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Sierra 18-3633 Thermostat Kit for Mercury Marine Outboard Engines

Manufacturer

Sierra

Picture for manufacturer Sierra

Part Number

18-3633
9 reviews
03/13/2036 1:24 AM
Sale Price

$68.74

In Stock (10+)

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Usually delivered within 2 days

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Product Details

The Sierra 18-3633 Thermostat Kit is a direct OE replacement thermostat designed specifically for Mercury Marine outboard engines. This complete kit includes a thermostat and O-ring seal for proper installation and reliable performance.

Key Features:

  • Direct OE replacement for Mercury Marine engines
  • Includes O-ring seal for leak-free installation
  • Designed for Mercury Marine 115 Pro XS and 75-115 HP outboard engines
  • Ensures proper engine operating temperature
  • Manufactured by Sierra, a trusted marine parts supplier

Proper thermostat function is critical for maintaining optimal engine temperature, preventing overheating, and ensuring efficient fuel consumption. This kit provides everything needed for a complete thermostat replacement on compatible Mercury outboard motors.

Compatible with: Mercury Marine 115 Pro XS and 75-115 HP engines

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Once arrived (Go Rhino� - 4" 415 Series Cab Length Textured Black Side Steps), I had the side steps installed at a local off road dealer. Some of the brackets did not fit correctly to the truck. Dealer was able to correct the issue and figure out a way mount correctly.

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