NTK oxygen sensor ???

[nismobrown]

my 99 gts is fitted with NTK japan 56041212ae oxygen sensors at the headers.
please can anyone tell me if these are the correct ones?

also were NTK japan sensors fitted to the 99 cars from new?

thanks.

 

[Jack B]

Basically all heated narrow band sensors put out the same voltage (.458V at 14.7). When you replace it, just make sure the connector is the same. Even the same size and shape connector can have the keyways in a different position. I have a 97 and the O2 asensor is a NTK. I just replaced it with a Bosch sensor.

 

[carl B]

Mine are NTK as well

Carl