PH3614
Fram PH10960
sfwe
That would be a Fram PH8172
Wix has a filter look up site that lists many equivalents. wixfilters.com The Wix filter for the Kohler 12-050-01 is a 51056.
Acording to the Fram Oil Filter reference guide, Kohler 12 050 01 s can be replaced with Fram PH8172.
Fram PH 8172
What is the fram oil filter cross reference for kohler part# kh-52-050-02-s
Equivalent to 052-050-02
12-050-01 may be a better number to search oil filter suppliers for a substitute. The Kohler oil filter 12-050-01 was superceeded to 12 050 01-S1. Fram still has the old number and it crosses to Fram filter PH8172
The Fram number is PH7575 or PH3614
Fram PH7575
PH3614