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Walker 350-34303 Oxygen Sensor
Overview of Walker 350-34303 Oxygen Sensor
The Walker 350-34303 oxygen sensor is designed specifically for select Cadillac, Porsche, and Saab models, including the Saab 9-3, 9-3X, 911, and BLS. This heated oxygen sensor provides accurate emissions control by monitoring exhaust gases and ensuring optimal engine performance.
- Heated sensor type for faster response times
- Specific fit for Cadillac, Porsche, and Saab vehicles
- 19.21-inch wiring harness length for precise installation
- 22-gauge wire measurement with 4 wires for reliable signal transmission
- Radiused polygon male connector for secure connection
- Threaded mounting type with 18.0 mm thread diameter
- Overall length of 22.76 inches for proper fitment
Detailed Product Description
This Walker Products Aftermarket oxygen sensor (part number 350-34303) is engineered to meet the exact specifications of your vehicle’s emission system. The heated sensor element allows the sensor to reach operating temperature quickly, improving fuel efficiency and reducing emissions. The 4-wire design includes a heater circuit and signal wires, ensuring accurate oxygen level readings. The radiused polygon male connector and threaded mounting type provide a secure and stable installation, minimizing the risk of leaks or disconnections. With a wiring harness length of 19.21 inches and an overall length of 22.76 inches, this sensor fits precisely in the exhaust system of compatible Cadillac, Porsche, and Saab models.
Walker Products Aftermarket Line
The Walker Products Aftermarket line focuses on providing reliable emission control components that meet or exceed OEM standards. This product line emphasizes durability and precise fitment, making it suitable for professional repairs and maintenance. The 350-34303 oxygen sensor is part of this line, ensuring compatibility and performance for specific vehicle applications.
Common Applications and Issues Addressed
- Restores proper air-fuel mixture readings for improved engine efficiency
- Helps resolve check engine light triggers related to oxygen sensor faults
- Reduces emissions by providing accurate exhaust gas data
- Prevents rough idling and poor acceleration caused by faulty sensors
- Supports compliance with emission regulations for Cadillac, Porsche, and Saab vehicles
Installation Notes and Tips
- Ensure the vehicle is cool before sensor removal to avoid burns
- Use appropriate tools for threaded sensor removal and installation
- Verify connector type matches the vehicle harness before installation
- Do not over-tighten the sensor to prevent damage to threads
- Check wiring harness length and routing to avoid interference with moving parts
Quality Assurance and Warranty
Walker Products Aftermarket oxygen sensors are manufactured to meet strict quality standards. Each sensor undergoes testing to ensure reliable performance and durability. While specific warranty details may vary, Walker typically offers coverage against defects in materials and workmanship to support long-term use in Cadillac, Porsche, and Saab vehicles.
| Brand | Walker |
|---|---|
| Part Number | 350-34303 |
| Position | Walker Products Aftermarket, Upstream |
| Connector Gender | Male |
| Connector Shape | Radiused Polygon |
| Mounting Type | Threaded |
| Overall Length | 22.76 |
| Sensor Type | Heated |
| Thread Diameter | 18.0 |
| Universal Or Specific Fit | Specific |
| Wire Gauge Measurement | 22 |
| Wire Quantity | 4 |
| Wiring Harness Length | 19.21 |
This part fits 42 vehicles. Search below:
| Year | Make | Model | Liters | Cylinders | Fuel Type | Position | Notes |
|---|---|---|---|---|---|---|---|
| 2011 | Saab | 9-3 | 2.0L | L4 | GAS | Upstream | Bank 1 Sensor 1 needs an upstream oxygen sensor.; Walker Products Aftermarket |
| 2011 | Saab | 9-3 | 2.0L | L4 | GAS | Upstream | Front oxygen sensor compatible with various vehicle models.; Walker Products Aftermarket |
| 2011 | Saab | 9-3X | 2.0L | L4 | GAS | Upstream | Bank 1 Sensor 1 needs an upstream oxygen sensor.; Walker Products Aftermarket |
| 2011 | Saab | 9-3X | 2.0L | L4 | GAS | Upstream | Front oxygen sensor compatible with various vehicle models.; Walker Products Aftermarket |
| 2010 | Saab | 9-3 | 2.0L | L4 | GAS | Upstream | Bank 1 Sensor 1 needs an upstream oxygen sensor.; Walker Products Aftermarket |
| 2010 | Saab | 9-3 | 2.0L | L4 | GAS | Upstream | Front oxygen sensor compatible with various vehicle models.; Walker Products Aftermarket |
| 2010 | Saab | 9-3X | 2.0L | L4 | GAS | Upstream | Bank 1 Sensor 1 needs an upstream oxygen sensor.; Walker Products Aftermarket |
| 2010 | Saab | 9-3X | 2.0L | L4 | GAS | Upstream | Front oxygen sensor compatible with various vehicle models.; Walker Products Aftermarket |
