o2 sensor help

[350znut]

Hi guys,can anyone recommend a good aftermarket o2 sensor for a 2009 HR 313 350Z,pre cat drivers side,we are having a nightmare trying to match one up and dont fancy paying £243+vat from the stealers...2nd hand one will do if anyone knows to one,thanks

Ive attached a few pics of the plug end

[SHEZZA]

[ZMANALEX]

Plenty in stock, just drop me a PM if I can help further. 

 

Alex.