21284318 Compatible Water Pump Housing — Volvo

What does a water pump housing do?

This water pump housing serves as the primary structural casing for the coolant circulation assembly within the engine cooling system. By securing the internal impeller and shaft, it facilitates the vital movement of coolant through the engine block and radiator to prevent overheating in heavy commercial vehicles.

Compatible vehicles and engines

This specific component is engineered for compatibility with Volvo FM13 trucks featuring D13A engines. It is designed to meet strict OEM tolerances to ensure a precise fitment within the cooling circuit, maintaining structural integrity under high thermal and mechanical stress.

Installation and maintenance

When performing cooling system maintenance, technicians should inspect the housing for any signs of coolant weeping or surface cracks. It is recommended to check all mounting points and seals during routine engine service to prevent sudden thermal failures.

Troubleshooting guidance

Consult your authorized distributor to confirm 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 21284318.