21974078 Compatible Water Pump — Volvo B13R

What does a water pump do?

This water pump functions as a vital component within the engine cooling system, ensuring the continuous circulation of coolant between the engine block and the radiator. By maintaining steady flow, it prevents overheating and protects high-strength engine components from thermal stress during heavy-duty operation.

Vehicle and engine compatibility

This specific model is designed for use in Volvo B13R vehicles equipped with D13K engines. It provides reliable performance for heavy commercial vehicle applications, ensuring the cooling system operates under peak efficiency.

Installation and maintenance

Technicians should inspect the pump during routine belt service or when signs of coolant leakage appear. Ensuring proper alignment and sealing during installation is critical for preventing system pressure loss and maintaining stable operating temperatures.

Troubleshooting guidance

Check the compatibility list to ensure this part meets your specific engine requirements.

OE cross-reference

525.03.0009 (Water Pump Water Pumps) is the equivalent of the Volvo OE number. This part directly replaces Volvo OE number 21974078.