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Sierra 18-3871 Cylinder Head Gasket for Mercury Marine Outboard Engines

Manufacturer

Picture for manufacturer Sierra

Part Number

18-3871
12 reviews
Sale Price

$48.98

In Stock (9)

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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 18-3871 is a marine-grade replacement cylinder head gasket engineered for Mercury Marine outboard engines. Designed to deliver a precise, leak-free seal, this head gasket restores proper compression and coolant containment to keep your engine running at peak performance.

Built to meet or exceed the original equipment specifications it replaces, the Sierra 18-3871 is constructed from durable, non-corrosive materials suited for the demands of the marine environment. It is a direct drop-in replacement that installs without modification.

Key Features:

  • Marine-grade, non-corrosive construction for long-lasting durability
  • Meets or exceeds OEM specifications
  • Direct replacement — no modifications required
  • Restores proper cylinder head sealing and compression

OEM & Cross-Reference Part Numbers:

  • Mercury Marine: 27-18786-1, 27-187863, 27-18786T
  • GLM: 35890
  • Mallory: 9-63856

Easy

The prices are well set and checkout was easy

It was cool

cheapest prices on the internet

Ticketyboo

Prices have gone up in the last month. Still it was an easy shopping experience.

Great transaction at a great price.

Great price & part in stock & was told would ship today !

Quick ordering, cheap prices, and an easy, excellent online shopping experience. Hence why I ordered again. Could work on shipping costs though.

good

Very fast shipping! Lowest prices as well! Will do business again

WOW SUPER FAST SHIPPING GREAT SERVICE!!!!!!!!

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