Boat Maintenance

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

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  1. Sierra Premium Marine Bearing Grease

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

    You Save $1.25 (16%)

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

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

    You Save $2.90 (15%)

  3. Sierra® Quart Pump Suzuki Lower Unit Fill Adapter

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

    You Save $3.26 (31%)

  4. Sierra® Mercruiser Upper Gearcase Drain Plug Gasket

     
    Non-Member $5.99 Buyer's Club $5.39
  1. Sierra® OMC Upper Gearcase Drain Plug

     
    Non-Member $5.99 Buyer's Club $5.39
  2. Sierra International® Oil Filter Wrench, 2 9/16" diameter

     
    Non-Member $16.99 Buyer's Club $15.29
  3. Sierra Impeller Kit for Suzuki, Replaces 17400 - 93951

     
    Compare at $19.49 Non-Member $15.99 Buyer's Club $14.39

    You Save $5.10 (26%)

  4. Sierra® OMC Lower Gearcase Drain Plug

     
    Non-Member $12.99 Buyer's Club $11.69
  1. 12 oz. Sierra® Combustion Cleaner

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

    You Save $1.50 (14%)

  2. 10 ozs. Sierra® Power Trim and Tilt

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

    You Save $4.20 (40%)

  3. 12 ozs. Sierra® Aerosol Fogging Oil

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

    You Save $3.14 (26%)

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

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

    You Save $4.70 (24%)

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

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

    You Save $2.70 (30%)

  2. Sierra® Fuel Filter for Mercury Engines

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

    You Save $1.00 (18%)

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

     
    Non-Member $16.99 Buyer's Club $15.29
  4. Sierra Marine® Fuel / Water Separating Filter V6 EFI 1996 and Up w/ Sensor Replaces Mercury 35 - 18458Q4

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

    You Save $6.80 (30%)

  1. Sierra Mercruiser Outdrive Gasket Set

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

    You Save $1.05 (18%)

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

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

    You Save $3.35 (30%)

  3. Sierra Marine® Fuel / Water Separating Filter Replaces Mercury 35802893Q, Yamaha ABB - FUELF - IL - TR Micron Rating 10

     
    Compare at $8.99 Non-Member $6.99 Buyer's Club $6.29

    You Save $2.70 (30%)

  4. Sierra Heavy Duty Grease Gun Flex Hose

     
    Non-Member $14.99 Buyer's Club $13.49
  1. Sierra OMC / Cobra Outdrive Gasket Set

     
    Non-Member $7.99 Buyer's Club $7.19
  2. Sierra® Fuel Filter for Mercruiser Engines

     
    Compare at $9.95 Non-Member $4.99 Buyer's Club $4.49

    You Save $5.46 (55%)

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

    5 stars
    (1)
    Was $31.49 Non-Member $4.99 Buyer's Club $4.49
  4. Sierra® 10W - 30 4 - Stroke Marine Outboard Engine Oil

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

    You Save $1.15 (16%)

  1. Sierra® 25W - 40 Synthetic Blend 4 - Stroke Outboard Oil

     
    Was $28.99 Non-Member $7.49 Buyer's Club $6.74
  2. Sierra® 25W - 40 4 - Stroke Marine Stern Drive Engine Oil

     
    Was $31.49 Non-Member $7.49 Buyer's Club $6.74
  3. Sierra® Mercruiser Lower Gearcase Drain Plug

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

    You Save $1.40 (24%)

  4. Sierra Impeller Kit for Honda, Replaces 06192 - ZV4 - 000

     
    Compare at $16.49 Non-Member $14.99 Buyer's Club $13.49

    You Save $3.00 (18%)

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

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

    You Save $3.21 (34%)

  2. Sierra® SAE 30 Full Synthetic Marine Engine Oil

     
    Was $38.99 Non-Member $8.99 Buyer's Club $8.09
  3. Sierra® Delco® Tune - up Kit for 4 Cylinder EST Mercruiser

     
    Non-Member $16.99 Buyer's Club $15.29
  4. Sierra Mercruiser Outdrive Gasket Set

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

    You Save $1.15 (16%)

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

     
    Compare at $9.99 Non-Member $7.99 Buyer's Club $7.19

    You Save $2.80 (28%)

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

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

    You Save $7.00 (28%)

