This fuel tank cover assembly is an exterior protective component for FAW heavy truck fuel tank. It is installed outside the fuel tank to protect the fuel tank from impact, stone hitting and mud splash during driving. Made of high-strength anti-corrosion material, it has good rigidity and weather resistance, adapting to complex outdoor and long-haul working conditions. The assembly is manufactured with precise cutting and punching to match the original installation position. It can effectively reduce external damage to the fuel tank and extend service life. Each fuel tank cover assembly undergoes dimensional inspection and appearance quality check before delivery, which is an essential replacement part for truck body maintenance.