The ignition and driver side door, were keyed-alike from the factory. On the Custom Cab equipped trucks, the passenger side door lock and the glove box lock were all keyed-alike, matching the single key for the ignition and driver side door. You can also purchase a kit, with all four tumblers from the ususal suspects, but "buyer-beware", with the quality, fit & finish, since all tumblers were not created equal.