Replace the Chevrolet GMC C10 truck ignition lock cylinder with NO key 1969 1972 Vintage car truck neiman steering column ignition switch lock cylinder assembly do not miss out on this hard to find part to set your car or truck apart from others at the car shows and cruises. Country/Region of Manufacture United States. Manufacturer Part Number 1932 1933 1934 1935 1936 1937 1938 1939 1940 1941.