Engine Parts

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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 Marine® Mercruiser Mando Alternator

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

     
    Non-Member $242.99 Buyer's Club $218.69
  4. 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%)

  1. 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%)

  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 Transom Bellows Kit for Mercruiser

     
    Non-Member $246.99 Buyer's Club $222.29
  4. Sierra Marine® Mercury 3 cylinder Outboard Starter

     
    Non-Member $223.99 Buyer's Club $201.59
  1. Sierra Marine® Johnson / Evinrude Outboard Starter

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

    You Save $37.00 (15%)

  2. Sierra Transom Bellows Kit for Mercruiser

     
    Non-Member $185.99 Buyer's Club $167.39
  3. Sierra® OMC / Volvo Electric Fuel Pump, 18 - 7331

     
    Non-Member $197.99 Buyer's Club $178.19
  1. Sierra Marine® Starter for Late - Model 3.0 L I/O Engines

     
    Non-Member $236.99 Buyer's Club $213.29
  2. 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%)

  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%)

  4. Sierra Marine® Johnson / Evinrude Outboard Starter

     
    Compare at $194.99 Non-Member $184.99 Buyer's Club $166.49

    You Save $28.50 (15%)

  1. Sierra Marine® Johnson / Evinrude Outboard Starter

     
    Compare at $194.99 Non-Member $184.99 Buyer's Club $166.49

    You Save $28.50 (15%)

  2. Sierra Transom Bellows Kit for OMC Cobra

     
    Compare at $179.99 Non-Member $174.99 Buyer's Club $157.49

    You Save $22.50 (13%)

  3. Sierra Circulating Water Pump Big Block GM Steel Timing Cover

     
    Non-Member $199.99 Buyer's Club $179.99
  4. Sierra Marine® Mercruiser / OMC / Volvo Starter

     
    Non-Member $210.99 Buyer's Club $189.89
  1. Sierra Marine® Johnson / Evinrude Tilt / Trim Motor AP #1512

     
    Non-Member $241.99 Buyer's Club $217.79
  2. Sierra Marine® Johnson / Evinrude Outboard Starter

     
    Non-Member $218.99 Buyer's Club $197.09
  3. Sierra Marine® Remanufactured Starter

     
    Non-Member $221.99 Buyer's Club $199.79
  1. Sierra Marine® Mercury Small Outboard Starter

     
    Non-Member $163.99 Buyer's Club $147.59
  2. Sierra Marine® GM Motors Starter

     
    Non-Member $247.99 Buyer's Club $223.19
  3. Sierra Marine® Johnson / Evinrude Outboard Starter

     
    Non-Member $239.99 Buyer's Club $215.99
  4. Sierra Mercruiser Lower Shift Cable Kit

     
    Non-Member $154.99 Buyer's Club $139.49
  1. Sierra Marine® 1978 - 1985 OMC Sterndrive Tilt / Trim Motor AP #1513

     
    Non-Member $239.99 Buyer's Club $215.99
  2. Sierra Mercruiser Lower Shift Cable Kit

     
    Non-Member $181.99 Buyer's Club $163.79
  3. Sierra Marine® Mercruiser / OMC / Cobra Heavy - Duty Starter

     
    Non-Member $237.99 Buyer's Club $214.19
  4. Sierra Marine® Johnson / Evinrude Outboard Starter

     
    Non-Member $209.99 Buyer's Club $188.99
  1. Sierra Transom Bellows Kit for Volvo SX

     
    Non-Member $192.99 Buyer's Club $173.69
  2. Sierra Mercruiser Lower Shift Cable Kit

     
    Non-Member $169.99 Buyer's Club $152.99
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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

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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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