This 8511015-H11A0 upper fender assembly (upper mudguard assembly) is the exterior body accessory for Dongfeng heavy-duty truck wheel housing. It is mounted above the wheel, blocking mud, gravel and water splashed by tires to protect the cab body, wiring harness and chassis components from abrasion and corrosion. Reinforced engineering plastic shell, high toughness, anti-aging and impact-resistant for rough road conditions. Precision molded mounting holes for easy installation and stable fixation. Each upper fender assembly undergoes appearance inspection and size checking before delivery. It is an essential replacement spare part for truck cab body exterior maintenance.