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Sierra 18-99127 Thermostat Cover Gasket

Manufacturer

Picture for manufacturer Sierra

Part Number

118-99127
5 reviews
Sale Price

$7.01

In Stock (5)

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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 18-99127 Thermostat Cover Gasket is a precision-engineered replacement seal designed for marine engine cooling systems. This gasket creates a critical seal between the thermostat housing and the engine block, preventing coolant leaks and maintaining proper cooling system pressure.

Key Features:

  • Designed to meet or exceed OEM specifications for reliable performance
  • Premium marine-grade materials engineered to withstand high temperatures and pressures
  • Precision-cut for optimal fit and long-lasting seal integrity
  • Prevents costly engine damage from coolant leaks and overheating
  • Essential replacement component for routine cooling system maintenance

A properly functioning thermostat gasket is essential to your marine engine's cooling system performance. This seal prevents coolant from escaping at the thermostat housing connection point, maintaining the correct operating temperature and protecting critical engine components. Regular replacement of worn gaskets during thermostat service helps prevent engine overheating and extends engine life.

I got the part on time but it's not the right part I've been trying to send it back for almost two and a half weeks I really need to get my money back

Best price and availability.

My shopping experience was great! Good prices also.

So far so good ,order made

Easy so far

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