Sierra 18-0645 Adapter Plate Gasket for Mercury Mariner Outboard

Manufacturer

Sierra

Part Number

118-0645
05/01/2036 4:39 PM
Sale Price

$8.75

2 left at this price

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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 18-0645 is a precision-engineered adapter plate gasket designed for Mercury, Mariner, and SportJet outboard engines. This marine-grade gasket creates a critical seal between the adapter plate and engine components, preventing leaks and protecting against moisture in harsh marine environments.

Key Features:

  • Direct replacement for Mercury OEM part number 27-167371
  • Engineered to meet or exceed original equipment specifications
  • Manufactured from high-quality gasket material for durability
  • Machined to match OEM hole and port patterns for precise fitment
  • Improved one-piece design for easier installation compared to earlier multi-piece versions

Sierra marine engine parts are manufactured to withstand the demanding conditions of high-horsepower marine applications. All Sierra replacement parts are designed to meet or exceed the performance of the original equipment components they replace, ensuring reliable operation and proper sealing.

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I received everything in a timely manner. I work on RVs all the time and will use you in the future.

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