8-98201369-0 CAP FUEL TANK W/KEY For ISUZU FRR 4HK1

The CAP FUEL TANK W/KEY is a specialized locking cap designed to seal the fuel tank securely while providing enhanced safety and security. Its primary function is to prevent fuel leakage, block contaminants such as dust, dirt, or water from entering the tank, and control evaporation of fuel vapors, which helps maintain system pressure and efficiency. The integrated key-lock mechanism serves as an anti-theft feature, ensuring that only authorized users can access the fuel tank—particularly important in commercial vehicles, construction equipment, agricultural machinery, and fleet operations.