Item # 4125628R 41-54
This is the dome light switch on the door jamb that has a black button. It's a simple on or off function. The black button must make contact with the door to operate properly and may possibly take shims to achieve this.
This part fits most 1941 1942 1946 1947 1948 1949 1950 1951 1952 1953 1954 Chevrolet Cars; exceptions may apply. Please read the complete description to see if this part fits your specific vehicle and application.