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

     
    Non-Member $167.99 Buyer's Club $151.19
  2. Sierra® "Blue" Premium TC - W3 2 - Cycle Oil

    5 stars
    (1)
    Was $31.49 Non-Member $4.99 Buyer's Club $4.49
  3. Sierra Marine® Fuel Filter 10 - Micron Element for Racor 660RRAC02; Replaces Racor S3232

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

    You Save $7.70 (24%)

  1. Sierra Marine® Mercruiser Mando Alternator

     
    Non-Member $236.99 Buyer's Club $213.29
  2. Sierra Marine® Mercruiser Trim Pump Motor

     
    Non-Member $242.99 Buyer's Club $218.69
  3. Sierra Marine® Alternator for Volvo Engines

     
    Compare at $299.99 Non-Member $289.99 Buyer's Club $260.99

    You Save $39.00 (13%)

  4. Sierra Marine® Mercury / Mariner V6 Tilt / Trim Motor

     
    Non-Member $305.99 Buyer's Club $275.39
  1. Sierra Marine® Water Separator Kit 3/8" Stainless Steel with Metal Grain Bowl

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

    You Save $23.50 (14%)

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

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

    You Save $9.40 (35%)

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

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

    You Save $31.50 (17%)

  4. Sierra Marine® Mercury / Mariner Trim Motor

     
    Non-Member $349.99 Buyer's Club $314.99
  1. Sierra Mercruiser / OMC / Cobra Gimbal Bearing

     
    Compare at $69.99 Non-Member $64.99 Buyer's Club $58.49

    You Save $11.50 (16%)

  2. Sierra Marine® Johnson / Evinrude O/B Trim Solenoid

     
    Non-Member $29.99 Buyer's Club $26.99
  3. 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%)

  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® Mercury In Line 4 and 6 Cylinder Outboard Starter

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

    You Save $28.50 (12%)

  3. Sierra Marine® Johnson - Evinrude Tilt / Trim Motor

     
    Compare at $528.99 Non-Member $469.99 Buyer's Club $422.99

    You Save $106.00 (20%)

  4. Sierra Transom Bellows Kit for Mercruiser

     
    Non-Member $246.99 Buyer's Club $222.29
  1. Sierra® Delco® Tune - up Kit for In - line 6 Single Point Engines

     
    Compare at $49.97 Non-Member $39.99 Buyer's Club $35.99

    You Save $13.98 (28%)

  2. Sierra Circulating Water Pump GM Inline 4 and 6 Cylinder

     
    Non-Member $121.99 Buyer's Club $109.79
  3. Sierra Mercruiser Gimbal Bearing

     
    Non-Member $96.99 Buyer's Club $87.29
  4. Sierra OMC / Cobra Outdrive Gasket Set

     
    Non-Member $7.99 Buyer's Club $7.19
  1. Sierra Marine® Solenoid #13407

     
    Non-Member $30.99 Buyer's Club $27.89
  2. Sierra Impeller Kit for Johnson / Evinrude, Replaces 433548

     
    Non-Member $74.99 Buyer's Club $67.49
  3. Sierra Marine® Fuel / Water Separating Kit; 1/4" Aluminum (high capacity); Replaces Yamaha - MAR - SEPAR - AT - OR; Micron Rating 10

     
    Compare at $35.99 Non-Member $29.99 Buyer's Club $26.99

    You Save $9.00 (25%)

  1. Sierra Marine® Solenoid AP #804

     
    Compare at $41.99 Non-Member $34.99 Buyer's Club $31.49

    You Save $10.50 (25%)

  2. Sierra Impeller Kit for Honda, Replaces 06192 - ZW1 - 000

     
    Non-Member $52.99 Buyer's Club $47.69
  3. Sierra Marine® Mercury 3 cylinder Outboard Starter

     
    Non-Member $223.99 Buyer's Club $201.59
  1. Sierra® Mercury 3 - wire, Single - Ram Tilt / Trim Motor, 18 - 6775

     
    Non-Member $576.99 Buyer's Club $519.29
  2. Sierra Marine® Johnson / Evinrude Outboard Starter

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

    You Save $37.00 (15%)

  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%)

  4. Sierra Transom Bellows Kit for Mercruiser

     
    Non-Member $185.99 Buyer's Club $167.39
  1. Sierra® Thunderbolt® HEI Tune - up Kit for HEI V6 Engines

     
    Compare at $27.99 Non-Member $24.99 Buyer's Club $22.49

    You Save $5.50 (20%)

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

     
    Non-Member $127.99 Buyer's Club $115.19
  3. Sierra® OMC / Volvo Electric Fuel Pump, 18 - 7331

     
    Non-Member $197.99 Buyer's Club $178.19
  4. 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%)

  1. Sierra Volvo SX Outdrive Gasket Set

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

    You Save $0.85 (19%)

  2. 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%)

  3. Sierra Mercruiser TR, TRS Outdrive Gasket Set

     
    Non-Member $9.99 Buyer's Club $8.99
  1. Sierra Marine® Solenoid

     
    Non-Member $28.99 Buyer's Club $26.09
  2. Sierra Impeller Kit for Johnson / Evinrude, Replaces 395060

     
    Non-Member $67.99 Buyer's Club $61.19
1-48 of 165
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Related Products

Sierra® Thermostat Kit for Mercruiser® 230, 250, and 260 HP Engines, 1977 - 1987

Item # WX2-167149

Non-Member $21.99 Buyer's Club $19.79

In Stock

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Sierra® Thermostat Kit for Mercruiser® 230, 250, and 260 HP Engines, 1977 - 1987.

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. Thermostat Kit (part no. 18-3646) replaces O.E.M. thermostat kit no. 807252Q3.

Kit contains:
  • Thermostat (part no. 18-3551)- replaces O.E.M. part no. 59137
  • Thermostat Housing Gasket (part no. 18-2917)- replaces O.E.M. part nos. 27-53045-1, 27-33918
  • Thermostat Cover Gasket (part no. 18-2844)-replaces O.E.M. part no. 27-48818-1
  • 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.

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


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

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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® Mercruiser / OMC / Cobra Heavy - Duty Starter

Item # WX2-160592

Non-Member $237.99 Buyer's Club $214.19

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® 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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