the AX23859 filter fits with DONALDSON
the AX23856 filter fits with IVECO
the AX23848-FN filter fits with GRAINGER
the AX23846 filter fits with Daewoo, Kawasaki, Kobelco, Komatsu Equipment; Hino, Mitsubishi Trucks
the AX23844 filter fits with BOSCH
the AX23843 filter fits with MANN & HUMMEL