Boat Maintenance

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

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  1. Sierra™ Gasoline Stabilizer

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

    In Stock

  2. Sierra Marine® 4 - Cycle Johnson / Evinrude and Suzuki Outboard Oil Filter

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

    In Stock

  3. Sierra® Thunderbolt HEI Tune - up Kit for V8 Mercruiser® Engines

     
    Buyer's Club $31.49 Non-Member $34.99 Compare at $41.88

    In Stock

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

     
    Buyer's Club $55.79 Non-Member $61.99

    In Stock

  2. Sierra Impeller Kit for Johnson / Evinrude, Replaces 301698

     
    Buyer's Club $46.79 Non-Member $51.99

    In Stock

  3. Megforce® Spark Plug Wire Set - V8 Conventional Points

     
    Buyer's Club $50.39 Non-Member $55.99

    In Stock

  4. Sierra Circulating Water Pump GM V6 / V8 Composite Timing Cover

     
    Buyer's Club $115.19 Non-Member $127.99

    In Stock

  1. Sierra International® 5 - Gallon Lube Pump

     
    Buyer's Club $104.39 Non-Member $115.99

    In Stock

  2. 12 oz. Sierra® Combustion Cleaner

     
    Buyer's Club $8.99 Non-Member $9.99 Compare at $10.49

    In Stock

  3. Sierra Marine® Johnson / Evinrude Outboard Starter

     
    Buyer's Club $215.99 Non-Member $239.99

    In Stock

  4. Sierra Impeller Kit for Mercury / Mercruiser Stern Drive #1 / MR / ALPHA 1, Replaces 46 - 96148A5

     
    Buyer's Club $35.99 Non-Member $39.99 Compare at $43.99

    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® Premium Lower Unit Gear Lube

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

    In Stock

  3. Sierra Mercruiser Lower Shift Cable Kit

     
    Buyer's Club $89.09 Non-Member $98.99

    In Stock

  4. Sierra® Mercruiser Alternator 18 - 5965

     
    Buyer's Club $251.99 Non-Member $279.99

    In Stock

  1. Sierra Mercruiser / OMC / Volvo U - Joint

     
    Buyer's Club $35.99 Non-Member $39.99 Compare at $40.99

    In Stock

  2. Sierra® Delco® Tune - up Kit for V8 Engines

     
    Buyer's Club $62.09 Non-Member $68.99 Compare at $69.99

    In Stock

  3. Sierra U - Joint Bellows for Volvo DP - S, SX

     
    Buyer's Club $44.99 Non-Member $49.99

    In Stock

  4. Sierra Marine® Mercruiser Trim Pump Motor

     
    Buyer's Club $218.69 Non-Member $242.99

    In Stock

  1. Sierra Marine® Fuel / Water Separating Filter V6 EFI 1996 and Up w/ Sensor Replaces Mercury 35 - 18458Q4

     
    Buyer's Club $16.19 Non-Member $17.99 Compare at $22.99

    In Stock

  2. 12 oz. Sierra® Aerosol Lithium Grease

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

    In Stock

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

     
    Buyer's Club $33.29 Non-Member $36.99

    In Stock

  4. Sierra® SAE 30 Full Synthetic Marine Engine Oil

     
    Buyer's Club $8.09 Non-Member $8.99

    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. Sierra® Fuel Filter for Johnson / Evinrude Engines

    5 stars
    (1)
    Buyer's Club $4.49 Non-Member $4.99 Compare at $7.99

    In Stock

  3. Sierra® 142° Thermostat Kit for Crusader and Pleasurecraft Engines

     
    Buyer's Club $22.49 Non-Member $24.99

    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® 3300 Cable Ball Joint

     
    Buyer's Club $15.29 Non-Member $16.99

    In Stock

  2. Sierra Marine® Mercury 3 cylinder Outboard Starter

     
    Buyer's Club $201.59 Non-Member $223.99

    In Stock

  3. Sierra® Thermostat Kit for Cobra® Ford® 7.4 and 8.2L Engines, 1994 - 1998

     
    Buyer's Club $26.09 Non-Member $28.99

    In Stock

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

     
    Buyer's Club $31.49 Non-Member $34.99

    In Stock

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

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

    In Stock

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

     
    Buyer's Club $166.49 Non-Member $184.99

    In Stock

  3. Sierra Marine® Fuel / Water Separator Kit Replacement Filter with Metal Bowl

     
    Buyer's Club $84.59 Non-Member $93.99

    In Stock

  4. Sierra Impeller Kit for Johnson / Evinrude, Replaces 433548

     
    Buyer's Club $67.49 Non-Member $74.99

    In Stock

  1. Sierra® Delco® Tune - up Kit for 4 Cylinder Single Point Engines

    5 stars
    (1)
    Buyer's Club $34.19 Non-Member $37.99

    In Stock

  2. Sierra® Volvo Tilt / Trim Pump Reservoir

     
    Buyer's Club $44.99 Non-Member $49.99 Compare at $54.56

    In Stock

  3. 10 ozs. Sierra® Power Trim and Tilt

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

    In Stock

  4. Sierra Impeller Kit for Crusader, Replaces 20300

     
    Buyer's Club $40.49 Non-Member $44.99

    In Stock

  1. Sierra® Thermostat Kit for Volvo Penta® Engines

     
    Buyer's Club $26.09 Non-Member $28.99

    In Stock

  2. Sierra Heavy Duty Motor Flusher

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

    In Stock

  3. Sierra International® Lower Unit Fill Tubes, Import

     
    Buyer's Club $23.39 Non-Member $25.99

    In Stock

  1. Sierra® Volvo Trim Relay, 18 - 5700

     
    Buyer's Club $25.19 Non-Member $27.99

    In Stock

  2. Sierra® Quart Pump Suzuki Lower Unit Fill Adapter

     
    Buyer's Club $8.09 Non-Member $8.99

    In Stock

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

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

    In Stock

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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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