Boat Maintenance

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

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  1. Sierra Mercruiser Outdrive Gasket Set

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

    In Stock

  2. 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

  3. Sierra® Quart Pump Suzuki Lower Unit Fill Adapter

     
    Buyer's Club $7.19 Non-Member $7.99 Compare at $10.45

    In Stock

  4. Sierra® Premium Lower Unit Gear Lube

    5 stars
    (2)
    Buyer's Club $5.39 Non-Member $5.99 Compare at $9.65

    In Stock

  1. Sierra Mercruiser Outdrive Gasket Set

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

    In Stock

  2. Sierra® Mercruiser Lower Gearcase Drain Plug

     
    Buyer's Club $4.49 Non-Member $4.99 Compare at $5.89

    In Stock

  3. Sierra® Mercruiser Upper Gearcase Drain Plug

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

    In Stock

  4. Sierra® Mercruiser Lower Gearcase Drain Plug Gasket

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

    In Stock

  1. Sierra® Fuel Filter for Mercury Engines

    5 stars
    (1)
    Buyer's Club $4.49 Non-Member $4.99 Compare at $5.49

    In Stock

  2. Sierra® Mercruiser Upper Gearcase Drain Plug Gasket

     
    Buyer's Club $5.39 Non-Member $5.99

    In Stock

  3. Sierra Premium Marine Bearing Grease

     
    Buyer's Club $6.74 Non-Member $7.49 Compare at $7.99

    In Stock

  4. 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

  1. Sierra Marine® Fuel / Water Separating Filter Long Replaces Mercury 35 - 807172, 35 - 802893Q

     
    Buyer's Club $6.29 Non-Member $6.99 Compare at $9.50

    In Stock

  2. Sierra® 160° Thermostat Kit for Mercruiser® 175 / 4.3L / 4.3LX Engines, 1993 - 1995

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

    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

  4. Sierra® Thermostat Kit for Mercruiser® 140 - 3.0L Engines, 1968 - 1989

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

    In Stock

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

     
    Buyer's Club $15.29 Non-Member $16.99

    In Stock

  2. Sierra Marine® Fuel / Water Separating Filter Replaces Mercury 35 - 807172, 35 - 802893Q

    5 stars
    (1)
    Buyer's Club $6.29 Non-Member $6.99 Compare at $8.99

    In Stock

  3. 9' Sierra® Bilge Pump Hose

    4 stars
    (1)
    Buyer's Club $12.59 Non-Member $13.99 Compare at $14.99

    In Stock

  4. Sierra International® Oil Filter Wrench, 3 1/4" diameter

     
    Buyer's Club $15.29 Non-Member $16.99

    In Stock

  1. Sierra® 10W - 30 4 - Stroke Marine Outboard Engine Oil

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

    In Stock

  2. 12 ozs. Sierra® Aerosol Fogging Oil

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

    In Stock

  3. Sierra™ Gasoline Stabilizer

    4 stars
    (2)
    Buyer's Club $6.29 Non-Member $6.99

    In Stock

  1. Sierra Marine® 4 - Cycle Mercury Outboard Oil Filter

     
    Buyer's Club $5.84 Non-Member $6.49 Compare at $8.99

    In Stock

  2. Sierra Mercruiser TR, TRS Outdrive Gasket Set

     
    Buyer's Club $8.99 Non-Member $9.99

    In Stock

  3. Sierra Heavy Duty Grease Gun Flex Hose

     
    Buyer's Club $13.49 Non-Member $14.99

    In Stock

  4. Sierra Heavy Duty Motor Flusher

     
    Buyer's Club $11.69 Non-Member $12.99 Compare at $14.41

    In Stock

  1. 12 oz. Sierra® Aerosol Lithium Grease

     
    Buyer's Club $12.59 Non-Member $13.99 Compare at $18.30

    In Stock

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

     
    Buyer's Club $17.99 Non-Member $19.99

    In Stock

  3. Sierra Marine® 4 - Cycle Yamaha Outboard Oil Filter

     
    Buyer's Club $9.44 Non-Member $10.49 Compare at $12.99

