This is a new old stock auto part. NOS gm in old original gm box This is a 6 volt spot light bulb. This was used on had held over the counter accessory spot light sold by gm. could be used by all chevrolet buick oldsmobile , pontiac and cadillac owners. GM part # 451921
listed as fitting
- 1939 1940 1941 1942 1943 1944 1945 1946 1947 1948 1949 1950 1951 1952 1953 1954 gm all models