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Sierra 18-0988 Powerhead Base Gasket for Mercury Outboard Engines

Manufacturer

Picture for manufacturer Sierra

Part Number

118-0988
5 reviews
Sale Price

$7.36

3 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 18-0988 Powerhead Base Gasket is a critical sealing component designed for Mercury outboard engines. This gasket creates a watertight seal between the powerhead and the adapter plate or midsection, preventing cooling water from leaking into the exhaust system and protecting engine performance.

Key Features:

  • Premium gasket material engineered for marine environments
  • Creates a reliable seal between powerhead and adapter plate
  • Prevents cooling water contamination in the exhaust system
  • Meets or exceeds OEM specifications for quality and fitment
  • Essential component for powerhead rebuilds and maintenance

OEM Cross-References:

  • Mercury Marine: 27-628601, 27-62860, 27-37976
  • GLM: 31640
  • Mallory: 9-60058

Sierra Marine parts are manufactured to meet or exceed original equipment specifications, ensuring reliable performance and proper fit. This powerhead base gasket is an essential replacement part during engine overhauls or when addressing cooling system leaks.

10/10 service.

No Complaints!

good

Excellent 1st time buying experience.

Great job i want more merchandise

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