Probably becasue those are 98se files not 98 vanilla files. Find a 98se ISO and extract them from there.

Thats what Ive been looking at Windows 98 Second Edition.

Have you got them on your CD?
If so what version if the CD do you have?

The exact cabinet file location of these files is probably going to vary from one localized version to another, so it is pointless to ask people to make comparisons. The setup.txt file in the win98 directory has instructions (CAB FILE ERRORS) on how to manually dump the cabinet files using the Ext.exe utility. Instead of using *.* as indicated in the instructions, use the particular cabinet file names to dump them one at a time in order to see the contents of individual cabinet files. I would start with the highest numbered driver .CAB file and work backwards, i.e. if the highest is DRIVER20.CAB, start with that one and then do DRIVER19.CAB, etc.

That was the first thing I looked at when I discovered there was no 22, 23 cab files in the UK retail version of the CD.
I actually extracted them all and pointed Windows to look at the contents while loading its drivers and it couldnt find them either.

Right Ive managed to find all the files I think I need except I still cant find aha894x.sys