Webfeb 6, 2017 · this is how to replace the lock on your harbor freight us general tool box Webjan 16, 2021 · the lock and key on this tool chest didn't work so i replaced them. the lock and key replacement part number is #15938 for this tool chest which is item #5610. Check each product page for other buying options. Price and other details may vary based on product size and color. Us general tool box lock. 2 pack toolbox lock 5/8 tubular cam replacement lock hook cam…