| 2009 | Saab | 9-3 | 2.0L | L4 | GAS | Upstream | Bank 1 Sensor 1 needs an upstream oxygen sensor.; Walker Products Aftermarket |
| 2009 | Saab | 9-3 | 2.0L | L4 | GAS | Upstream | Front oxygen sensor compatible with various vehicle models.; Walker Products Aftermarket |
| 2008 | Cadillac | BLS | 2.0L | L4 | Upstream | OE Replacement | |
| 2008 | Saab | 9-3 | 2.0L | L4 | GAS | Upstream | Bank 1 Sensor 1 needs an upstream oxygen sensor.; Walker Products Aftermarket |
| 2008 | Saab | 9-3 | 2.0L | L4 | GAS | Upstream | Front oxygen sensor compatible with various vehicle models.; Walker Products Aftermarket |
| 2007 | Cadillac | BLS | 2.0L | L4 | Upstream | OE Replacement | |
| 2007 | Saab | 9-3 | 2.0L | L4 | GAS | Upstream | Bank 1 Sensor 1 needs an upstream oxygen sensor.; Walker Products Aftermarket |
| 2007 | Saab | 9-3 | 2.0L | L4 | GAS | Upstream | Front oxygen sensor compatible with various vehicle models.; Walker Products Aftermarket |
| 2006 | Saab | 9-3 | 2.0L | L4 | GAS | Upstream | Bank 1 Sensor 1 needs an upstream oxygen sensor.; Walker Products Aftermarket |
| 2006 | Saab | 9-3 | 2.0L | L4 | GAS | Upstream | Front oxygen sensor compatible with various vehicle models.; Walker Products Aftermarket |
| 2005 | Porsche | 911 | 3.8L | H6 | GAS | Upstream Right | Install upstream oxygen sensor on the right side.; Walker Products Aftermarket |
| 2005 | Porsche | 911 | 3.8L | H6 | GAS | Upstream Left | Install upstream oxygen sensor on the left side.; Walker Products Aftermarket |
| 2005 | Porsche | 911 | 3.8L | H6 | GAS | Downstream Right | Install downstream oxygen sensor on the right side.; Walker Products Aftermarket |
| 2005 | Porsche | 911 | 3.8L | H6 | GAS | Downstream Left | Downstream left oxygen sensor required.; Walker Products Aftermarket |
| 2005 | Porsche | 911 | 3.6L | H6 | GAS | Upstream Right | Install upstream oxygen sensor on the right side.; Walker Products Aftermarket |
| 2005 | Porsche | 911 | 3.6L | H6 | GAS | Upstream Left | Install upstream oxygen sensor on the left side.; Walker Products Aftermarket |
| 2005 | Porsche | 911 | 3.6L | H6 | GAS | Downstream Right | Install downstream oxygen sensor on the right side.; Walker Products Aftermarket |
| 2005 | Porsche | 911 | 3.6L | H6 | GAS | Downstream Left | Downstream left oxygen sensor required.; Walker Products Aftermarket |
| 2005 | Saab | 9-3 | 2.0L | L4 | GAS | Upstream | Bank 1 Sensor 1 needs an upstream oxygen sensor.; Walker Products Aftermarket |
| 2005 | Saab | 9-3 | 2.0L | L4 | GAS | Upstream | Front oxygen sensor compatible with various vehicle models.; Walker Products Aftermarket |
| 2004 | Porsche | 911 | 3.6L | H6 | GAS | Upstream Right | Install upstream oxygen sensor on the right side.; Walker Products Aftermarket |
| 2004 | Porsche | 911 | 3.6L | H6 | GAS | Upstream Left | Install upstream oxygen sensor on the left side.; Walker Products Aftermarket |
| 2004 | Porsche | 911 | 3.6L | H6 | GAS | Downstream Right | Install downstream oxygen sensor on the right side.; Walker Products Aftermarket |
| 2004 | Porsche | 911 | 3.6L | H6 | GAS | Downstream Left | Downstream left oxygen sensor required.; Walker Products Aftermarket |
| 2004 | Saab | 9-3 | 2.0L | L4 | GAS | Upstream | Bank 1 Sensor 1 needs an upstream oxygen sensor.; Walker Products Aftermarket |
| 2004 | Saab | 9-3 | 2.0L | L4 | GAS | Upstream | Front oxygen sensor compatible with various vehicle models.; Walker Products Aftermarket |
| 2003 | Porsche | 911 | 3.6L | H6 | GAS | Upstream Right | Install upstream oxygen sensor on the right side.; Walker Products Aftermarket |
| 2003 | Porsche | 911 | 3.6L | H6 | GAS | Upstream Left | Install upstream oxygen sensor on the left side.; Walker Products Aftermarket |
| 2003 | Porsche | 911 | 3.6L | H6 | GAS | Downstream Right | Install downstream oxygen sensor on the right side.; Walker Products Aftermarket |
| 2003 | Porsche | 911 | 3.6L | H6 | GAS | Downstream Left | Downstream left oxygen sensor required.; Walker Products Aftermarket |
| 2002 | Porsche | 911 | 3.6L | H6 | GAS | Upstream Right | Install upstream oxygen sensor on the right side.; Walker Products Aftermarket |
| 2002 | Porsche | 911 | 3.6L | H6 | GAS | Upstream Left | Install upstream oxygen sensor on the left side.; Walker Products Aftermarket |
| 2002 | Porsche | 911 | 3.6L | H6 | GAS | Downstream Right | Install downstream oxygen sensor on the right side.; Walker Products Aftermarket |
| 2002 | Porsche | 911 | 3.6L | H6 | GAS | Downstream Left | Downstream left oxygen sensor required.; Walker Products Aftermarket |
* Always verify fitment with your vehicle's VIN if unsure. Submodel & trim restrictions may apply.
This part directly replaces or is cross-referenced with the following part numbers:
Cross-reference numbers are provided for identification purposes only. Always confirm fitment before ordering.