Johnson Evinrude Mercury Thermostat Kit Replace 5005440 435491 833072003 18-3536

Thermostat Kit for Johnson Evinrude Mercury

This thermostat kit replaces OEM cross-reference numbers 5005440, 435491, 833072003, and 18-3536 for Johnson, Evinrude, and Mercury outboard engines.

Overview

This thermostat kit regulates engine temperature for outboard motors. It is designed to replace worn thermostats in Johnson, Evinrude, and Mercury engines. This thermostat kit ensures proper coolant flow and consistent operating temperature.

Built For Performance

• Direct replacement for OEM part numbers 5005440, 435491, 833072003, and 18-3536
• Constructed from corrosion-resistant materials for marine environments
• Precision-machined valve for reliable temperature control
• Includes necessary gaskets for a complete installation
• Engineered to match factory specifications for exact fit

Specs At A Glance

Good To Know

Q: How do I verify compatibility with my outboard? A: Cross-reference your engine's part number with the listed OEM numbers. If they match, this thermostat kit is a direct replacement.

Q: Why is a thermostat important? A: It regulates coolant flow to keep the engine at optimal temperature, preventing overheating and improving efficiency.

Slight variation in finish or dimensions may occur between production runs, and fit can depend on serial number, so confirm compatibility before ordering.