the FX52409 filter fits with Barber Greene, Caterpillar Equipment
the FX52392-O filter fits with RACOR
the FX52392 filter fits with FLEETGUARD
the FX52378 filter fits with Ingersoll-Rand Air Source Plus 185Compressor with IRX3T Engine
the FX52372-S filter fits with John Deere Engines, Equipment, Trucks
the FX52364-O filter fits with Doosan Equipment