Engineered Marine Products 75-08630 Thermostat 143° for Johnson Evinrude Outboard

The Engineered Marine Products 75-08630 is a 143-degree thermostat designed specifically for BRP Johnson and Evinrude 3-cylinder, 60-75 HP looper outboard engines. This precision-engineered cooling system component helps maintain optimal engine operating temperature for consistent performance and reliability on the water.

Key Features:

• 143°F opening temperature for proper engine cooling
• Direct replacement for Johnson/Evinrude looper outboards
• Fits 3-cylinder, 60-75 HP models from 1990-1995
• Quality aftermarket construction designed for marine environments
• Replaces BRP OEM part 434137, Sierra 18-3500, and GLM 13170

This thermostat is an essential component of your outboard's cooling system, regulating coolant flow to prevent overheating while allowing the engine to reach proper operating temperature efficiently. Regular thermostat replacement helps prevent costly engine damage and ensures your outboard runs reliably season after season.