

    In Stock

  4. 12 oz. Sierra® Aerosol Carbon Cleaner

     
    Buyer's Club $10.34 Non-Member $11.49 Compare at $15.70

    In Stock

  1. Sierra® Volvo Trim Relay, 18 - 5700

     
    Buyer's Club $25.19 Non-Member $27.99

    In Stock

  2. Sierra International® Lower Unit Fill Tubes, Standard

     
    Buyer's Club $17.09 Non-Member $18.99

    In Stock

  3. Sierra Mercruiser Gimbal Bearing

     
    Buyer's Club $87.29 Non-Member $96.99

    In Stock

  4. Sierra Impeller Kit for Yamaha, Replaces 61A - W0078 - 01 - 00

     
    Buyer's Club $55.79 Non-Member $61.99

    In Stock

  1. Sierra® Mercruiser Upper Gearcase Drain Plug

     
    Buyer's Club $2.69 Non-Member $2.99 Compare at $3.99

    In Stock

  2. Sierra® Champion 3 Spoke Steering Wheel

     
    Buyer's Club $57.59 Non-Member $63.99

    In Stock

  3. Sierra® Hi - Performance Synthetic Blend Lower Unit Gear Lube

    5 stars
    (1)
    Buyer's Club $8.09 Non-Member $8.99 Compare at $16.99

    In Stock

  4. Sierra® 160° Thermostat Kit for Mercruiser® 5.0 and 5.7L Engines, 1988 - 1995

     
    Buyer's Club $17.99 Non-Member $19.99 Compare at $24.99

    In Stock

  1. Sierra Impeller Kit for Honda, Replaces 06192 - 881 - C00

     
    Buyer's Club $33.29 Non-Member $36.99

    In Stock

  2. Sierra® No - Feedback™ 4.2 Rotary Steering Package, Single

     
    Buyer's Club $197.99 Non-Member $219.99 Compare at $223.98

    In Stock

  3. Sierra Marine® Mercury (4 cylinder) Outboard Starter

     
    Buyer's Club $235.79 Non-Member $261.99

    In Stock

  4. Sierra Marine® Mercury / Mariner Starter and Power Trim, Mercruiser Step Up Starter and Power Trim Solenoid

     
    Buyer's Club $17.09 Non-Member $18.99 Compare at $19.99

    In Stock

  1. Sierra Marine® Fuel / Water Separator Kit Bonus Pack; 1/4" Aluminum; Micron Rating 21

     
    Buyer's Club $33.29 Non-Member $36.99 Compare at $46.99

    In Stock

  2. Sierra Marine® 4 - Cycle Suzuki Outboard Oil Filter

     
    Buyer's Club $17.99 Non-Member $19.99

    In Stock

  3. Sierra® Mercury 3 - wire, Single - Ram Tilt / Trim Motor, 18 - 6775

     
    Buyer's Club $519.29 Non-Member $576.99

    In Stock

  4. Sierra International® Oil Filter Wrench, 2 9/16" diameter

     
    Buyer's Club $15.29 Non-Member $16.99

    In Stock

  1. Sierra OMC / Cobra Lower Shift Cable Kit

     
    Buyer's Club $103.49 Non-Member $114.99 Compare at $119.99

    In Stock

  2. Sierra Mercruiser Outdrive Gasket Set

     
    Buyer's Club $5.84 Non-Member $6.49 Compare at $6.99

    In Stock

  3. Sierra Mercruiser Alpha Gen II / Bravo U - Joint

     
    Buyer's Club $89.99 Non-Member $99.99 Compare at $109.99

    In Stock

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Related Products

Sierra Marine® Fuel / Water Separator Aluminum Bracket Replaces 3/8" Yamaha MAR - FLTHD - AL - 12 or Mercury 89876A3

Item # WX2-160651

Buyer's Club $42.29 Non-Member $46.99

In Stock

Add to Wishlist

Sierra Marine® Fuel / Water Separating Filter Brackets

Choose between a stainless steel or aluminum Bracket for your water separator. Stainless steel model replaces your 1/ 4 " or 3/ 8 " Yamaha MAR-FLTHD-SS-12 bracket. Aluminum model replaces your 1/ 4 " or 3/ 8 " Yamaha MAR-FLTHD-AL-12 or Mercury 89876A3 bracket.

Pick yours up ONLINE today!

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

Bracket Replaces 1 / 4 " Yamaha MAR-FLTHD-SS-12

Bracket Replaces 3 / 8 " Yamaha MAR-FLTHD-SS-12

Bracket Replaces 1 / 4 " Yamaha MAR-FLTHD-AL-12

or Mercury 89876A3

Bracket Replaces 3 / 8 " Yamaha MAR-FLTHD-AL-12

or Mercury 89876A3

Sierra® Thermostat Kit for Mercruiser® Ford® V8 225, 233, and 255 HP Engines, 1973 - 1977

Item # WX2-167156

Buyer's Club $18.89 Non-Member $20.99

In Stock

Add to Wishlist

Sierra® Thermostat Kit for Mercruiser® Ford® V8 225, 233, and 255 HP Engines, 1973 - 1977.

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. 18-3651) replaces your original thermostat (O.E.M. 807252Q3).

Kit contains:
  • Thermostat (part no. 18-3551)- replaces O.E.M. part no. 59137
  • Thermostat Cover Gasket (part no. 18-2554)- replaces O.E.M. part no. 27-90556
  • Thermostat Cover Gasket (part no. 18-2553)-replaces O.E.M. part no. 27-47510
  • Thermostat Cover Gasket (part no. 18-2834)- replaces O.E.M. part no. 27-60208
  • Thermostat Cover Gasket (part no. 18-2844)-replaces O.E.M. part no. 27-48818-1.

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

V8 225, 233, and 255 HP Engines, 1973-1977

Sierra® Thermostat Kit for Mercruiser® 4.3 - 5.7L Engines, 2002 - 2007

Item # WX2-167151

Buyer's Club $31.49 Non-Member $34.99

In Stock

Add to Wishlist

Sierra® Thermostat Kit for Mercruiser® 4.3 - 5.7L Engines, 2002 - 2007.

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

This marine-grade Kit will withstand the rigors of "ugly" brackish and saltwater. Sierra® Thermostat Kit (part no. 18-3647) replaces O.E.M. thermostat kit no. 807252Q5.

Kit contains:
  • Thermostat (part no. 18-3649)- replaces O.E.M. part no. 807252-2
  • Thermostat Cover Gasket (part no. 18-2844)- replaces O.E.M. part no. 27-48818-1
  • 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
  • O Ring (part no. 18-7173)- replaces O.E.M. part no. 27-30224
  • Thermostat Housing Gasket (part no. 18-2917)- replaces O.E.M. 27-53045-1, 27-33918.


Sierra Marine® Fuel / Water Separator Kit Bonus Pack; 1/4" Aluminum; Micron Rating 21

Item # WX2-160672

Buyer's Club $44.09 Non-Member $48.99

In Stock

Add to Wishlist

Sierra Marine® Fuel / Water Separator Kit Bonus Packs.

Take care of your boat with this super Fuel / Water Separator Bonus Pack! You get 2 filters and a bracket for one low price!

  • Kit Type: 1/4" Aluminum
  • Micron Rating: 21
Order ONLINE Now!

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

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