20744939 Volvo FMX II Compatible Water Pump

What does a water pump do?

This water pump serves as a critical component within the engine cooling system, responsible for circulating coolant between the engine and the radiator. By maintaining consistent fluid flow, it prevents engine overheating and ensures stable thermal management during heavy-duty operation. This part is manufactured using high-strength components to withstand the rigors of commercial vehicle service.

Compatible Volvo truck models

Designed specifically for heavy commercial vehicles, this unit is compatible with several Volvo models including the FMX II (330, 370, 380, 400, 420, 430, 440, 460, 480, 500, 520, 540), the FM series (300, 340, 360, 380, 390, 400, 430, 440, 480), and the standard FMX (400, 440, 480) trucks. This component is an ideal replacement for OE-reference parts in these specific engine configurations.

Installation and maintenance

To ensure a successful installation, technicians should inspect the timing belt or alternator belt during replacement and check all coolant hoses for wear. It is essential to verify that all connection points are secure to prevent leaks. Maintaining the cooling system integrity helps prevent bearing play or impeller erosion.

Troubleshooting and inspection

Regular inspection of the pump housing and seals can help identify potential failures before they lead to significant engine overheating issues.

OE cross-reference

525.03.0006 (Water Pump Water Pumps) is the equivalent of the Volvo OE number. This part directly replaces Volvo OE number 20744939.