This Dongfeng truck pulley is a transmission accessory for the engine belt drive system. It transmits power through the engine belt to drive accessories such as fan, air compressor and generator. Made of high-strength cast metal, anti-rust and wear-resistant. Precision grooving ensures good fit with the belt, preventing belt slipping and abnormal noise. Strict dynamic balance treatment reduces vibration during high-speed rotation. Each pulley undergoes appearance inspection and size test before delivery. It is an essential replacement spare part for Dongfeng heavy truck engine maintenance.