21648712 Volvo B11R D11K Water Pump

What does a water pump do?

This water pump plays a vital role in the engine cooling system by circulating coolant between the engine block and the radiator. By maintaining consistent fluid flow, it prevents engine overheating and ensures stable operating temperatures even under heavy-duty service conditions.

Vehicle and engine compatibility

This specific component is designed for compatibility with Volvo B11R trucks featuring the D11K engine. It serves as a reliable replacement for original equipment to maintain the integrity of the cooling circuit in heavy commercial vehicles.

Installation and maintenance

When replacing this component, it is recommended to inspect the timing belt or alternator belt as part of the routine maintenance. Ensuring all seals and connections are secure during installation helps prevent future coolant leaks or pressure drops within the system.

Troubleshooting guidance

Monitoring for symptoms such as coolant leaks from the weep hole or unusual bearing noise can help identify potential failures before they lead to engine overheating.

OE cross-reference

525.03.0009 (Water Pump Water Pumps) is the equivalent of the Volvo OE number. This part directly replaces Volvo OE number 21648712.