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Sierra 18-2573 Water Jacket Cover Gasket for Mercury Mariner Outboard

Manufacturer

Sierra

Picture for manufacturer Sierra

Part Number

118-2573
6 reviews
04/25/2036 8:48 PM
Sale Price

$6.70

1 left at this price

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Usually delivered within 2 days

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Product Details

The Sierra 18-2573 is a precision-engineered water jacket cover gasket designed for 6-cylinder Mercury and Mariner outboard engines. This essential cooling system component creates a reliable seal between the water jacket cover and the engine block, preventing coolant leaks and maintaining optimal engine operating temperatures.

Key Features:

  • Designed for 6-cylinder Mercury/Mariner outboard engines
  • Meets or exceeds OEM specifications for reliable performance
  • Precision-cut gasket material ensures proper fit and seal
  • Direct replacement for Mercury part numbers 27-721421, 27-72142, and 27-60475
  • Also replaces GLM 31730

Sierra Marine is a trusted name in aftermarket marine parts, manufacturing engine components that match or exceed original equipment quality. Each gasket is manufactured to exact tolerances to provide dependable cooling system integrity and long service life.

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have not installed them yet but was best price and good delivery.

Very quiet delivery Correct merch Will be ordering from you again!!

I found the engine compartment heater I needed for my 20' boat at the best price at Boatplicity. Fast, convenient and good price.

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easy to navigate website,great prices and quality name brands.

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