Genuine Mercedes 274-200-31-00 Engine Coolant Thermostat Assembly

The Genuine Mercedes 274-200-31-00 Engine Coolant Thermostat Assembly is an OEM replacement component designed to maintain optimal engine operating temperature in Mercedes-Benz 2.0L turbocharged engines. This complete assembly regulates coolant flow between the engine and radiator, ensuring efficient engine performance and preventing overheating.

Key Features:

• Complete thermostat assembly with integrated housing and temperature sensor
• Designed for Mercedes-Benz M274 2.0L turbocharged engines
• Includes all necessary O-rings and seals for proper installation
• Manufactured to exact OEM specifications for precise fit and function
• Opening temperature engineered for optimal thermal management

This thermostat assembly is a direct replacement for Mercedes-Benz part numbers 2742000115 and 2742004200. The housing is constructed from high-quality engineered plastic materials designed to withstand constant thermal cycling and coolant exposure. When the engine is cold, the thermostat valve remains closed to allow rapid warm-up. Once optimal operating temperature is reached, the valve opens to allow coolant flow through the radiator for proper cooling.

What's Included:

• Thermostat housing assembly
• Pre-installed thermostat element
• Temperature sensor
• Mounting hardware
• O-rings and seals

As a genuine Mercedes-Benz component, this thermostat assembly is engineered specifically to work with your vehicle's cooling system and is backed by Mercedes-Benz quality standards. Proper thermostat function is critical for maintaining correct engine temperature, fuel efficiency, and emissions performance.