Willys Jeep Front Axle Parts for Dana 25 and 27. The Dana 25 Axle was found in most 1945-1949 Jeep CJ2A, 1949-1953 Jeep CJ3A, 1953-1964 Jeep CJ3B, 1955-1960 Jeep CJ5 and 1955-1960 Jeep CJ6 Models. The Dana 27 Axle was found in most 1961-1971 Jeep CJ5 and 1961-1971 Jeep CJ6 Models.