Sierra, a division of SeaStar Solutions, offers a wide variety of marine engine and drive parts. Whenever you take your boat’s helm and put it in gear so as to ease away from your place of mooring, you can count on Sierra products. When you are boating with your engine at full throttle and are making a turn at sea, you can trust Sierra products. When you call it a day and are ready to return back to harbor at cruise speed, you can rely on Sierra products.

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    • (0 reviews)
      # mpn1642636045
      2-Pole Flat Connector with 12" Wires on Each Half by Sierra®.
      These polarized connector sets plug together only one way to prevent cross connectionsConstructed of rugged plastic with molded-in terminals for durability
      $11.62
    • (0 reviews)
      # mpn1642636047
      2-Contact Connector by Sierra®. Type: 2 Pole Round Connector.
      These polarized connector sets plug together only one way to prevent cross connectionsConstructed of rugged plastic with molded-in terminals for durability
      $10.97
    • (0 reviews)
      # mpn1578073018
      3-Wire Flat Connector by Sierra®.
      Carefully crafted to suit your specific boating needsEngineered to high standards
      $9.87
    • (0 reviews)
      # mpn1578072930
      4 Pole Flat-Unshrouded Connector by Sierra®.
      Unshrouded connectors are found on most OEM trailersShrouded connectors provide better protection against weather dirt and moisture
      $14.59
    • (0 reviews)
      # mpn1642636187
      Universal 4-Wire Shrouded Extension Harness by Sierra®. 5' Length. This product is made of high-quality materials to serve you for years to come. Designed using state-of-the-art technology and with customers in mind. It will meet your...
      Expertly crafted from premium materialsDesigned to match rigorous quality standards
      $15.83
    • (0 reviews)
      # mpn1578073008
      4-Pole Flat Shrouded by Sierra®.
      Shrouded connectors provide better protection against weather dirt and moistureUnshrouded connectors are found on most OEM trailers
      $9.93
    • (0 reviews)
      # mpn1642636048
      4 Pole Flat Dust Caps by Sierra®. 4 Pole flat dust caps.
      Carefully crafted to suit your specific boating needsEngineered to high standards
      $8.88
    • (0 reviews)
      # mpn1578072939
      5 Way Tester by Sierra®.
      Allows for quick and easy diagnosis of trailer/tow vehicle lighting problemsSimply plug into vehicle trailer connector
      $15.31
    • (0 reviews)
      # mpn1578072918
      6-Pole Round Connector by Sierra®.
      Carefully crafted to suit your specific boating needsEngineered to high standards
      $16.31
    • (0 reviews)
      # mpn1642636096
      7 Pole RV Style Blade Adapter by Sierra®.
      Allows a tow vehicle with a 4, 6 or 7 pole socket to tow a trailer with a different configuration plugQuality molded plastic connector stores in glove box when not in use
      $22.02
    • (0 reviews)
      # mpn1578065024
      Universal Hydraulic-Roller Lifter by Sierra®. This product is made of high-quality materials to serve you for years to come. Designed using state-of-the-art technology and with customers in mind, this product by Hooker will last a...
      Expertly crafted from premium materialsDesigned to match rigorous quality standards
      $53.18
    • (0 reviews)
      # mpn1642636046
      Trailer Connector 4 Pole by Sierra®. This product is made of high-quality materials to serve you for years to come. Designed using state-of-the-art technology and with customers in mind, this product by Kooks will last a lifetime. It...
      $11.62
    • (0 reviews)
      # mpn1642636076
      Trailer Connector by Sierra®. This product is made of high-quality materials to serve you for years to come. Designed using state-of-the-art technology and with customers in mind, this product by Kooks will last a lifetime. It will meet...
      $13.42
    • (0 reviews)
      # mpn1642636075
      Trailer Connector by Sierra®. This product is made of high-quality materials to serve you for years to come. Designed using state-of-the-art technology and with customers in mind, this product by Kooks will last a lifetime. It will meet...
      $10.57
    • (0 reviews)
      # 319449650
      Universal ATO Fuses (5 Per Pack) by Sierra®, 5 Per Pack. What can be more fun and rewarding than boating on the open waters? This is an excellent solution for your boating needs. This product is great for use in all marine applications....
      Expertly crafted from premium materialsDesigned to match rigorous quality standards
      $7.81 - $8.12
    • (0 reviews)
      # mpn1642634998
      Universal ATO Fuse Assortment by Sierra®. This product is made of high-quality materials to serve you for years to come. Designed using state-of-the-art technology and with customers in mind, this product by Kooks will last a lifetime....
      Expertly crafted from premium materialsDesigned to match rigorous quality standards
      $8.12
    • (0 reviews)
      # mpn1437092897
      10X1.25 Gear Lube Adapter Suz by Sierra®. This product is made of high-quality materials to serve you for years to come. Designed using state-of-the-art technology and with customers in mind, this product by Kooks will last a lifetime....
