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Walker 350-34641 Oxygen Sensor
Overview of Walker 350-34641 Oxygen Sensor
The Walker 350-34641 oxygen sensor is designed for precise emission control in select Lexus, Pontiac, Scion, and Toyota vehicles. This heated oxygen sensor ensures accurate air-fuel mixture readings to maintain optimal engine performance and emissions compliance.
- Heated oxygen sensor with 4-wire configuration
- Specific fit for Lexus, Pontiac, Scion, and Toyota models including Camry, Prius, GS300, and Supra
- 16.85-inch wiring harness length for flexible installation
- Threaded mounting type with 18.0 mm thread diameter
- Radiused polygon male connector for secure electrical connection
- Overall length of 20.39 inches for proper fitment
- Wire gauge measurement of 20 for reliable signal transmission
Detailed Product Description
The Walker 350-34641 oxygen sensor is a heated sensor designed to provide accurate oxygen level readings in the exhaust system. Featuring a 4-wire design, it includes a heating element that allows the sensor to reach operating temperature quickly, improving response time and reducing emissions during cold starts. The sensorโs 16.85-inch wiring harness and radiused polygon male connector ensure a secure and precise fit, while the 18.0 mm threaded mounting type allows for straightforward installation. This sensor is specifically engineered for compatibility with various Lexus, Pontiac, Scion, and Toyota models such as the Camry, Echo, ES300, GS300, GS460, Matrix, Prius, SC300, Supra, Vibe, xA, xB, xD, and Yaris.
Walker Products Aftermarket Line
Walker Products Aftermarket offers a range of emission control components designed to meet or exceed OEM specifications. The 350-34641 oxygen sensor is part of this line, providing reliable performance and durability for specific vehicle applications. This product line focuses on delivering precise fitment and consistent sensor operation to support emission system efficiency and regulatory compliance.
Common Applications and Issues Addressed
- Restores accurate air-fuel ratio readings for improved fuel efficiency
- Helps resolve rough idling and engine hesitation caused by faulty sensors
- Reduces excessive emissions and prevents failed emissions tests
- Eliminates check engine light triggers related to oxygen sensor faults
- Supports proper catalytic converter function by providing correct sensor data
Installation Notes and Tips
- Ensure vehicle compatibility with the specific fitment list before installation
- Use proper tools to avoid damaging the 18.0 mm threaded sensor mount
- Verify connector type matches the vehicleโs wiring harness (radiused polygon male)
- Handle wiring harness carefully to prevent damage to the 16.85-inch cable
- Follow manufacturer torque specifications for sensor installation
Quality Assurance and Warranty
Walker Products Aftermarket oxygen sensors undergo rigorous testing to meet emission control standards and ensure durability. The 350-34641 sensor is manufactured to provide consistent performance throughout its service life. Warranty coverage details should be confirmed with the product documentation or supplier.
| Brand | Walker |
|---|---|
| Part Number | 350-34641 |
| Position | Walker Products Aftermarket, Downstream |
| Connector Gender | Male |
| Connector Shape | Radiused Polygon |
| Mounting Type | Threaded |
| Overall Length | 20.39 |
| Sensor Type | Heated |
| Thread Diameter | 18.0 |
| Universal Or Specific Fit | Specific |
| Wire Gauge Measurement | 20 |
| Wire Quantity | 4 |
| Wiring Harness Length | 16.85 |
This part fits 82 vehicles. Search below:
| Year | Make | Model | Submodel | Drive Type | Liters | Cylinders | Fuel Type | Position | Notes |
|---|---|---|---|---|---|---|---|---|---|
| 2015 | Toyota | Yaris | SE | 1.5L | L4 | GAS | Downstream | From cylinder bank 1 Sensor 2 up to July of 2014, from July 2014 downstream.; Walker Products Aftermarket | |
