331.04.0002 Scania Compatible Fan Belt Tensioner

The fan belt tensioner is a critical mechanical component within the cooling system of heavy commercial vehicles. It maintains the driving belt at the correct tension, ensuring the fan rotates at its designed speed to manage engine temperature effectively. By automatically compensating for belt stretch caused by heat and mileage, this unit prevents slipping and ensures consistent torque transmission.

This component is specifically designed to fit Scania G I, P I, R I, and T series trucks. It is compatible with various engine configurations, including DC 9, DC 11, DC 12, DT 12, and DC 09 models. Whether fitted to a Scania P470 or an R480, this part ensures reliable cooling performance across the range.

To ensure proper operation, technicians should inspect the tensioner during routine maintenance intervals. Signs of wear include unusual belt noise or fluctuations in engine temperature. When replacing the unit, it is essential to verify that the pulley alignment and spring preload meet the manufacturer's requirements to prevent premature belt wear or system failure.

Maintaining a stable tension is vital for the longevity of the entire cooling assembly. Consult your authorized distributor to ensure this part meets your specific vehicle requirements.

OE cross-reference

331.04.0002 (Fan Belt Tensioner Fan) is the equivalent of the Dayco and Scania OE numbers. This part directly replaces Dayco OE number APV2381. It also replaces Scania OE numbers 1510699, 1753497, 1791073, 1859653.