    In Stock

  4. Sierra® Synthetic Gear Lube

    5 stars
    (1)
    Buyer's Club $13.49 Non-Member $14.99 Compare at $15.99

    In Stock

  1. 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

  2. Sierra Impeller Kit for Honda, Replaces 06192 - ZV7 - 000

     
    Buyer's Club $17.09 Non-Member $18.99 Compare at $26.49

    In Stock

  3. Sierra® Thermostat Kit for Mercruiser® 170, 180, and 190 HP Engines, 1985 - 1987

     
    Buyer's Club $15.74 Non-Member $17.49 Compare at $21.50

    In Stock

  4. Sierra® Delco® Tune - up Kit for 4 Cylinder EST Mercruiser

     
    Buyer's Club $15.29 Non-Member $16.99

    In Stock

  1. Sierra® 10 - oz. Lower Unit Fill Tube, Standard

     
    Buyer's Club $17.09 Non-Member $18.99

    In Stock

  2. Sierra® Type C Gear Lube

    5 stars
    (1)
    Buyer's Club $6.74 Non-Member $7.49 Compare at $9.99

    In Stock

  3. Sierra® Volvo Trim Relay, 18 - 5705D

     
    Buyer's Club $16.19 Non-Member $17.99

    In Stock

  4. Sierra Marine® Oil Filter for V - 6 GM

     
    Buyer's Club $4.49 Non-Member $4.99 Compare at $6.99

    In Stock

  1. Sierra® SAE 30 Full Synthetic Marine Engine Oil

     
    Buyer's Club $8.09 Non-Member $8.99

    In Stock

  2. 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

  3. Sierra® 25W - 40 4 - Stroke Marine Stern Drive Engine Oil

     
    Buyer's Club $6.74 Non-Member $7.49

    In Stock

  4. Sierra Marine® 21 - Micron Replacement Filter

     
    Buyer's Club $7.64 Non-Member $8.49 Compare at $9.99

    In Stock

  1. Sierra Volvo SX Outdrive Gasket Set

     
    Buyer's Club $3.59 Non-Member $3.99 Compare at $4.44

    In Stock

  2. 10 ozs. Sierra® Power Trim and Tilt

     
    Buyer's Club $6.29 Non-Member $6.99 Compare at $10.49

    In Stock

  3. Sierra® Quart Pump Suzuki Lower Unit Fill Adapter

     
    Buyer's Club $8.09 Non-Member $8.99

    In Stock

  4. Sierra Spline Grease

     
    Buyer's Club $8.54 Non-Member $9.49 Compare at $9.99

    In Stock

1-48 of 74
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Related Products

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 Marine® Mercruiser / OMC / Cobra Heavy - Duty Starter

Item # WX2-160592

Buyer's Club $214.19 Non-Member $237.99

In Stock

Add to Wishlist

Sierra Marine® Mercruiser / OMC / Cobra Heavy - Duty Starter... a ram - tough Starter!

Install this rock-solid Starter for on-the-water reliability. You'll never have to worry about whether you're boat will turn over after a day of fishing at the lake.

More:
  • Mercruiser and OMC 1986-1992 V6, V8 GM, 1990-1993 OMC King Cobra
  • For small block GM V6 and V8 engines with 14 1/ 4 " flywheel and bottom mount
  • Offset bolt patter
  • For standard rotation engines
  • Replaces Mercruiser 50-12177A2 50-99418A2, OMC / Cobra 984456, 986505

Get yours ONLINE today!


Sierra Marine® Fuel / Water Separating Kit; 3/8" Aluminum (tall); Replaces Yamaha - MAR - SEPAR - AT - OR; Micron Rating 10

Item # WX2-160662

Buyer's Club $45.89 Non-Member $50.99

In Stock

Add to Wishlist

Sierra Marine® Fuel / Water Separating Kits... gives you the total package for your fuel - cleaning needs!

Proper maintenance is the key to a smooth-running boat, and these Fuel / Water Separating Filters with Brackets are the way to get the job done. As a matter of fact, these Sierra Filters remove 98.8% of emulsified water from your gasoline! You get a filter and a bracket with each kit.

  • Kit Type: 3/8" Aluminum (tall)
  • Replaces: Yamaha - MAR-SEPAR-AT-OR
  • Micron Rating: 10

Order ONLINE Today!

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

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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