| 2015 | Toyota | Yaris | LE | 1.5L | L4 | GAS | Downstream | From cylinder bank 1 Sensor 2 up to July of 2014, from July 2014 downstream.; Walker Products Aftermarket | |
| 2015 | Toyota | Yaris | L | 1.5L | L4 | GAS | Downstream | From cylinder bank 1 Sensor 2 up to July of 2014, from July 2014 downstream.; Walker Products Aftermarket | |
| 2015 | Toyota | Yaris | SE | 1.5L | L4 | GAS | Downstream | Up to 07/2014; From 07/2014; Downstream; Bank 1 Sensor 2; Walker Products Aftermarket | |
| 2015 | Toyota | Yaris | LE | 1.5L | L4 | GAS | Downstream | Up to 07/2014; From 07/2014; Downstream; Bank 1 Sensor 2; Walker Products Aftermarket | |
| 2015 | Toyota | Yaris | L | 1.5L | L4 | GAS | Downstream | Up to 07/2014; From 07/2014; Downstream; Bank 1 Sensor 2; Walker Products Aftermarket | |
| 2015 | Toyota | Yaris | SE | 1.5L | L4 | GAS | Downstream | Up to 07/2014, downstream oxygen sensor B1S2.; Walker Products Aftermarket | |
| 2015 | Toyota | Yaris | LE | 1.5L | L4 | GAS | Downstream | Up to 07/2014, downstream oxygen sensor B1S2.; Walker Products Aftermarket | |
| 2015 | Toyota | Yaris | L | 1.5L | L4 | GAS | Downstream | Up to 07/2014, downstream oxygen sensor B1S2.; Walker Products Aftermarket | |
| 2014 | Scion | xD | 1.8L | L4 | GAS | Downstream | Fits downstream bank 1 sensor 2 on specific vehicle models.; Walker Products Aftermarket | ||
| 2014 | Toyota | Yaris | 1.5L | L4 | GAS | Downstream | Fits downstream bank 1 sensor 2 on specific vehicle models.; Walker Products Aftermarket | ||
| 2013 | Scion | xD | 1.8L | L4 | GAS | Downstream | Fits downstream bank 1 sensor 2 on specific vehicle models.; Walker Products Aftermarket | ||
| 2013 | Toyota | Yaris | 1.5L | L4 | GAS | Downstream | Fits downstream bank 1 sensor 2 on specific vehicle models.; Walker Products Aftermarket | ||
| 2012 | Scion | xD | 1.8L | L4 | GAS | Downstream | Fits downstream bank 1 sensor 2 on specific vehicle models.; Walker Products Aftermarket | ||
| 2012 | Toyota | Yaris | 1.5L | L4 | GAS | Downstream | Fits downstream bank 1 sensor 2 on specific vehicle models.; Walker Products Aftermarket | ||
| 2011 | Lexus | GS460 | 4.6L | V8 | GAS | Downstream Right | Install downstream oxygen sensor on the right side.; Walker Products Aftermarket | ||
| 2011 | Lexus | GS460 | 4.6L | V8 | GAS | Downstream Left | Downstream left oxygen sensor required.; Walker Products Aftermarket | ||
| 2011 | Scion | xD | 1.8L | L4 | GAS | Downstream | Fits downstream bank 1 sensor 2 on specific vehicle models.; Walker Products Aftermarket | ||
| 2011 | Toyota | Yaris | 1.5L | L4 | GAS | Downstream | Fits downstream bank 1 sensor 2 on specific vehicle models.; Walker Products Aftermarket | ||
| 2010 | Lexus | GS460 | 4.6L | V8 | GAS | Downstream Right | Install downstream oxygen sensor on the right side.; Walker Products Aftermarket | ||
| 2010 | Lexus | GS460 | 4.6L | V8 | GAS | Downstream Left | Downstream left oxygen sensor required.; Walker Products Aftermarket | ||
| 2010 | Scion | xD | 1.8L | L4 | GAS | Downstream | Fits downstream bank 1 sensor 2 on specific vehicle models.; Walker Products Aftermarket | ||
| 2010 | Toyota | Yaris | 1.5L | L4 | GAS | Downstream | Fits downstream bank 1 sensor 2 on specific vehicle models.; Walker Products Aftermarket | ||
| 2009 | Lexus | GS460 | 4.6L | V8 | GAS | Downstream Right | Install downstream oxygen sensor on the right side.; Walker Products Aftermarket | ||
| 2009 | Lexus | GS460 | 4.6L | V8 | GAS | Downstream Left | Downstream left oxygen sensor required.; Walker Products Aftermarket | ||
| 2009 | Scion | xD | 1.8L | L4 | GAS | Downstream | Fits downstream bank 1 sensor 2 on specific vehicle models.; Walker Products Aftermarket | ||
| 2009 | Toyota | Yaris | 1.5L | L4 | GAS | Downstream | Fits downstream bank 1 sensor 2 on specific vehicle models.; Walker Products Aftermarket | ||
| 2008 | Lexus | GS460 | 4.6L | V8 | GAS | Downstream Right | Install downstream oxygen sensor on the right side.; Walker Products Aftermarket | ||
