21648908 Volvo B11R D11K Water Pump

What does a water pump do?

This water pump serves as a critical component in the engine cooling system, facilitating the continuous circulation of coolant between the engine block and the radiator. By maintaining stable thermal levels, it prevents engine overheating and ensures the longevity of internal engine components under heavy-duty operating conditions.

Vehicle and engine compatibility

This specific unit is designed for compatibility with Volvo B11R vehicles equipped with the D11K engine. It is engineered to meet the rigorous requirements of heavy commercial vehicle engines, providing reliable performance in various transport and construction environments.

Installation and maintenance

To ensure 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 regular service intervals to prevent unexpected downtime.

Troubleshooting and selection

Always verify compatibility with the specific engine code before installation to ensure a precise fit within the cooling circuit.

OE cross-reference

525.03.0016 (Water Pump Water Pumps) is the equivalent of the Volvo OE number. This part directly replaces Volvo OE number 21648908.