O2 sensor from a parts store was too small in diameter

[dJohnn]

Mine is a 1987 300ZX automatic non-turbo.
Has anyone had a problem where the O2 sensor from a parts store was too small in diameter?
I got an oxygen sensor for this car, it was a Bosch #13276; it does not match up. The diameter at the threads is smaller than the one in my ZX. I returned the part to the store so I do not have it at hand to give exact measurements. The Bosch #13726 is approximately 5/8" diameter at the threads (this is my guess), mine is approximately 15/16" diameter (at the threads). The size wrench for the 13726 is smaller (guessing again, it looked like an 11/16"), the sensor taken out of mine uses a 7/8" wrench.
The part taken from my car is a Nissan part (the logo is stamped on it), the number in full is: JECS LIC BOSCH A24-621 112-75132.
Is there a way to cross reference this number? Even Bosch's site does not recognize it.
I really do not want to get this from a dealer as the price will probably go up 2 to 3 times the amount from a parts store.
Any help is always appreciated.

[chickenhunterbob]

You need a Zirconium O2 sensor with a 22mm bolt head, '87 is different than most other years it seems.

I got one at Autopartsway.com, their part No (or it may be the Bosch number, not sure) is W0133-1617033, OE part # is 22690-09P01.

[AZ-ZBum]

http://www.redz31.net/pages/fuel.html