20539530 Volvo FM13 D13B Engine Water Pump Housing

What does a water pump housing do?

This water pump housing serves as the critical structural casing for the coolant circulation assembly within the engine cooling system. It provides the necessary mounting points and internal passages required to guide coolant flow through the engine block and radiator, ensuring stable thermal management during heavy-duty operation.

Vehicle and engine compatibility

This specific component is designed to fit Volvo FM13 vehicles equipped with the D13B engine. It ensures precise alignment for the pump shaft and impeller, maintaining the structural integrity required for continuous heavy commercial vehicle service.

Maintenance and installation

During maintenance or repair, it is recommended to inspect the housing for any signs of coolant weeping or surface cracks. For optimal performance, this component should be installed following standard heavy-duty service protocols to ensure a secure seal against the engine block.

Troubleshooting guidance

To ensure correct fitment, verify that the mounting points and port locations match your existing engine configuration. Consult your authorized distributor for further information.

OE cross-reference

525.07.0001 (Water Pump Housing Water Pumps) is the equivalent of the Volvo OE number. This part directly replaces Volvo OE number 20539530.