This 8511020-H18A0 left front fender assembly is OEM wheel arch body part for Dongfeng Tianlong GX / KX flagship heavy-duty tractors. Installed above left front wheel between bumper and A-pillar, it blocks mud, gravel and stone splashes, protects wheel and cab internal components, optimizes aerodynamics and beautifies exterior appearance. Made of PP+EPDM modified polypropylene composite material, it has strong impact resistance, low temperature resistance and anti-aging property. Pre-punched mounting holes match original vehicle perfectly without cutting. Each fender undergoes dimension inspection and impact test before shipment, ideal replacement for damaged left front fender.