Fram CA101
Guardian OG5894 is not in the Fram Filters cross reference guide.
The Fram Fiters cross reference guide does not list OG5894.
the part number is 0C8127 ( it's zero and in the number, not O as in the letter) Ther fram part number is CA101
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
PF4967
yes
0D9723
The Fram website crosses the generac 070185B to a Fram PH4967 but mentions this should be verified.
The FRAM filter cross reference for 394019 is PH3614.
No Such Fram Filter
PZ0019 is not in the Fram Filters cross reference guide.
The Fram oil filter cross reference guide lists Fram's PH10060 as a cross reference for Mopar/Chrysler/Mitsubishi 04892339AA.