Shock Stabilizer fits: 1939 Packard series 1700-1701 1A, 2, 3, 3A, 5; 1940 Packard series 1801 1A, 3, 3A, 4, 5, 6, 7, 8; 1941 Packard series 1900-1901 1A, 3, 3A, 4, 5, 6, 7, 8. There is a $50 Core Charge. Contact seller for more information if needed. Quality parts through the years, 40 years experience working with all makes and models of Packard auto and other auto parts.(1016)