Iv not had the time to do the rebuild yet but here is some info I found that could be helpfull
Panda axle bearings
Diff bearings x2 SNR EC 12162
Fiat no.7546497
35x66x10
Pinion bearings 1x STEYR 69.087.06 FOO
Fiat 5947944? Large
piñon 1x STEYR 32007cxsv74. FOO
Fiat 5990098? Small
Panda half shaft seals
2x 26-47-7 seals
Panda pinion seal 1x 36-56-10
Sun gear fiat 5933626