Goss Post-Catalytic Converter Oxygen Sensor OX457 Right Hand - Nissan 350Z DE
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OX457 · Goss Post-Cat Oxygen Sensor · Right Hand 350Z · VQ35DE · 2003 to 2009
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Goss Post-Catalytic Converter Oxygen Sensor OX457 Nissan 350Z Right Hand
OX457 · Post-Cat · Downstream · Right Hand · Nissan 350Z Z33 · VQ35DE · 2003 to 2009
The Goss OX457 is the post-catalytic converter (downstream) oxygen sensor for the right hand bank of the Nissan 350Z Z33 equipped with the VQ35DE 3.5L V6 engine. It is a direct OEM-fit replacement supplied with a factory-matched connector for plug and play installation, covering the full Z33 production run from 2003 to 2009. Goss has been an Australian automotive parts brand for over 80 years, sourcing to OEM specification for the Australian and New Zealand market.
The VQ35DE has four oxygen sensors in total — two upstream (pre-cat) and two downstream (post-cat), one per bank. The post-cat sensors sit after each catalytic converter and monitor catalytic converter efficiency by comparing their output signal against the upstream sensors. A faulty downstream sensor can trigger false catalytic converter efficiency codes and cause incorrect ECU fuel management decisions on the 350Z, making it one of the most commonly misdiagnosed fault sources on the platform.
Common symptoms of a faulty post-cat oxygen sensor:
• Check engine light with fault codes P0136, P0137, P0138, P0139 or similar downstream right O2 codes
• False catalytic converter efficiency code P0430 (Bank 2)
• Increased fuel consumption
• Failed emissions test
Product specifications
| Specification | Detail |
|---|---|
| Part number | OX457 |
| Brand | Goss |
| Type | Oxygen sensor (lambda sensor) |
| Position | Post-catalytic converter (downstream) · Right hand |
| Application | 2003 to 2009 · Full Z33 production run |
| Connector | Direct-fit factory-matched |
| Sold as | Each |
Why Goss
- Goss has been an Australian automotive parts brand for over 80 years, sourcing and manufacturing to OEM specification for the Australian and New Zealand market
- OEM-specification direct fit replacement engineered to match the original sensor in fit, connector type, and output characteristics for the VQ35DE downstream right position
- Factory-matched connector for plug and play installation with no wiring modification or adaptor required
- Covers the full 350Z Z33 production run from 2003 to 2009 including both DE and HR variants in the right hand post-cat position
- Stocked through major Australian retailers including Repco and Supercheap Auto
Installation
Difficulty
DIY friendly
Position
Post-cat · Right hand
Tools required
O2 sensor socket
Wiring required
None
Fitment
Nissan 350Z Z33 · 2003 to 2009 (VQ35DE · 3.5L V6) · Post-cat downstream · Right hand
Infiniti G35 V35 · 2003 to 2007 (VQ35DE) · Post-cat downstream · Right hand
Right hand post-cat sensor. Covers the full 350Z Z33 production run. Always scan for fault codes before replacing to confirm the sensor is the source of the fault rather than the catalytic converter. A P0430 code can be caused by a faulty downstream sensor, a deteriorating catalytic converter, or an exhaust leak upstream of the sensor.
For the NTK premium equivalent of this sensor see OZA554-N9, also available in this store. For the left hand post-cat sensor see Goss OX432. Always confirm bank position before ordering.
