Mercedes-Benz Vito W639 Coolant Expansion Tank Holder Bracket A6395011420

Mercedes-Benz Vito W639 Coolant Expansion Tank Holder Bracket is an original mounting component from the Expansion tanks group, designed for stable positioning of the tank within the engine bay. The precise geometry of the bracket ensures proper support and reduces unwanted vibrations, which promotes trouble-free operation of the cooling system. This is a practical solution for users who want to restore the factory mounting of the tank in their Mercedes Vito W639.

Specifications and technical data

• SKU: A6395011420
• Mark: Mercedes (Genuine OE)
• Condition: Used
• OEM Part Number: A6395011420
• Substitutable numbers: A6395011420, A 639 501 14 20
• Category: Expansion & Overflow Tanks

Purpose and function of the bracket

The tank holder bracket is responsible for securely fastening the expansion tank in the vehicle, ensuring it maintains the correct position relative to other cooling system components. A properly selected bracket:

• keeps the tank in a stable position while driving,
• reduces the transmission of vibrations from the body and engine,
• lowers the risk of damage to connectors and connection hoses,
• helps maintain the correct operation of the cooling system under various operating conditions.

Thanks to the use of a dedicated mounting component, compatibility with the vehicle's factory design is maintained, which facilitates service and subsequent inspections.

Compatibility with Mercedes Vito W639

The presented bracket has been designed specifically for the Mercedes Vito W639 generation, which translates into a proper fit with the factory mounting points in the body. This means that the component works with the original expansion tank and the hose routing system provided by the manufacturer.

Such a solution allows you to avoid modifications, creating custom adapters, or using universal brackets that may impair the durability of the assembly. Factory fitment helps maintain the tightness and proper operation of the entire cooling system.

Characteristics of the used component

The offered bracket comes from dismantling, which means it is a used part, but still intended for further use. Such mounting components are not subject to typical wear and tear like moving parts, which is why in many cases they represent a technically sound choice for vehicle repairs.

Choosing an original, used bracket allows you to maintain structural consistency with other cooling system components while reducing costs compared to purchasing a new part.

Benefits of using a dedicated bracket

Using the correct expansion tank bracket in a Mercedes Vito W639 brings a number of practical benefits:

• Stable tank support – reduces the risk of cracks in the housing and connection ports.
• Better vibration resistance – reduces mechanical stress acting on the tank and hoses.
• Easier assembly and disassembly – factory mounting points speed up service work.
• Maintaining the original cooling system geometry – important for diagnostics and future repairs.

For workshops and individual users, this means more predictable assembly and a lower risk of future problems.

Technical support and additional information

When selecting mounting components for the cooling system, it is worth paying attention to compatibility with the specific body and engine version to avoid improper fitment. In case of doubt, it is helpful to compare the shape of the bracket and the arrangement of the mounting points with the component currently installed in the vehicle.

If you are planning a comprehensive repair or upgrade of the cooling system area in your Mercedes and need other components from the same group, such as additional holders, supports, or mounting covers, check the available parts in the Mercedes expansion tanks category.

For drivers interested in broader vehicle diagnostics, especially for diesel units, an article describing the symptoms and consequences of improper injector operation may be helpful – you can find it here: Diesel injector faults – how to recognize them and the risks of neglecting them.