20505543 Compatible Water Pump Housing — Volvo

What does a water pump housing do?

This water pump housing serves as the critical structural component for the coolant circulation system, ensuring precise alignment of the internal pump assembly. It is designed to withstand extreme thermal fluctuations and high-load operating conditions typical of heavy commercial vehicle engines.

Vehicle and engine compatibility

This component is specifically fitted to Volvo FH13 trucks equipped with D13B engines. It ensures reliable coolant routing between the engine block and the radiator, maintaining optimal operating temperatures for the engine during long service hours.

Installation and maintenance

When performing maintenance, it is recommended to inspect the housing for signs of coolant leakage or surface erosion. For professional installation, ensure all mounting surfaces are clean and use high-quality gaskets to prevent pressure loss within the cooling circuit.

Troubleshooting and selection

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.