lf no.：fk-4119a
cross reference：128781a1
donaldson: p536940
fleetguard： af25524
largest od:138(mm)
intrnal diameter: 83(mm)
overall height: 392/ 383(mm)
lf no.：fk-4119b
cross reference：128782a1
donaldson: p536941
fleetguard：af25521
largest od:84/78(mm)
intrnal diameter: 63 (mm)
overall height: 377(mm)