AFI Oxygen / Lambda Sensor Post Catalytic Converter OXY1990 - 350Z DE 03-06
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AFI Oxygen / Lambda Sensor Post Catalytic Converter
OXY1990
Notes: Left
Suits:
Nissan 350Z Z33 DE (2003–2006)
Description:
AFI OXY1990 Oxygen Sensor is a post-catalytic (downstream) lambda sensor designed to monitor exhaust gases after they pass through the catalytic converter. It provides feedback to the ECU to ensure the catalytic converter is operating efficiently and emissions remain within specification.
Built to OEM standards, it delivers accurate readings, fast response times, and reliable performance in high-temperature environments—making it an ideal replacement for faulty or aging sensors.
Key Features
- ✅ Post-catalytic (downstream) sensor for emissions monitoring
- ✅ OEM-spec accuracy for reliable ECU feedback
- ✅ Ensures catalytic converter efficiency
- ✅ Fast response time for consistent performance
- ✅ Durable construction for high-heat exhaust conditions
- ✅ Direct-fit replacement – plug and play installation
