1937-1938 Voltage Regulator Auto-Lite NOS (new old stock). Item part number is VRP-4101A. Fits the following:

1937 Chrysler
1937 Desoto
1937 Dodge
1937-1938 Dodge Truck

Contact seller for more information if needed: 520-275-4623. Tucson Packard quality parts through the years, 40 years experience working with all makes and models of Packard auto and other auto parts. (21706)