39079443M1 is a genuine AGCO fuel filter cartridge, and it is confirmed as the correct fuel filter for the Challenger WR9740 windrower through the shared AGCO Power engine filtration platform. This is a cartridge-style filter insert designed to fit into the fuel filter housing. It features a double-layer media construction combining cellulose and melt-blown synthetic layers, which increases particulate holding capacity for longer filter life while improving water separation. efficiency
