That's the exact fitting I'm using, but I didn't get it from z1 so I paid about $2.00 for it. I bought two of them and wanted to tee both the stock oil and pressure.with each of my Defi sensors so 4 in total. I was able to do the oil pressure sensors (one of the pics shows it's setup) but I couldn't do the temp sensors because the OEM oil temperature probe isn't 1/8 bspt