This front wheel hub dust cover is a protective chassis component installed on the front wheel hub of FAW Jiefang J6 heavy truck. It covers the outer end of the front wheel hub assembly, preventing mud, dust, rainwater and debris from splashing into the hub bearing chamber, protecting wheel bearings and hub sealing parts from contamination and damage. Manufactured from high-quality stamped steel plate with anti-rust coating, it maintains stable structural performance under strong vibration and harsh working conditions of long-distance heavy-load transportation. Each wheel cover undergoes dimensional inspection and anti-corrosion test before delivery. It solves the problem of early bearing wear caused by mud intrusion into the hub, serving as an essential replacement spare part for front axle maintenance.