Description Fleetguard FF2200 is a spin-on secondary (pressure-side) diesel fuel filter with synthetic Stratapore media for Cummins heavy-duty engines. It is commonly used on Cummins ISX and X15 engine applications and other equipment specified for Cummins 4088272 or 4920586 filters. Cross references include Alliance ABPN10GFF2200, Baldwin BF7766, Donaldson P552200, Mann WK10005, Wix 33711/533711, Luber-Finer LFF2201, Hastings FF1154, Fram P9644, and equivalent numbers.