This urea corrosion resistant, vented product is designed to prevent tampering and possible contamination of diesel exhaust fluid. It includes single sided 2 cut keys and is keyed alike, allowing for multiple keys to be ordered with the same key code. Sold individually, this product fits most Ford F250-F750 trucks (excluding stock consumer models), as well as 2010-2019 Freightliner, 2010-2017 Kenworth, 2010-2017 Peterbilt, and 2010-2019 Western Star trucks. Please note that it is not compatible with the vehicle's ignition key. Ensure security and convenience with this practical and reliable solution.