Description Fleetguard FF167A is a 12 micron diesel fuel filter cartridge for CAV‑style fuel filter heads, approximately 71 mm in length and 88.5 mm in outer diameter. It is equivalent to Delphi HDF296/CAV296 and cross‑references Donaldson P557111, Baldwin BF825, Fram C1191A, Ryco R2132P, Volvo Penta 3581078/41109003, Perkins 26561117 and other OEM part numbers, and is widely used on agricultural tractors and industrial engines using this filter type.