      $11.53
    • (0 reviews)
      # mpn1578069128
      Universal 4-Piece 3 oz. Bearing Grease by Sierra®. This product is made of high-quality materials to serve you for years to come. Designed using state-of-the-art technology and with customers in mind. It will meet your needs and deliver...
      Expertly crafted from premium materialsDesigned to match rigorous quality standards
      $15.58
    • (0 reviews)
      # mpn1437092559
      90° Tool, Stepless Clamp by Sierra®. This product is made of high-quality materials to serve you for years to come. Designed using state-of-the-art technology and with customers in mind, this product by Kooks will last a lifetime. It...
      $73.79
    • (0 reviews)
      # mpn1437092729
      Oil Absorbent Shop Pads Pack by Sierra®. Package Quantity: 150. Designed using state-of-the-art technology and with customers in mind, this product by Sierra will last a lifetime. It will meet your needs and deliver great quality at an...
      $165.86
    • (0 reviews)
      # mpn1437092730
      Oil Absorbent Pads by Sierra®. Package Quantity: 3. Designed using state-of-the-art technology and with customers in mind, this product by Sierra will last a lifetime. It will meet your needs and deliver great quality at an affordable...
      $9.73
    • (0 reviews)
      # mpn1437092963
      Drive Shaft Adapter by Sierra®. This product is made of high-quality materials to serve you for years to come. Designed using state-of-the-art technology and with customers in mind, this product by Kooks will last a lifetime. It will...
      $44.15
    • (0 reviews)
      # mpn1437092966
      Drive Shaft Adapter by Sierra®. This product is made of high-quality materials to serve you for years to come. Designed using state-of-the-art technology and with customers in mind, this product by Kooks will last a lifetime. It will...
      $42.42
    • (0 reviews)
      # mpn1437092898
      Gear Lube Adapter by Sierra®. This product is made of high-quality materials to serve you for years to come. Designed using state-of-the-art technology and with customers in mind, this product by Kooks will last a lifetime. It will meet...
      $10.02
    • (0 reviews)
      # mpn1437092957
      Shift Cable Adjustment Tool by Sierra®. This product is made of high-quality materials to serve you for years to come. Designed using state-of-the-art technology and with customers in mind, this product by Kooks will last a lifetime. It...
      $10.61
    • (0 reviews)
      # mpn1437092961
      Pump Alignment Tool by Sierra®. This product is made of high-quality materials to serve you for years to come. Designed using state-of-the-art technology and with customers in mind, this product by Kooks will last a lifetime. It will...
      $39.81
    • (0 reviews)
      # mpn1437091226
      Alignment Tool by Sierra®. This product is made of high-quality materials to serve you for years to come. Designed using state-of-the-art technology and with customers in mind, this product by Kooks will last a lifetime. It will meet...
      $131.63
    • (0 reviews)
      # mpn1437092949
      Drive Shaft Bearing Wrench by Sierra®. This product is made of high-quality materials to serve you for years to come. Designed using state-of-the-art technology and with customers in mind, this product by Kooks will last a lifetime. It...
      $44.95
    • (0 reviews)
      # mpn1437092789
      Blast Fuel Injector Cleaner by Sierra®. This product is made of high-quality materials to serve you for years to come. Designed using state-of-the-art technology and with customers in mind, this product by Kooks will last a lifetime. It...
      $20.85
    • (0 reviews)
      # mpn1437092954
      Shift Shaft Bushing Tool by Sierra®. This product is made of high-quality materials to serve you for years to come. Designed using state-of-the-art technology and with customers in mind, this product by Kooks will last a lifetime. It...
      $28.57




    For more than 50 years, Sierra has been keeping boating enthusiasts in full control and command of their vessels. Beginning with repair parts for the engine and drive and ending with throttle / shift cables and Sierra marine gauges, the company has been leading the recreational marine industry with quality, innovation, and commitment to supplying boaters with the necessary parts when they need them. It is this very persistence that has kept Sierra as the forefront of the industry.

    Sierra products are created to meet all of the necessary high-horsepower engine requirements, while being able to stand up to some of the harshest marine environments. These are products designed to exceed the OEM parts that they are created to replace. The company supplies plenty of OEM boat builders and engine manufacturers with thousands of quality Sierra marine parts each month. The company has been one of the leading suppliers of marine engine and drive parts for more than five decades, while having a stock of over 6000 products. And to add to all that, Sierra electric, ignition, fuel delivery, and other products are covered by an industry-leading warranty.

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