The Fram website crosses the generac 070185B to a Fram PH4967 but mentions this should be verified.
PF4967
yes
0D9723
The Fram Fiters cross reference guide does not list OG5894.
Any auto parts store will be happy to cross reference this filter for you.
I put one on a VM 3cyl. Diesel Generator.
Generac Filter OC8127 is a 1st choice Wix Filter 49227 http://www.wixfilters.com/filterlookup/PartDetail.asp?Part=49227 Last choice Fram CA101 http://www.power-21.com/FramPower21i/PartDetailWindow.aspx?b=F&pn=CA101 The Fram CA101 has a slightly smaller inside diameter opening than the General 0C8127 Air Filter
A NAPA 1348 crosses with a Cat filter number 220-1523 and a Cat 3013 engine takes a cat 220-1523 so yes if you have a cat 3013 engine in your CAT generator
Part Number is 122-0810 per owners handbook.
Get a guardian
In computing, a hardware random number generator is an apparatus that generates random numbers from a physical process.
That is an engine model number of the Kohler engine on the generator. Look on the generator end or on the control box for a similar metal tag that says "Kohler Generator" and it will have something like "6.5R22" with a spec and serial number listed below that in separate fields on the nameplate.