03 Z71 correct oil filter

[hendedo]

Hello all. 03 Z 71 Tahoe, 5.3L 108K miles. all stock.
One book says AC Delco 46, another one says AC Delco 46E and owners book says AC Delco 44.
The 46E was on it and that is what we replaced it with. Just weird two different places have cross reference books with different info.

Which one is truly correct? Thank you.

 

[purple 'hoe]

AcDelco PF46, also a PF61 will also work. It's just a longer filter. I use a 46 on mine and always put 46's on the NBS 5.3/6.0