21030340 Volvo FH D13B Water Pump

What does a water pump do?

This water pump serves as a critical component within the engine cooling system, ensuring the continuous circulation of coolant between the engine block and the radiator. By maintaining consistent thermal management, it prevents overheating during high-load operations in heavy commercial vehicles.

Compatible Volvo vehicles and engines

This component is specifically engineered for Volvo FH models, including variants 420, 460, 500, and 540. It is also compatible with Volvo FH13 units equipped with D13B engines. These parts are designed to meet the rigorous demands of long-haul transport and construction machinery environments.

Installation and maintenance guidance

For proper installation, technicians should verify that all mounting surfaces are clean and that the drive belt tension is within manufacturer specifications. Regular inspection of the pump housing and seals is recommended to prevent leaks or bearing wear during routine maintenance intervals.

Troubleshooting cooling issues

Maintaining a high-flow cooling cycle is essential for engine longevity in demanding conditions. If symptoms like coolant loss or rising engine temperatures occur, check this pump for signs of wear or leakage. Consult your authorized distributor.

OE cross-reference

525.03.0005 (Water Pump Water Pumps) is the equivalent of the Volvo OE number. This part directly replaces Volvo OE number 21030340.