AFI Oxygen Sensor Pre-Catalytic – 350Z DE – OXY1544
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Description
AFI OXY1544 is a direct-fit pre-catalytic oxygen sensor for early Nissan 350Z VQ35DE models built up to approximately November 2004. The same sensor is used on both pre-catalytic positions, with one sensor supplied per listing.
Fitment
Nissan 350Z · VQ35DE
Production: Up to approximately November 2004
Position: Pre-Catalytic · Left or Right
Product Details
| Brand | AFI |
|---|---|
| Part Number | OXY1544 |
| Product | Oxygen Sensor |
| Sensor Location | Pre-Catalytic |
| Side | Left or Right |
| Connector | 4 Pin |
| Cable Length | 400 mm |
| Quantity Supplied | 1 Sensor |
| Required Per Vehicle | 2 Sensors |
Why Choose This Product?
- Direct-fit connector avoids universal wiring modifications
- The same part fits both supported pre-catalytic positions
- Application-specific 400 mm cable for early VQ35DE models
Please Check Before Ordering
This listing supplies one sensor. Two OXY1544 sensors are required to replace both pre-catalytic sensors.
Fitment is limited to early-production VQ35DE models up to approximately November 2004. Confirm the vehicle build date and connector before ordering, as later models may use a different sensor.
An oxygen-sensor fault code does not by itself confirm that the sensor is faulty; confirm the diagnosis and required position before ordering.

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$246.70
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