20431135 Volvo VHD D12 Water Pump

What does a water pump do?

This water pump serves as a critical component within the engine cooling system, responsible for the continuous circulation of coolant between the engine block, cylinder head, and radiator. By maintaining steady flow, it prevents overheating and ensures the thermal stability of the heavy commercial vehicle engine during intensive operation.

Vehicle and engine compatibility

This specific unit is designed for Volvo VHD trucks featuring D12 engines. It provides a reliable replacement for the original cooling component, ensuring seamless integration into the existing engine architecture while meeting strict industrial standards for durability and performance.

Installation and maintenance

To ensure proper installation, technicians should inspect the mounting surfaces and the condition of the drive belt or gears during replacement. It is recommended to check the integrity of all cooling hoses and seals to maintain system pressure and prevent future leaks.

Troubleshooting guidance

Monitoring for common symptoms such as coolant weeping or unusual bearing noise can help identify when a replacement is necessary to prevent engine damage.

OE cross-reference

525.03.0003 (Water Pump Water Pumps) is the equivalent of the Volvo OE number. This part directly replaces Volvo OE number 20431135.