Had a quick look in Supacheap and couldn't find them in the reference book. As for the one in Zetland is it the one on Elizabeth st?
Don't worry bout genuine. They all meet or exceed the minimum standards. I'm just running a magna oil filter. Z142a
I just looked up the Z79A and Z142A and apart from some minor differences in the base(the way it's made by the looks), they seem identical?
Any ideas on the difference?
z56b is another one, which is a fatty one.. or z411 if you like the skinny ones..