  3. Sierra® Premium Lower Unit Gear Lube

    5 stars
    (2)
    Compare at $9.65 Was $8.99 Non-Member $5.99 Buyer's Club $5.39

    You Save $4.26 (44%)

  1. Sierra® Type C Gear Lube

    5 stars
    (1)
    Compare at $9.99 Was $8.99 Non-Member $7.49 Buyer's Club $6.74

    You Save $3.25 (33%)

  2. Sierra® Quart Pump Suzuki Lower Unit Fill Adapter

     
    Non-Member $8.99 Buyer's Club $8.09
  3. Sierra® Mercruiser Upper Gearcase Drain Plug

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

    You Save $1.30 (33%)

  1. Sierra Impeller Kit for Honda, Replaces 06192 - ZV5 - 003

     
    Compare at $21.66 Non-Member $17.99 Buyer's Club $16.19

    You Save $5.47 (25%)

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

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

    You Save $4.70 (24%)

  3. Sierra Volvo SX Outdrive Gasket Set

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

    You Save $0.85 (19%)

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

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

    You Save $2.50 (36%)

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

     
    Non-Member $18.99 Buyer's Club $17.09
  2. Sierra Impeller Kit for Mercury 4 / 7.5 / 9.8 HP with .456 OD Drive Shaft

     
    Compare at $16.99 Non-Member $13.99 Buyer's Club $12.59

    You Save $4.40 (26%)

  3. Sierra® Fuel Filter for Johnson / Evinrude Engines

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

    You Save $3.50 (44%)

  4. Sierra Marine® Replacement Filter

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

    You Save $3.35 (30%)

1-48 of 72
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Related Products

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

Item # WX2-167162

Non-Member $19.99 Buyer's Club $17.99

In Stock

Add to Wishlist

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

Item # WX2-167074

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

You Save $8.00 (18%)

In Stock

Add to Wishlist

Sierra Impeller Kit for Mercury / Mercruiser Stern Drive #1 / MR / ALPHA 1.

Replaces 46-96148A5 Mercruiser Stern Drive (2495186-D594568). 75 HP / 4 cylinder (64032701 and up), 85 HP / 4 cylinder (4590512 and up), 90 HP / 6 cylinder (4845301 and up), 115 HP / 6 cylinder (4694237 and up), 125 HP (2354956-3253111), V135 (904646 and up), 140 HP (3293234 and up), 150 HP (3502806-4868647), V150 (A904646 and up), V175 (6618751 and up), V200 (6625221 and up), V200 DFI 3.0L (G836496), V220 and 225 (All-D280812).

Order ONLINE Today!


Sierra Marine® Mercury O/B Starter and Power Trim, Mercruiser Step Up and Power Trim Solenoid

Item # WX2-160597

Non-Member $20.99 Buyer's Club $18.89

In Stock

Add to Wishlist

Sierra Marine® Mercury O/B Starter and Power Trim, Mercruiser Step Up and Power Trim Solenoid.

Give your boat the "oomph" it needs to get started, even in the harshest conditions. This flat mounting bracket Solenoid replaces part #89-96054.

Replaces starter solenoid for Mercury:
  • 6-25 HP electric start
  • 40 HP (4 cylinder) C159200 and up
  • 50 HP (3 cylinder) 6428681-B122929
  • 55 HP (3 cylinder) D000750-G290584
  • 60 HP (3 cylinder) 6428681-B122929
  • 70 HP (3 cylinder) 6104370-6428680
  • 75 HP (4 cylinder) 6432901 and up
  • 80 HP (4 cylinder) 6030904-6432900
  • 90 HP (6 cylinder) 6436123 and up
  • 115 HP (6 cylinder) 6051526 and up
  • V150 6042946-A904645
  • V175 6618751-C239552
  • V200 6073192-C100860

Replaces Mercruiser step up starter solenoid and power trim flat mounting bracket.


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

Item # WX2-167154

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

You Save $4.70 (24%)

In Stock

Add to Wishlist

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

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. 18-3650) includes thermostat and gasket to replace your original thermostat kit (O.E.M. 59078Q3).

Kit includes:
  • Thermostat (part no. 18-3550)- replaces O.E.M. part no. 59078
  • Thermostat gasket (part no. 2831)-replaced O.E.M. part no. 27-47590-1.

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