20734268 Volvo FM12 D12D Water Pump

The water pump plays a vital role in the engine cooling system by continuously circulating coolant between the engine block, cylinder head, and radiator. This ensures that the engine operates within its intended temperature range, preventing overheating during intensive tasks. For heavy commercial vehicles, this component must manage high temperatures and constant vibration to ensure long-term reliability.

This specific unit is engineered for Volvo FM12 models, including variants such as the FM 12/460, FM 12/380, FM 12/340, FM 12/420, and the H-series models like the FM 12H/420, FM 12H/380, and FM 12H/340. It is perfectly compatible with the D12D engine series found in these heavy-duty applications.

When performing routine maintenance or belt replacements, it is recommended to inspect the water pump for signs of leakage from the weep hole or unusual bearing noise. Ensuring the pump is in good condition helps prevent sudden engine overheating. Proper installation ensures stable coolant flow through the entire cooling circuit.

Consult your authorized distributor to confirm precise fitment for your specific engine configuration.

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 20734268.