Denso Pre-Cat Air/Fuel Ratio Sensor – 370Z – OXY2753
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DENSO / OXY2753
4-Wire / One Supplied
370Z / 10/2012–05/2017
Description
Denso OXY2753 is a direct-fit pre-catalytic air/fuel ratio sensor for the listed Nissan 370Z VQ37VHR production range. Positioned before the catalytic converter, it provides the ECU with mixture feedback used to manage fuel delivery and emissions.
This is the upstream Sensor 1 position. It is not the downstream or post-cat oxygen sensor.
Vehicle Fitment
Nissan 370Z: VQ37VHR
Production range: 10/2012–05/2017
Sensor position: Pre-cat / upstream / Sensor 1
Bank position: Bank 1 Sensor 1 or Bank 2 Sensor 1
Quantity: One sensor supplied; two fitted per vehicle
Product Details
| Brand | DENSO |
|---|---|
| Trade Reference | OXY2753 |
| Component | Air/fuel ratio sensor |
| Installation Position | Pre-cat / upstream / Sensor 1 |
| Connector | 4-wire direct-fit connector |
| Package Quantity | One sensor |
| Vehicle Quantity | Two sensors |
Why Choose DENSO?
- Established manufacturer specialising in engine-management sensor technology
- Direct-fit connector avoids cutting or joining the original sensor wiring
- Designed to provide the precise mixture feedback required by modern engine-management systems
Ordering the Correct Quantity
Common Inspection Reasons
- Bank 1 Sensor 1 or Bank 2 Sensor 1 air/fuel ratio sensor fault
- P2A00 or P2A03 air/fuel ratio sensor performance code
- Sensor heater, wiring or connector fault
- Slow or inconsistent upstream sensor response confirmed during testing
Please check before ordering:
- Confirm the vehicle’s production date falls between 10/2012 and 05/2017.
- Confirm the fault relates to Sensor 1, not the downstream Sensor 2.
- Compare the existing four-wire connector, cable routing and sensor body with the product.
- Confirm the required bank and quantity before ordering.
An upstream sensor fault code does not confirm sensor failure by itself. Wiring faults, exhaust leaks and fuel-delivery problems can produce similar readings, so the cause should be diagnosed before ordering.
