Vacuum Pump Mercedes W204 W212 M271820 271.820 Petrol Brake A2712301365

Vacuum Pump Mercedes W204 W212 M271820 271.820 Petrol Brake is an original, used coolant pump from the Water pumps group, designed for petrol engines in Mercedes vehicles. It is a technically precise cooling system component that ensures stable fluid circulation and supports the safe operation of the engine unit under a wide range of loads.

Specifications and technical data

• SKU: A2712301365
• Mark: Mercedes (Genuine OE)
• Condition: Used
• OEM Part Number: A2712301365
• Substitutable numbers: A2712301365, A 271 230 13 65
• Fuel type: Petrol
• Category: Water Pumps

Purpose and role in the cooling system

The presented water pump has been designed to work with M271 series petrol engines used in Mercedes W203 class models. It is responsible for the forced circulation of coolant between the engine block, cylinder head, and heat exchanger, which allows for maintaining a stable operating temperature and reducing the risk of engine overheating.

Thanks to a design consistent with the manufacturer's factory standards, the pump works with the stock engine equipment, maintaining proper flow and pressure parameters in the cooling system. This solution is particularly important for operation in urban conditions as well as during long-distance highway driving.

Benefits of using an original water pump

Using an original water pump in a Mercedes W203 with an M271 engine allows for maintaining the factory characteristics of the cooling system. In practice, this means:

• appropriately selected coolant flow efficiency,
• proper cooperation with the thermostat and radiator,
• reduction of the risk of local overheating of engine components,
• maintaining a stable operating temperature under various load conditions.

For the user, this translates into more predictable engine operation, a lower risk of failures related to overheating, and better working conditions for the engine oil. In the case of petrol engines such as the M271, proper cooling is crucial for the durability of seals, the cylinder head, and accessories.

Product characteristics and condition

The offered water pump is an original Mercedes brand component, sourced from dismantling, in used condition. This type of part is a good choice for users looking for a factory component with preserved geometry and mounting fitment, without the need to resort to replacements with uncertain parameters.

The pump belongs to the Water pumps group, which means it is designed to work in a cooling system with coolant, and its construction is adapted to the thermal and pressure conditions typical for Mercedes petrol engines. Before installation, it is recommended to perform a standard check of the cooling system (condition of hoses, radiator, thermostat) and replace the fluid with fresh one, in accordance with the vehicle manufacturer's specifications.

Selection by numbers and vehicle integration

The water pump is linked to a specific OEM part number and interchangeable numbers, which facilitates precise identification and selection for a given Mercedes W203 unit with an M271 engine. In practice, this means the possibility of verifying compatibility by part number, VIN, or the manufacturer's catalog, which minimizes the risk of purchasing an incompatible element.

Due to its factory origin, the pump retains the original mounting points and connection port geometry, which facilitates installation and allows for the use of existing hoses and accessories. This is a beneficial solution for both workshops and users servicing the vehicle themselves.

Technical support and additional materials

If you are planning a comprehensive repair or upgrade of the engine area in your Mercedes and need other elements from the same group, such as additional pumps, housings, or pump drive components, check the available parts in the Mercedes Water pumps category.

When selecting components for the fuel system and engine accessories, a guide on diagnostics and regeneration of fuel supply components may also be helpful – you can find a detailed discussion in the article "Fuel system – injectors, pumps, and fuel tank: maintenance and regeneration", which describes, among other things, the principles of selecting parts by OEM numbers and good operational practices.