lf no.：fk-4055a pu
cross reference：6i-2507
donaldson: p532507
fleetguard：af25288m
largest od: 318 (mm)
intrnal
diameter: 209(mm)
overall
height: 390/ 381 (mm)
lf
no.：fk-4055b pu
cross reference：6i-2508
donaldson: p532508
largest od: 210/189
(mm)
intrnal
diameter: 156
(mm)
overall
height: 299 (mm)