PH6607
PH4967. Fram specifically says the Kohler 7.3E uses this filter
There is a Fram filter which can be used to replace a 70185B. The Fram equivalent to use is the PH3614.
According to Fram's website the equivalent is a PH10060.
Fram PH7317
Fram PH-9837
Fram PH10960
fram ph-16
crosses with john deere am101207 and fram ph8170
Fram equivalent is PH30 and other oil filter you might want to consider is WIX 51069
It PF 61 crosses over to Fram PH9837 and PH3675
PH 7317.
The FRAM Filters cross referencae guide lists FRAM PH3614 for the CATERPILLAR 220-1523.