A4412000301 Mercedes-Benz OM 441 Water Pump

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 continuous fluid motion, it prevents overheating and ensures the engine operates within its ideal thermal range even under high load conditions.

Vehicle and engine compatibility

This specific model is designed for use in Mercedes-Benz MK series vehicles featuring OM 441 engines. It is compatible with various configurations including the 1222, 1422, 1722, and 2422 models, ensuring precise fitment for diverse fleet requirements.

Maintenance and inspection guidance

When performing engine maintenance, it is recommended to inspect the water pump alongside the timing belt or alternator belt. Technicians should check for signs of leakage from the weep hole or unusual bearing noise to prevent potential engine damage.

Selection and reliability

Selecting a high-strength component ensures long-term reliability for heavy commercial vehicles. Check the compatibility list to ensure this part matches your specific engine configuration.

OE cross-reference

525.01.0031 (Water Pump Water Pumps) is the equivalent of the Mercedes-Benz OE number. This part directly replaces Mercedes-Benz OE number A4412000301.