The Mercedes W204 W212 GL X164 OM642 Thermostat Valve is a component from the Thermostats and Housings category, designed for the cooling system of OM642 engines in select Mercedes models. It is responsible for precise control of coolant flow, which translates to stable engine operating temperature and safe operating conditions. Thanks to its construction compliant with manufacturer standards, it is a functional service solution for demanding users.
Specifications and technical data
- SKU: A6422002215
- Mark: Mercedes (Genuine OE)
- Condition: Used
- OEM Part Number: A6422002215
- Substitutable numbers: A6422002215, A 642 200 22 15
- Category: Thermostats & Housings
Application and Function in the Cooling System
The thermostat with valve in the OM642 engine is responsible for controlling the coolant circulation between the engine block and the radiator. A properly functioning component:
- maintains optimal engine operating temperature,
- reduces the risk of overheating under heavy load,
- accelerates reaching operating temperature after startup,
- stabilizes the operating conditions of engine accessories.
This ensures that the Mercedes cooling system with OM642 engine maintains proper efficiency, contributing to smooth engine operation, correct combustion characteristics, and reduced component wear.
Compatibility with Mercedes Models
The presented thermostat with valve is designed for select versions of Mercedes C-Class W204, E-Class W212, and GL X164 SUVs equipped with the OM642 engine. This means it is structurally adapted to the specific cooling system architecture of these powertrains.
It is always advisable to verify part selection based on vehicle data and OEM part numbers and replacement numbers available in the technical specification. This approach minimizes the risk of incompatibility and facilitates workshop installation.
Technical Characteristics and Installation
The thermostat with valve operates under demanding temperature and pressure conditions, so its construction is adapted to the specifics of the OM642 engine. This component works with the coolant circuit, reacting to temperature changes and opening or closing the flow within the appropriate range.
During installation, it is important to:
- use a new seal in accordance with manufacturer recommendations,
- properly bleed the cooling system after replacement,
- check for leaks after the engine has warmed up for the first time,
- verify the accuracy of the engine operating temperature readings.
A correctly installed thermostat with valve allows for the restoration of proper engine heating and cooling characteristics, which is important for both engine durability and driving comfort.
Part Condition and Benefits of Choosing an OEM Part
The offered thermostat with valve is a used part, originating from the original Mercedes cooling system. Choosing an OEM part ensures structural compatibility with the factory solution, which translates to proper fit with spigots, hoses, and housing.
The main advantages of using an original thermostat with valve in the OM642 engine include:
- factory fit to the Mercedes cooling system,
- maintenance of the opening characteristics specified by the manufacturer,
- reduction of the risk of engine operating temperature problems,
- easier diagnostics during subsequent inspections.
Mercedes Thermostats and Housings – Selecting the Right Components
If you are looking for other Mercedes Thermostats and Housings compatible with various models of this brand, use the dedicated category: Mercedes thermostats and housings. This will allow you to quickly compare available solutions and select the right component for a specific engine and body generation.
Practical Service Tips
Replacing the thermostat with valve in the OM642 engine is a good time to check the condition of the coolant, hoses, and other system components. Regular maintenance of the cooling system contributes to the lifespan of the powertrain and reduces the risk of costly repairs. If you want to better plan service work on your car, it is worth familiarizing yourself with practical tips in the article TOP 10 Most Frequently Replaced Parts in Your Car, where you will find advice on operation and prevention.
