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Sierra 18-3675 Thermostat Cover Gasket for Mercury Marine Outboards

Manufacturer

Picture for manufacturer Sierra

Part Number

18-3675
10 reviews
Sale Price

$4.63

In Stock (10+)

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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 18-3675 Thermostat Cover Gasket is designed for use with Mercury marine 200-250 HP 3.0L, (DFI and EFI) engines. This essential gasket provides a reliable seal between the thermostat housing and engine block, preventing coolant leaks and ensuring optimal engine temperature regulation in your outboard motor.

Key Features:

  • Direct replacement for Mercury outboard marine engines
  • Meets or exceeds original equipment specifications
  • Designed for 200-250 HP Mercury 3.0L DFI and EFI models
  • Quality construction for dependable sealing performance

Cross Reference Numbers:

This gasket is interchangeable with Mercury Marine 27850318, 27-8503181, and Mercury Sport Jet 27-8503181. Verify compatibility with your specific engine model before installation.

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I had a hard time finding this part, but lucky this website had it. Everything was fast and easy, with no hassle. Thank you

Really Good. The right battery for my motorcycle.

very fast process

Always been happy with products and price.

So far everything has been good.

Easy to find parts, fast checkout. I'll be back.

Happy

Autoplicity has some of best prices around and also ships extremely. Their customer service staff, either online or on the phone is also easily reachable and helpful!

Purchased a roll-n-lock bed cover. Ordering was easy and it was the lowest price by far that I could find online. Shipped within 48 hrs as informed. I have not yet rec'd it so I cannot comment on the packaging just yet. Sofar a good online purchase experience.

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