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    Diesel Locking Fuel Caps

    Heavy duty versions of our innovative, durable fuel caps are available to fit all industrial and diesel engine applications.

    OE Quality for the Aftermarket

    OEM-caliber fuel caps are rich in features that keep the fuel system operating properly and safely. Green color reminds motorists that the vehicle is only compatible with diesel fuel. Features a locking mechanism to prevent theft, vandalism, or accidental incorrect fluid fills.