lf no.：fk-4179a
cross reference：17801-2020 17801-2090
cross reference：17801-2270 3i-0794
fleetguard：af421m
largest od: 306(mm)
intrnal diameter:197(mm)
overall height:418/ 406(mm)
lf no.：fk-4179b
cross reference：60034315
fleetguard：af821m
largest od: 194(mm)
intrnal diameter:154(mm)
overall height:393/ 381(mm)