20451516 Volvo B9TL D9B Water Pump

What does a water pump do?

The water pump is a critical component of the engine cooling system that facilitates the continuous circulation of coolant between the engine block and the radiator. This ensures that thermal loads are managed effectively during operation, preventing engine overheating in heavy commercial vehicle engines.

Vehicle and engine compatibility

This specific unit is engineered for compatibility with Volvo B9TL vehicles equipped with D9B engines. It is designed to meet the rigorous demands of bus and heavy-duty engine environments, ensuring consistent flow even under high-load conditions.

Maintenance and inspection

For optimal performance, technicians should inspect the pump during routine belt or cooling system maintenance. It is recommended to check for signs of wear such as bearing noise or coolant leakage from the seal area to prevent unexpected downtime during service intervals.

Selection guidance

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 20451516.