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Walker 350-34292 Oxygen Sensor - Upstream
| Brand | Walker 350-34292 |
|---|---|
| Position | Upstream |
| Connector Gender | Male |
| Connector Shape | Radiused Polygon |
| Mounting Type | Threaded |
| Overall Length | 17.64 |
| Sensor Type | Heated |
| Thread Diameter | 18.0 |
| Universal Or Specific Fit | Specific |
| Wire Gauge Measurement | 20 |
| Wire Quantity | 4 |
| Wiring Harness Length | 14.09 |
| Product line | Walker Products Aftermarket |
| Fits | Saab · 2 vehicles |
OE replacement. Engineered as a direct-fit oxygen sensor for reliable ECU feedback.
Heated sensor. Helps the engine management system respond quickly and accurately.
Threaded mount. Installs with a secure, threaded connection.
Will it fit your vehicle?
Free return shipping if it doesn't fit.
Walker 350-34292 Oxygen Sensor for Saab 9-3
Walker Products 350-34292 is a heated oxygen sensor built as a specific-fit OE replacement for the upstream position on select 2003 Saab 9-3 applications. It is engineered to provide the ECU with the feedback needed for fuel control and emissions monitoring.
For 2003 Saab 9-3 owners diagnosing an upstream oxygen sensor fault, this Walker Products Aftermarket part number 350-34292 is designed around the application, connector style, and mounting position required by the vehicle.
Key Features
- Heated oxygen sensor for upstream placement
- Specific-fit design for the listed Saab 9-3 application
- 4-wire configuration with 20-gauge wiring
- Radiused polygon male connector
- Threaded mounting type with 18.0 mm thread diameter
- Wiring harness length: 14.09
- Overall length: 17.64
Product Details
Walker Products Aftermarket focuses on engine management and oxygen/air-fuel sensors engineered as OE-style replacements for a wide range of vehicles. Part number 350-34292 is built for the upstream oxygen sensor location and is intended to deliver the diagnostic feedback the ECU expects from the sensor circuit. This makes it a direct choice for 2003 Saab 9-3 upstream oxygen sensor replacement service, including Bank 1 Sensor 1 applications noted in the fitment data.
This part cross-references no listed aftermarket part numbers in the provided data.
Common Issues This Sensor Can Address
- Check engine light related to upstream oxygen sensor performance
- Poor fuel economy caused by incorrect air-fuel feedback
- Rough engine operation from inaccurate exhaust oxygen readings
- Elevated exhaust emissions from a failing sensor
- Stored ECU fault codes tied to the affected sensor circuit
Installation Notes
Verify the connector shape, wire count, thread diameter, and upstream mounting position before installation. Inspect the sensor wiring harness and connector for heat damage, abrasion, or corrosion, since physical damage can shorten service life and affect signal quality. Confirm the vehicle is a 2003 Saab 9-3 and that the application calls for an upstream oxygen sensor before replacement.
Quality Assurance
Walker Products has manufactured engine management components since 1946 and states that its sensors are produced under Automotive ISO9001/TS 16949 certification standards. The 350-34292 is built as a specific application replacement to support ECU feedback requirements on the listed Saab 9-3 fitment.
| Year | Make | Model | Liters | Cylinders | Fuel Type | Position | Notes |
|---|---|---|---|---|---|---|---|
| 2003 | Saab | 9-3 | 2.0L | L4 | GAS | Upstream | Bank 1 Sensor 1 needs an upstream oxygen sensor.; Walker Products Aftermarket |
| 2003 | Saab | 9-3 | 2.0L | L4 | GAS | Upstream | Front oxygen sensor compatible with various vehicle models.; Walker Products Aftermarket |
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