20464403 Volvo FH16 Compatible Water Pump

What does a water pump do?

This water pump plays a critical role in the engine cooling system by circulating coolant between the engine and the radiator. By maintaining consistent fluid flow, it prevents overheating and ensures the engine operates within its optimal temperature range during heavy commercial vehicle operations.

Vehicle and engine compatibility

This component is compatible with Volvo FH16 III variants including 550, 750, and 650 models, as well as the Volvo FH series (400, 440, 480, 500, 520) and Volvo FH16 II variants. It is specifically engineered to meet the rigorous demands of these heavy-duty truck engines.

Installation and maintenance

When performing engine maintenance, it is recommended to inspect this pump alongside the timing belt or alternator belt service. Technicians should check for signs of coolant leakage from the weep hole or unusual bearing noise to prevent unexpected downtime.

Troubleshooting guidance

Consult your authorized distributor to ensure correct fitment for your specific engine configuration.

OE cross-reference

525.03.0021 (Water Pump Water Pumps) is the equivalent of the Volvo OE number. This part directly replaces Volvo OE number 20464403.