20431584 Compatible Water Pump Housing — Volvo FH13

What does a water pump housing do?

This water pump housing serves as the critical structural casting that supports the internal components of the coolant circulation pump. Bolted directly to the engine block or timing cover, it houses the shaft, impeller, and seals while managing coolant flow through internal passages to prevent engine overheating.

Compatible vehicles and engines

This component is specifically engineered for Volvo FH13 trucks equipped with D13B engines. It ensures reliable thermal management and maintains strict dimensional accuracy under high-pressure operating conditions common in heavy commercial vehicle service.

Installation and maintenance

During installation, technicians should ensure all mounting surfaces are clean and inspect the coolant passages for any debris. It is recommended to inspect the housing and related seals during routine timing belt or alternator belt service intervals to prevent leaks.

Troubleshooting guidance

Maintaining a stable coolant flow is vital for engine longevity. If you notice signs of coolant leakage or unusual noise from the front of the engine, verify the integrity of this housing component immediately.

OE cross-reference

525.03.0024 (Water Pump Housing Water Pumps) is the equivalent of the Volvo OE number. This part directly replaces Volvo OE number 20431584.