2 Pack P556916 Donaldson Fuel Filter, Spin On Secondary.
Cross References:
ACDelco 12916
ACDelco T916D
Baldwin Filters BF581
Baldwin Filters BF5810
Baldwin Filters BF5810B
Baldwin Filters BF5816
Baldwin Filters BF7612
Baldwin Filters BF7640
Caterpillar 8T-3910
Fleetguard FF206
Fleetguard FF5206
Fleetguard FF5227
Fleetguard FF5333
and many more cross references to add.