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Sierra 18-0103 Powerhead Base Gasket for Mercury Marine Engines

Manufacturer

Sierra

Picture for manufacturer Sierra

Part Number

18-0103
11 reviews
04/19/2036 3:11 PM
Sale Price

$12.85

In Stock (9)

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Usually delivered within 2 days

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Product Details

The Sierra 18-0103 is a precision-engineered powerhead base gasket designed as a direct replacement for Mercury Marine outboard engines. This composite gasket provides a reliable seal between the powerhead and lower unit assembly, ensuring proper engine performance and preventing water intrusion.

Key Features:

  • Precision-cut composite construction for superior sealing performance
  • Meets or exceeds OEM specifications for exact fit and durability
  • Direct replacement for Mercury Marine applications
  • Compatible with GLM and other aftermarket systems

Replaces OEM Part Numbers:

  • Mercury Marine: 27-796501, 27-79650, 27-37725, 27-72496
  • GLM: 30990

Sierra Marine is a trusted manufacturer of aftermarket marine engine parts, known for producing quality replacement components that deliver reliable performance at competitive prices. Each gasket is manufactured to strict quality standards to ensure proper fit and long-lasting service life.

You have great feedback on your site..That's the reason I'm going with you. Your price seems the absolute best also.

Great price and really fast shipping. Great communication as well.

Fast no hassle shopping and saved 10 bucks..:)

Cheap prices

Claimed to give me a military discount I purchased online after hrs and it was 1.79 more some discount that was offered.

Found what I needed at a great price.

Best price super fast shipping and an easy transaction. will definitely buy from Autoplicity again.

Easy to order

Easy and straight to the point.

Very great service. I purchased a set of jba headers and hotchkin sway bar for my 2004, gto. I must say lowest pricing I found. Thanks!

Item was shipped out the next day and arrived fast within 3 days. Lowest price available and will gladly shop here again soon.

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