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Sierra 18-3891 Marine Head Gasket for Yamaha Outboard Motor

Manufacturer

Picture for manufacturer Sierra

Part Number

18-3891
10 reviews
Sale Price

$70.00

4 left at this price

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Usually delivered within 2 days

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FREE SHIPPING

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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 18-3891 is a premium marine head gasket engineered specifically for Yamaha outboard motors. This replacement gasket is manufactured to meet or exceed OEM specifications, ensuring proper fit and reliable performance in demanding marine environments.

Key Features:

  • Direct replacement for Yamaha OEM part numbers 61A-11181-00-00, 61A-11181-A0-00, 61A-11181-A1-00, 61A-11181-A2-00, 69L-11181-00-00, and 69L-11181-01-00
  • Also interchangeable with Mallory 9-63950 and GLM aftermarket gaskets
  • Manufactured from high-quality materials designed to withstand harsh marine conditions
  • Precision-engineered to OEM tolerances for guaranteed proper sealing
  • Backed by Sierra's decades of marine parts manufacturing experience

Sierra has been producing quality marine engine parts for over 50 years and supplies OEM parts to engine manufacturers and boat builders worldwide. Each Sierra gasket is designed to restore engine function to original specifications and deliver reliable, long-lasting performance.

Very fast shipping. Low price too.

Great deal and fast shipping. Would do business with again for sure.

Like other customer reviews, so i hope service is consistent.

paid for 2 day shipping i believe the shipping company screwed up but i needed it asap and it took to long missed my deadline. otherwise no complaints great product

so far...so good

Cool site.

Easy to find parts on web site, great prices, great customer service!

I have used them a couple times. Always seem to be one of the lowest prices on the internet and pretty quick turnaround on shipping. If you live near Los Angeles, they have a warehouse in Cerritos, so things arrive real quick once they're shipped.

no problems

Good products with low prices. Easy website and pament options.

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