Mercedes ML W164 Expansion Tank A1645000049 is an original cooling system component from the expansion tanks category, designed for use in Mercedes vehicles. A used expansion tank ensures stable engine operating conditions, allowing for proper compensation of coolant volume and maintenance of adequate system pressure. This is a solution for users seeking factory fitment and proven design while maintaining reasonable repair costs.
Specifications and technical data
- SKU: A1645000049
- Mark: Mercedes (Genuine OE)
- Condition: Used
- OEM Part Number: A1645000049
- Substitutable numbers: A1645000049, A 164 500 00 49, KD
- Category: Expansion & Overflow Tanks
Technical Characteristics of the Mercedes ML W164 Expansion Tank
The presented expansion tank is designed as an original cooling system component for the Mercedes ML W164 generation. The tank's construction allows for safe discharge of excess coolant, its return to circulation, and control of the working medium level. This ensures the cooling system maintains stable operating parameters, reducing the risk of engine overheating.
Original manufacturing ensures correct placement of connection spigots, mounting points, and accessory sockets, which translates to proper hose routing and secure mounting in the engine bay. The tank's geometry is adapted to the installation space in the ML W164, facilitating servicing and reducing replacement time.
Benefits of Using an Original Expansion Tank
Using an original expansion tank in the Mercedes ML W164 allows for maintaining the factory characteristics of the cooling system's operation. In practice, this means:
- secure fitment to existing brackets and hoses without the need for modifications,
- maintaining the manufacturer-specified working capacity of the tank,
- correct interaction with cooling system sensors and accessories,
- stable thermal conditions for the engine under typical and increased loads.
For the user, this means a lower risk of leaks, easier diagnosis of potential faults, and predictable vehicle behavior in urban traffic and on the road. Choosing an original component from the expansion tanks category is particularly important for vehicles where the cooling system operates under increased thermal load.
Condition, Origin, and Practical Application
The offered expansion tank comes from a dismantled Mercedes vehicle and is a used part, allowing for a combination of factory fitment with a favorable purchase price. This type of part is a good choice in situations where the existing tank has cracked, leaked, or shows signs of material wear, and the priority is to restore full cooling system functionality while maintaining the original design specifications.
Replacing the expansion tank in the ML W164 is a typical service operation, most often performed in case of coolant leaks, system bleeding problems, or visible housing damage. Using an original part helps reduce the risk of repeated service intervention in a short period.
Selection and Compatibility with the Cooling System
To correctly select an expansion tank for a specific version of the Mercedes ML W164, it is advisable to verify the part's compatibility with the vehicle's documentation or manufacturer's part numbers. The product has OEM markings and interchangeable numbers, which facilitates unambiguous identification and matching to a specific car instance. If in doubt, it is a good practice to compare the shape, spigot arrangement, and mounting points with the currently installed component.
By choosing this expansion tank, the user receives a component designed specifically to work with the Mercedes ML W164 cooling system, which minimizes the risk of installation problems and ensures predictable operating parameters after the repair is completed.
Alternative Mercedes Expansion Tanks and Circular Economy
If you are looking for other Mercedes expansion tanks for different models of this brand, check out the Mercedes expansion tanks available in our store to select the best-fitting part for your vehicle. A sensible choice of used parts from dismantling is not only cost-saving but also real support for a sustainable approach to car operation – you can find more on this topic in the article Circular Economy in Your Garage – How Used Parts Support the Environment and Your Budget.