| 2008 | Lexus | GS460 | 4.6L | V8 | GAS | Downstream Left | Downstream left oxygen sensor required.; Walker Products Aftermarket | ||
| 2008 | Scion | xD | 1.8L | L4 | GAS | Downstream | Fits downstream bank 1 sensor 2 on specific vehicle models.; Walker Products Aftermarket | ||
| 2008 | Toyota | Yaris | 1.5L | L4 | GAS | Downstream | Fits downstream bank 1 sensor 2 on specific vehicle models.; Walker Products Aftermarket | ||
| 2007 | Toyota | Yaris | 1.5L | L4 | GAS | Downstream | Fits downstream bank 1 sensor 2 on specific vehicle models.; Walker Products Aftermarket | ||
| 2006 | Pontiac | Vibe | Base | AWD | 1.8L | L4 | GAS | Downstream | Fits downstream bank 1 sensor 2 on specific vehicle models.; Walker Products Aftermarket |
| 2006 | Scion | xA | 1.5L | L4 | GAS | Downstream | Fits downstream bank 1 sensor 2 on specific vehicle models.; Walker Products Aftermarket | ||
| 2006 | Scion | xB | 1.5L | L4 | GAS | Downstream | Fits downstream bank 1 sensor 2 on specific vehicle models.; Walker Products Aftermarket | ||
| 2006 | Toyota | Matrix | AWD | 1.8L | L4 | GAS | Downstream | Fits downstream bank 1 sensor 2 on specific vehicle models.; Walker Products Aftermarket | |
| 2006 | Toyota | Yaris | 1.5L | L4 | GAS | Downstream | Fits downstream bank 1 sensor 2 on specific vehicle models.; Walker Products Aftermarket | ||
| 2005 | Pontiac | Vibe | Base | AWD | 1.8L | L4 | GAS | Downstream | Fits downstream bank 1 sensor 2 on specific vehicle models.; Walker Products Aftermarket |
| 2005 | Scion | xA | 1.5L | L4 | GAS | Downstream | Fits downstream bank 1 sensor 2 on specific vehicle models.; Walker Products Aftermarket | ||
| 2005 | Scion | xB | 1.5L | L4 | GAS | Downstream | Fits downstream bank 1 sensor 2 on specific vehicle models.; Walker Products Aftermarket | ||
| 2005 | Toyota | Echo | 1.5L | L4 | GAS | Downstream | Fits downstream bank 1 sensor 2 on specific vehicle models.; Walker Products Aftermarket | ||
| 2005 | Toyota | Matrix | AWD | 1.8L | L4 | GAS | Downstream | Fits downstream bank 1 sensor 2 on specific vehicle models.; Walker Products Aftermarket | |
| 2004 | Pontiac | Vibe | Base | AWD | 1.8L | L4 | GAS | Downstream | Fits downstream bank 1 sensor 2 on specific vehicle models.; Walker Products Aftermarket |
| 2004 | Scion | xA | 1.5L | L4 | GAS | Downstream | Fits downstream bank 1 sensor 2 on specific vehicle models.; Walker Products Aftermarket | ||
| 2004 | Scion | xB | 1.5L | L4 | GAS | Downstream | Fits downstream bank 1 sensor 2 on specific vehicle models.; Walker Products Aftermarket | ||
| 2004 | Toyota | Echo | 1.5L | L4 | GAS | Downstream | Fits downstream bank 1 sensor 2 on specific vehicle models.; Walker Products Aftermarket | ||
| 2004 | Toyota | Matrix | XR | AWD | 1.8L | L4 | GAS | Downstream | Fits downstream bank 1 sensor 2 on specific vehicle models.; Walker Products Aftermarket |
| 2004 | Toyota | Matrix | Base | AWD | 1.8L | L4 | GAS | Downstream | Fits downstream bank 1 sensor 2 on specific vehicle models.; Walker Products Aftermarket |
| 2003 | Pontiac | Vibe | Base | AWD | 1.8L | L4 | GAS | Downstream | Fits downstream bank 1 sensor 2 on specific vehicle models.; Walker Products Aftermarket |
| 2003 | Toyota | Echo | 1.5L | L4 | GAS | Downstream | Fits downstream bank 1 sensor 2 on specific vehicle models.; Walker Products Aftermarket | ||
| 2003 | Toyota | Matrix | AWD | 1.8L | L4 | GAS | Downstream | Fits downstream bank 1 sensor 2 on specific vehicle models.; Walker Products Aftermarket | |
| 2003 | Toyota | Prius | 1.5L | L4 | ELECTRIC/GAS | Downstream | Fits downstream bank 1 sensor 2 on specific vehicle models.; Walker Products Aftermarket | ||
| 2002 | Toyota | Echo | 1.5L | L4 | GAS | Downstream | Fits downstream bank 1 sensor 2 on specific vehicle models.; Walker Products Aftermarket | ||
| 2002 | Toyota | Prius | 1.5L | L4 | ELECTRIC/GAS | Downstream | Fits downstream bank 1 sensor 2 on specific vehicle models.; Walker Products Aftermarket | ||
