This direct fit replacement O2 sensor from OE supplier Bosch is a high quality alternative to new OEM oxygen sensors. Bosch is a long time supplier to both Nissan and to the aftermarket (providing sensors to AEM for their UEGO wideband gauges). Replace your failing O2 sensors with confidence as these are among the best available replacements on the market.
This is the primary O2 sensor that fits both left and right sides of the exhaust on all NA and TT Z32 models. A Z32 requires (2) of these. 1996 US models also have a pair secondary O2 sensors behind the catalytic converters.