1957 1958 1959 CADILLAC DEVILLE ELDORADO NEW DIFFERENTIAL PINION SEAL 3 1/4" O.D

NEW REAR PINION SEAL. THIS FITS THE FOLLOWING CADILLAC VEHICLES 1957 TO 1959 ALL CADILLAC MODELS WITH THE FOLLOWING CARRIER CASTING NUMBERS 1960 TO 1969 CADILLAC ALL REAR WHEEL DRIVE MODELS. THIS SEAL REPLACES G.M. PART NUMBER".