21280077 Volvo FM13 D13A Water Pump

What does a water pump do?

This water pump plays a vital role in the engine cooling system by circulating coolant between the engine and the radiator. By ensuring consistent flow, it helps maintain the ideal operating temperature required to prevent overheating during long-haul transport or high-load operations. Built with high-strength components, it is engineered to withstand the demanding thermal cycles of heavy commercial vehicles.

Vehicle and engine compatibility

This component is specifically compatible with Volvo FM series trucks, including models such as the FM 400, FM 360, FM 340, FM 380, FM 440, FM 480, FM 300, FM 390, and FM 430. It is designed to fit the Volvo FM13 equipped with the D13A engine code. This ensures precise fitment for fleet managers and workshop technicians looking for reliable replacement parts.

Installation and maintenance

When replacing this unit, it is recommended to inspect the drive belt and thermostat to ensure overall system integrity. Technicians should check for signs of coolant leakage from the weep hole or unusual bearing noise during routine inspections. Proper installation ensures that the cooling system operates at peak efficiency throughout its service life.

Troubleshooting and longevity

Maintaining a robust cooling system is essential for engine longevity in heavy-duty applications. Regular checks of the pump housing and impeller integrity can prevent sudden overheating issues in the field.

OE cross-reference

525.03.0020 (Water Pump Water Pumps) is the equivalent of the Volvo OE number. This part directly replaces Volvo OE number 21280077.