20505543 Volvo FH13 D13A Water Pump Housing

What does a water pump housing do?

This water pump housing serves as the critical structural casting for the coolant circulation assembly on heavy commercial vehicle engines. It is designed to house the pump shaft, impeller, and bearing assembly while providing the necessary pathways for coolant flow between the engine and the radiator.

Vehicle and engine compatibility

This specific part is engineered for use in Volvo FH13 vehicles equipped with D13A engines. It maintains strict dimensional accuracy to ensure seamless integration within the engine cooling system, providing a reliable seal against high-pressure coolant flow.

Installation and maintenance

For professional installation, ensure all mounting surfaces are clean and free of debris. It is recommended to inspect the housing and surrounding seals during routine timing belt or cooling system maintenance to prevent leaks or thermal irregularities.

Troubleshooting guidance

Consult your authorized distributor to verify exact fitment for your specific engine configuration.

OE cross-reference

525.03.0001 (Water Pump Housing Water Pumps) is the equivalent of the Volvo OE number. This part directly replaces Volvo OE number 20505543.