This is the internal tooth lock washer that is used on the differential side cap bolts. 4 are required per axle and 8 are needed if you are doing the front and rear axle. Application: Dana 25, Dana 27, and Dana 23 rear axles. Fits:
1941-1945 MB (front and rear)
1945-1945 GPW (front and rear)
1945-1949 CJ-2A (front)
1949-1953 CJ-3A (front)
1953-1964 CJ-3B (front)
1955-1966 CJ-5 (front)
1950-1952 M38 (front)
1952-1966 M38A1 (front)
1947-1964 Willys Truck (front)
1946-1964 Willys Station Wagon (front)
1948-1951 Willys Jeepster (rear)
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