| 2001 | Toyota | Echo | 1.5L | L4 | GAS | Downstream | Fits downstream bank 1 sensor 2 on specific vehicle models.; Walker Products Aftermarket | ||
| 2001 | Toyota | Prius | 1.5L | L4 | ELECTRIC/GAS | Downstream | Fits downstream bank 1 sensor 2 on specific vehicle models.; Walker Products Aftermarket | ||
| 2000 | Lexus | SC300 | 3.0L | L6 | GAS | Downstream | Downstream oxygen sensor for cylinders 1-3.; Walker Products Aftermarket | ||
| 2000 | Lexus | SC300 | 3.0L | L6 | GAS | Downstream | Cylinder 1-3 Downstream Oxygen Sensor; Walker Products Aftermarket | ||
| 2000 | Toyota | Echo | 1.5L | L4 | GAS | Downstream | Fits downstream bank 1 sensor 2 on specific vehicle models.; Walker Products Aftermarket | ||
| 1999 | Lexus | SC300 | 3.0L | L6 | GAS | Downstream | Downstream oxygen sensor for cylinders 1-3.; Walker Products Aftermarket | ||
| 1999 | Lexus | SC300 | 3.0L | L6 | GAS | Downstream | Cylinder 1-3 Downstream Oxygen Sensor; Walker Products Aftermarket | ||
| 1998 | Lexus | SC300 | 3.0L | L6 | GAS | Downstream | Downstream oxygen sensor for cylinders 1-3.; Walker Products Aftermarket | ||
| 1998 | Lexus | SC300 | 3.0L | L6 | GAS | Downstream | Cylinder 1-3 Downstream Oxygen Sensor; Walker Products Aftermarket | ||
| 1998 | Toyota | Supra | 3.0L | L6 | GAS | Upstream | Upstream oxygen sensor for cylinders 4-6.; Walker Products Aftermarket | ||
| 1997 | Lexus | GS300 | 3.0L | L6 | GAS | Downstream | Downstream oxygen sensor for cylinders 1-3.; Walker Products Aftermarket | ||
| 1997 | Lexus | GS300 | 3.0L | L6 | GAS | Downstream | Cylinder 1-3 Downstream Oxygen Sensor; Walker Products Aftermarket | ||
| 1996 | Lexus | ES300 | 3.0L | V6 | GAS | Downstream Front | Downstream front oxygen sensor required.; Walker Products Aftermarket | ||
| 1996 | Lexus | GS300 | 3.0L | L6 | GAS | Downstream | Downstream oxygen sensor for cylinders 1-3.; Walker Products Aftermarket | ||
| 1996 | Lexus | GS300 | 3.0L | L6 | GAS | Downstream | Cylinder 1-3 Downstream Oxygen Sensor; Walker Products Aftermarket | ||
| 1996 | Toyota | Camry | 3.0L | V6 | GAS | Downstream Front | Downstream front oxygen sensor required.; Walker Products Aftermarket | ||
| 1995 | Lexus | ES300 | 3.0L | V6 | GAS | Downstream Front | Downstream front oxygen sensor required.; Walker Products Aftermarket | ||
| 1995 | Lexus | GS300 | 3.0L | L6 | GAS | Downstream | Downstream oxygen sensor for cylinders 1-3.; Walker Products Aftermarket | ||
| 1995 | Lexus | GS300 | 3.0L | L6 | GAS | Downstream | Cylinder 1-3 Downstream Oxygen Sensor; Walker Products Aftermarket | ||
| 1995 | Toyota | Camry | 3.0L | V6 | GAS | Downstream | Downstream oxygen sensor for vehicle installation.; Walker Products Aftermarket | ||
| 1994 | Lexus | ES300 | 3.0L | V6 | GAS | Downstream Front | Downstream front oxygen sensor required.; Walker Products Aftermarket | ||
| 1994 | Lexus | GS300 | 3.0L | L6 | GAS | Downstream | Oxygen Sensor for California vehicles with ESV regulations.; Walker Products Aftermarket | ||
| 1994 | Toyota | Camry | 3.0L | V6 | GAS | Downstream | Downstream oxygen sensor for vehicle installation.; Walker Products Aftermarket | ||
| 1993 | Lexus | ES300 | 3.0L | V6 | GAS | Downstream | Oxygen Sensor for California vehicles with ESV regulations.; Walker Products Aftermarket | ||
| 1993 | Lexus | GS300 | 3.0L | L6 | GAS | Downstream | Oxygen Sensor for California vehicles with ESV regulations.; Walker Products Aftermarket | ||
| 1993 | Toyota | Camry | 3.0L | V6 | GAS | Downstream | Oxygen Sensor for California vehicles with ESV regulations.; Walker Products Aftermarket | ||
| 1992 | Lexus | ES300 | 3.0L | V6 | GAS | Downstream | Oxygen Sensor for California vehicles with ESV regulations.; Walker Products Aftermarket | ||
| 1992 | Toyota | Camry | 3.0L | V6 | GAS | Downstream | Oxygen Sensor for California vehicles with ESV regulations.; 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.