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 Circulating Water Pump Big Block GM Steel Timing Cover

     
    Non-Member $199.99 Buyer's Club $179.99
  2. Sierra Marine® Fuel / Water Separator Aluminum Bracket Replaces 1/4" Yamaha MAR - FLTHD - AL - 12 or Mercury 89876A3

     
    Compare at $28.99 Non-Member $24.99 Buyer's Club $22.49

    You Save $6.50 (22%)

  1. Sierra Impeller Kit for Suzuki, Replaces 17400 - 87D11

     
    Compare at $44.26 Non-Member $39.99 Buyer's Club $35.99

    You Save $8.27 (19%)

  2. Sierra® Delco® Tune - up Kit for In - line 6 Single Point Engines

     
    Non-Member $45.99 Buyer's Club $41.39
  3. Sierra Mercruiser Lower Shift Cable Kit

     
    Non-Member $154.99 Buyer's Club $139.49
  4. Sierra® Mercruiser Tilt / Trim Motor, 18 - 6763

     
    Compare at $237.54 Non-Member $221.99 Buyer's Club $199.79

    You Save $37.75 (16%)

  1. Sierra Marine® Mercruiser / OMC / Volvo Starter

     
    Non-Member $210.99 Buyer's Club $189.89
  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 OMC / Cobra Outdrive Gasket Set

     
    Non-Member $7.99 Buyer's Club $7.19
  4. Megforce® Spark Plug Wire Set 4 Cyl. Conventional Points

     
    Compare at $35.99 Non-Member $31.99 Buyer's Club $28.79

    You Save $7.20 (20%)

  1. Sierra® Mercruiser Upper Gearcase Drain Plug

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

    You Save $1.30 (33%)

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

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

    You Save $3.55 (27%)

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

     
    Non-Member $49.99 Buyer's Club $44.99
  2. Sierra® Mercruiser Tilt / Trim Pump Reservoir

     
    Compare at $49.99 Non-Member $47.99 Buyer's Club $43.19

    You Save $6.80 (14%)

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

     
    Non-Member $261.99 Buyer's Club $235.79
  4. Sierra Impeller Kit for Crusader, Replaces 1003062

     
    Non-Member $42.99 Buyer's Club $38.69
  1. 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%)

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

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

    You Save $5.76 (27%)

  3. Sierra® Thermostat Kit for Volvo Penta® Engines

     
    Non-Member $22.99 Buyer's Club $20.69
  4. Sierra Marine® Alternator for Volvo Engines

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

    You Save $39.00 (13%)

  1. Sierra Marine® Water Separator Kit 1/4" Aluminum with Metal Grain Bowl

     
    Non-Member $126.99 Buyer's Club $114.29
  2. Sierra® Volvo Trim Relay, 18 - 5700

     
    Non-Member $27.99 Buyer's Club $25.19
  3. Sierra Marine® Mercury V6 Outboard Starter

     
    Compare at $249.99 Non-Member $239.99 Buyer's Club $215.99

    You Save $34.00 (14%)

  1. Sierra Impeller Kit for Yamaha, Replaces 63D - W0078 - 01 - 00

     
    Non-Member $34.99 Buyer's Club $31.49
  2. Sierra Impeller Kit for Honda, Replaces 06192 - ZW1 - 000

     
    Non-Member $52.99 Buyer's Club $47.69
  3. Sierra Marine® 1978 - 1985 OMC Sterndrive Tilt / Trim Motor AP #1513

     
    Non-Member $239.99 Buyer's Club $215.99
  4. 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%)

  1. Sierra Mercruiser Lower Shift Cable Kit

     
    Non-Member $98.99 Buyer's Club $89.09
  2. Megforce® Spark Plug Wire Set - V8 Thunderbolt

     
    Compare at $54.99 Non-Member $44.99 Buyer's Club $40.49

    You Save $14.50 (26%)

  3. Sierra Mercruiser Bravo U - Joint

     
    Compare at $154.99 Non-Member $144.99 Buyer's Club $130.49

    You Save $24.50 (16%)

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

     
    Non-Member $576.99 Buyer's Club $519.29
  1. Sierra Marine® Solenoid #13407

     
    Non-Member $30.99 Buyer's Club $27.89
  2. Sierra Impeller Kit for Mercury / Mercruiser Stern Drive #1 / MR / ALPHA 1, Replaces 46 - 96148A5

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

    You Save $8.00 (18%)

  3. Sierra Marine® Remanufactured Starter

     
    Non-Member $221.99 Buyer's Club $199.79
  4. 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 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%)

  2. Sierra Marine® OMC Sterdrive Step Up Solenoid

     
    Non-Member $28.99 Buyer's Club $26.09
  3. Sierra Mercruiser Outdrive Gasket Set

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

    You Save $1.05 (18%)

  4. Sierra Mercruiser TR, TRS Outdrive Gasket Set

     
    Non-Member $9.99 Buyer's Club $8.99
  1. Sierra Circulating Water Pump GM Inline 4 and 6 Cylinder

     
    Non-Member $121.99 Buyer's Club $109.79
  2. Sierra Transom Bellows Kit for Mercruiser

     
    Non-Member $185.99 Buyer's Club $167.39
  3. Megforce® Spark Plug Wire Set - V6 Thunderbolt

     
    Non-Member $49.99 Buyer's Club $44.99
49-96 of 161
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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

Add to Wishlist

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

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® 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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