3801102 Volvo B9TL D9B Engine Water Pump

What does a water pump do?

The water pump is a vital component of the engine cooling system, responsible for continuously circulating coolant between the engine block and the radiator. This process is essential to prevent overheating and ensure the engine operates within its optimal temperature range during heavy-duty service.

Vehicle and engine compatibility

This specific unit is compatible with Volvo B9TL models equipped with the D9B engine. It is engineered to meet the rigorous demands of heavy commercial vehicle applications, providing reliable performance for bus and truck engines under continuous load.

Maintenance and inspection guidance

When performing engine maintenance, it is recommended to inspect the pump for signs of coolant leakage from the weep hole or unusual bearing noise. For optimal system reliability, technicians should inspect the pump alongside belt-driven components during scheduled service intervals.

Service recommendations

VADEN ORIGINAL products are developed considering high temperature and vibration environments. Consult your authorized distributor to confirm exact fitment for your specific engine configuration.

OE cross-reference

525.03.0006 (Water Pump Water Pumps) is the equivalent of the Volvo OE number. This part directly replaces Volvo OE number 3801102.