Water Pump Mercedes W213 Diesel OM654 Engine Coolant Pump A6542010010

Water Pump Mercedes W213 Diesel OM654 Engine Coolant Pump is an original cooling system component from the Water pumps group, designed for OM654 diesel units. This used OEM part ensures factory-fit, stable operating parameters, and proper cooling of the diesel engine, which translates into safe operation and predictable performance of the powertrain.

Specifications and technical data

• SKU: A6542002300-1
• Mark: Mercedes (Genuine OE)
• Condition: Used
• OEM Part Number: A6542002300
• Substitutable numbers: A6542002300, A 654 200 23 00
• Fuel type: Diesel
• Category: Water Pumps

Purpose and role in the cooling system

The presented water pump is dedicated to Diesel OM654 engines used in Mercedes W213 class models, where it is responsible for the forced circulation of coolant in the engine block and accessories. A properly functioning water pump stabilizes the operating temperature, reduces the risk of overheating, and supports even heat dissipation from critical areas of the engine.

In modern diesel engines, maintaining the correct temperature is crucial for component durability, proper operation of the injection system, and maintaining correct combustion parameters. Using an original dismantled pump allows you to maintain the factory flow characteristics and compatibility with other cooling system components.

Construction, fitment, and operating parameters

The water pump in this offer has been designed specifically for the OM654 engine architecture, ensuring precise fitment with the engine block and coolant hoses. The OEM design guarantees compliance with factory mounting points, proper sealing, and compatibility with standard engine accessories.

In practice, this means:

• maintaining the coolant circulation designed by the manufacturer,
• proper cooperation with the thermostat and radiator,
• stable operating conditions for the diesel engine across a wide range of loads,
• reducing the risk of leaks resulting from ill-fitting aftermarket replacements.

By using an original pump from the Water pumps group, you minimize the risk of compatibility issues that may arise with randomly selected non-original parts.

Benefits of using an original water pump

Choosing a used, original water pump for a Mercedes W213 with a diesel engine is a solution that combines cost control with the maintenance of high technical quality. This type of component provides:

• factory fitment for the OM654 unit without the need for modifications,
• maintenance of operating parameters specified by the vehicle manufacturer,
• consistency with the cooling system and engine management,
• the possibility of economical repair without sacrificing OEM parts.

A used water pump is a good choice for maintenance repairs when you want to maintain the original vehicle specification while keeping a rational service budget.

Selection by part numbers and technical support

To ensure full compatibility with your Mercedes, it is recommended to select the water pump based on the OEM number or vehicle data. Verification by numbers allows you to avoid installation errors and guarantees that the component will work with the specific version of the engine and accessories.

If you want to deepen your knowledge about diagnostics and the selection of power supply elements and cooperating components, it is worth reading the educational material regarding the fuel system, which discusses, among other things, the selection of parts by OEM and VIN numbers – details can be found in the article Fuel system – injectors, pumps, and fuel tank: maintenance and regeneration.

Expanding the cooling system in a Mercedes

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, fluid circulation elements, or related cooling modules, check the available parts in the Mercedes Water pumps category.