Description Fleetguard FF5040 is a spin-on diesel fuel filter with M16 x 1.5 thread, approximately 86 mm overall height and 74 mm outside diameter, providing fine 2 micron filtration for modern fuel systems. It cross-references Donaldson P550345, Baldwin BF790, Bosch 1457434051, Hatz 50251500, JCB 32925755 and various OEM part numbers. Typical applications include Bukh marine engines DV8 and DV10LW, selected Deutz-Fahr tractors (D 2506, D 2807, D 3006, D 3607, DX 36) and Fendt Farmer and Lamborghini tractor models such as 503, 583 and 603.