85000486 Volvo B9TL engine water pump

The water pump serves as a critical component within the engine cooling system, responsible for circulating coolant between the engine block and the radiator. This ensures that thermal loads are managed effectively, preventing engine overheating during continuous operation in heavy commercial vehicle applications.

This specific water pump is designed to fit Volvo B9TL models equipped with D9B engines. It is built to meet the rigorous demands of bus and heavy-duty engine environments, ensuring precise flow rates and structural integrity during high-temperature cycles.

For optimal performance, technicians should inspect the pump during routine belt service. It is recommended to check for signs of coolant leakage from the weep hole or unusual bearing noise. Replacing this component alongside timing or alternator belts can prevent unexpected downtime during maintenance intervals.

Consult your authorized distributor to ensure 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 85000486.