Searching for lower bank O2 sensor

[RobC71]

In need of Lower bank o2 sensor for 99 TJ with the 4.0.Anyone know where I can find one ?Looked everywhere that I know of and nobody has them in stock.Did they stop making the NTK 23099 sensor?I see some Denso and Bosch replacements but I read on here the NTK'S are the best.

 

[JMT]

In need of Lower bank o2 sensor for 99 TJ with the 4.0.Anyone know where I can find one ?Looked everywhere that I know of and nobody has them in stock.Did they stop making the NTK 23099 sensor?I see some Denso and Bosch replacements but I read on here the NTK'S are the best.

https://www.ebay.com/itm/1752618320...d=link&campid=5337789113&toolid=20001&mkevt=1