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Sierra 18-3839 Head Gasket for Johnson Evinrude Outboard Engines OMC 333670

Manufacturer

Part Number

18-3839
Sale Price

$41.73

In Stock (5)

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Usually delivered within 2 days

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No Hassle Returns

No Hassle Returns

Live-in-stock inventory

Live-in-stock inventory

Fitment guaranteed

Fitment guaranteed

Product Details

The Sierra 18-3839 is a premium aftermarket head gasket engineered as a direct replacement for Johnson and Evinrude outboard engines. Designed to seal the cylinder head to the engine block, this gasket delivers a reliable, leak-free fit in demanding marine environments.

Sierra International is a market leader in aftermarket marine engine parts, and every Sierra gasket is manufactured to meet or exceed the original equipment specifications it replaces — ensuring long-lasting performance on the water.

Key Features:

  • Direct OEM replacement head gasket for Johnson/Evinrude outboard engines
  • Meets or exceeds original equipment manufacturer (OEM) standards
  • Constructed with marine-grade materials for durability in harsh conditions
  • Sold individually (1 gasket per package)
  • UPC: 30999316905

OEM Cross-Reference Numbers:

  • OMC: 333670, 334726
  • Also replaces: 473839, GLM34590, AP2199, 963825

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Smooth & easy transaction!

very good

Easy!

Great price. I will leave more feedback after it arrives and is installed.

Good

Good

Ordered a Simpson helmet on Monday afternoon, received tracking on Monday evening and will have the product on Wednesday! Quick service! Also would like to mention that the price was the lowest of anywhere I looked up.

Y'all is Awesome!

This was my first purchase from Autoplicity, and it was an excellent experience. They had the Motive brake bleeder adapter I needed at the best price I could find on the web. Shipping was prompt and the transaction was super smooth. Thanks!

Easy to order with the Amazon connectivity

Fast and easy had what I needed. Also could not find what I was looking for any where but here. Thanks

They had two items that I wanted in stock with the lowest price I've seen online anywhere, and had super affordable shipping options.

Vehicle Specific part look up was a bit off on the bilstein products. Hard to find the rears required for my truck.

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