Up for Buy-It-Now is a new old replacement stock back-up light switch, Ideal part number 3560.  This item was obtained from an old service garage and is not a newly remanufactured part.  According to my Ideal Manual and enclosed instructional sheet, this is used on the following models and years:

1946-1954 Buick, Standard Transmission
1949-1953 Buick, Dynaflow Transmission
1954 Buick Buick, Dynaflow Transmission

1940-1948 Chevrolet, Standard Transmission
1949-1954 Chevrolet, Standard Transmission
1950-1954 Chevrolet, Powerglide Transmission

1940-1942 Chrysler, Standard Transmission
1946-1953 Chrysler, Standard Transmission

1940-1942 DeSoto, Standard Transmission
1946-1954 DeSoto, Standard Transmission

1940-1952 Dodge, Standard & Gyromatic Transmission

1940-1954 Ford, Standard Transmission
1951-1954 Ford, Fordomatic Transmission

1951-1954 Henry J, Standard Transmission

1946-1954 Hudson, Standard Transmission
1949-1954 Hudson, Hydramatic Transmission

1946-1954 Kaiser, Standard Transmission
1951-1954 Kaiser, Hydramatic Transmission

1940-1954 Mercury, Standard Transmission
1951-1954 Mercury, Mercomatic Transmission

1941-1953 Nash, Standard Transmission
1954 Nash, Standard Transmission

1942-1954 Oldsmobile, Hydramatic Transmission

1940-1954 Plymouth, Standard Transmission
1953-1954 Plymouth, Powerflite Transmission

1941-1952 Pontiac, Standard Transmission
1949-1954 Pontiac, Hydramatic Transmission

1946-1952 Studebaker, Standard Transmission
1948-1952 Studebaker, Overdrive Transmission
1950-1954 Studebaker, Automatic Transmission

  The switch is listed as a pull type switch. It is in brand new, never used condition and is free of any damage.  There is an instruction sheet also enclosed with the switch.  Please feel free to E-mail me questions.  International bidders are always welcome.  Thanks for looking!!!