The rear axle seals for the Sedan are not the same as for the Wagon/Ranchero/SD.
The (early, Six cylinder) Sedan rear axle uses C0DW-1177-A, CR11533, NAPA 11533, OD = 2.035 (2-1/32") ('61-65 ?)
The (early, Six cylinder) Ranchero/Wagon/Sedan Delivery uses C1DZ-1177-A, OD = 2.065 (2-1/16") ('61-65 ?)