442 200 12 01 Water Pump for Mercedes-Benz

What does a water pump do?

This water pump serves as a critical component within the engine cooling system, responsible for circulating coolant between the engine block and the radiator. By maintaining steady fluid movement, it prevents overheating and ensures the engine operates within its designed thermal limits even under high loads.

Compatibility and application

This specific component is designed for use in Mercedes-Benz heavy commercial vehicles. It provides reliable performance for truck and bus engines where consistent thermal management is required to prevent serious engine damage caused by overheating.

Maintenance and inspection

When inspecting the cooling system, technicians should check for signs of failure such as coolant leaks from the weep hole or unusual bearing noise. For optimal maintenance, it is recommended to inspect the pump during routine belt service intervals to ensure the integrity of the internal impeller and seals.

Failure symptoms

Selecting a high-strength component helps prevent sudden engine temperature spikes and extends the service life of the entire cooling assembly.

OE cross-reference

525.01.0020 (Water Pump Water Pumps) is the equivalent of the Mercedes-Benz OE number. This part directly replaces Mercedes-Benz OE number 4422001201.