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Walker 350-33052 Oxygen Sensor - Upstream Left
| Brand | Walker 350-33052 |
|---|---|
| Position | Upstream Left |
| Connector Gender | Female |
| Connector Shape | Radiused Polygon |
| Mounting Type | Threaded |
| Overall Length | 35.55 |
| Sensor Type | Heated |
| Thread Diameter | 18.0 |
| Universal Or Specific Fit | Specific |
| Wire Gauge Measurement | 20 |
| Wire Quantity | 3 |
| Wiring Harness Length | 32.01 |
| Product line | Walker Products Aftermarket |
| Fits | Nissan · 2 vehicles |
OE replacement. Engineered for specific applications and diagnostic feedback.
Heated sensor. Helps the engine management system respond quickly and accurately.
Threaded mount. Installs with a secure, direct-fit connection.
Will it fit your vehicle?
Free return shipping if it doesn't fit.
Walker 350-33052 Oxygen Sensor for Nissan
Walker Products 350-33052 is a heated oxygen sensor built as a specific-fit OE-style replacement for select Nissan applications. It is engineered for the upstream left position on 2004 Nissan Frontier and 2004 Nissan Xterra, where accurate exhaust feedback is needed for proper engine management.
Key Features
- Heated oxygen sensor for faster operating temperature and stable signal output
- Specific fit for the upstream left location
- 3-wire design with 20-gauge wiring
- Female connector with radiused polygon shape
- Threaded mounting with 18.0 mm thread diameter
- Wiring harness length: 32.01 in.; overall length: 35.55 in.
Product Details
Walker Products Aftermarket 350-33052 is part of the Walker Products Engine Management and Oxygen/Air-Fuel sensor line, developed as an OE replacement for many vehicle applications. For 2004 Nissan Frontier and 2004 Nissan Xterra, this sensor is positioned upstream left and is built to provide the ECU with the exhaust-gas feedback needed for fuel control and emissions monitoring. The Walker Products Aftermarket line focuses on application-specific fitment, so the sensor, connector, and harness layout are matched to the intended installation point. This part number, 350-33052, is a direct-fit oxygen sensor for the listed Nissan models.
Common Symptoms It May Address
- Check engine or malfunction indicator light related to oxygen sensor performance
- Rough engine operation caused by incorrect air-fuel feedback
- Increased fuel consumption from inaccurate exhaust readings
- Higher exhaust emissions from a degraded sensor signal
- Stored ECU fault codes tied to the upstream oxygen sensor circuit
Installation Notes and Tips
Confirm the upstream left position before installation on your 2004 Nissan Frontier or 2004 Nissan Xterra. Inspect the sensor wiring harness and connector for heat damage, abrasion, or corrosion before replacement, since physical damage can shorten sensor life and affect signal quality. Verify thread size and connector style against the original part before installation. This part number, 350-33052, uses a threaded mount and a female connector.
Quality Assurance
Walker Products has manufactured engine management components since 1946 and operates as an ISO 9001 / TS 16949 certified company. The brand’s oxygen and air-fuel sensors are developed for application-specific fitment and ECU feedback requirements.
| Year | Make | Model | Liters | Cylinders | Fuel Type | Position | Notes |
|---|---|---|---|---|---|---|---|
| 2004 | Nissan | Frontier | 3.3L | V6 | GAS | Upstream Left | Install upstream oxygen sensor on the left side.; Walker Products Aftermarket |
| 2004 | Nissan | Xterra | 3.3L | V6 | GAS | Upstream Left | Install upstream oxygen sensor on the left side.; Walker Products Aftermarket |
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