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Sierra 18-3687 Marine Thermostat for Suzuki Outboard Engines

Manufacturer

Part Number

118-3687
Sale Price

$32.57

1 left at this price

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Usually delivered within 2 days

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No Hassle Returns

No Hassle Returns

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Live-in-stock inventory

Fitment guaranteed

Fitment guaranteed

Product Details

The Sierra 18-3687 is a precision-engineered marine thermostat designed specifically for Suzuki four-stroke outboard engines. This high-quality replacement thermostat maintains optimal engine operating temperature for reliable performance on the water.

Key Features:

  • Temperature rating: 160°F (71°C) for precise thermal regulation
  • Direct replacement for Suzuki OEM part numbers 17670-90J10 and 17670-90J11
  • Engineered to meet or exceed original equipment specifications
  • Designed for harsh marine environment durability
  • Compatible with Suzuki DF70, DF80, DF90, DF100, DF115, DF140, DF150, DF175, DF200, DF225, DF250, and DF300 outboard engines

Sierra Marine parts are trusted by OEM engine manufacturers and boat builders worldwide. This thermostat ensures proper engine cooling system function, helping prevent overheating and extending engine life. Built to withstand the demanding conditions of marine use while maintaining consistent performance.

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