A good locksmith ought to be able to extract (pick) the lock cylinder out of the assembly and then open it up to cut a key to fit or rekey it. Once that's done, a replacement door lock cylinder can be keyed the same to give you a matched set.
~ Dan 1951 Chevy 3 window 3100 Follow this story in the DITY Gallery "My Grandpa Carl's Truck and How it Became Mine" 1966 Chevelle (Wife's Hot Rod) | 2013 Chevy Silverado (Current daily driver) US Army MSG Retired (1977-1998) | Com Fac Maint Lead Tech Retired (1998-2021)
