20451516 Compatible Water Pump — Volvo B9R

What does a water pump do?

This water pump serves as a critical component within the engine cooling system, ensuring the constant circulation of coolant between the engine block and the radiator. By maintaining stable thermal regulation, it prevents engine overheating during intensive operation. The assembly is built with high-strength components to resist cavitation and mechanical wear.

Vehicle and engine compatibility

This specific unit is designed for use in Volvo B9R trucks equipped with D9B engines. It provides a reliable replacement for heavy-duty commercial vehicle applications, ensuring precise flow rates required by the engine management system. Check the compatibility list for your specific vehicle configuration.

Installation and maintenance

For optimal performance, technicians should inspect the pump housing and mechanical seals during routine cooling system maintenance. It is recommended to check for any signs of coolant leakage or unusual bearing noise during belt service intervals to ensure the longevity of the entire cooling circuit.

Troubleshooting and selection

When replacing this component, ensure that all gaskets are correctly seated to prevent pressure loss within the system.

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.