21941086 Volvo VNL D13 Water Pump

What does a water pump do?

This water pump plays a critical role in the engine cooling system by continuously circulating coolant between the engine block, cylinder head, and radiator. For heavy commercial vehicle engines, maintaining consistent thermal management is essential to prevent overheating and ensure long service life under high-load conditions.

Compatibility with Volvo VNL D13

This component is specifically compatible with Volvo VNL trucks featuring the D13 engine. It is designed to meet the rigorous demands of tractor units and heavy-duty machinery, ensuring precise fitment and reliable performance within the cooling circuit.

Maintenance and inspection

Technicians should inspect the pump for signs of coolant leakage from the weep hole or unusual bearing noise during routine maintenance. It is recommended to check the pump alongside timing belt or alternator belt services to ensure the entire cooling assembly remains in optimal condition.

Selection guidance

When selecting a replacement, verify that the new unit matches the specific engine requirements to maintain system integrity. Consult your authorized distributor to confirm exact fitment for your vehicle's configuration.

OE cross-reference

525.03.0016 (Water Pump Water Pumps) is the equivalent of the Volvo OE number. This part directly replaces Volvo OE number 21941086.