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Walker 350-34181 Oxygen Sensor - Downstream
Overview of Walker 350-34181 Oxygen Sensor
The Walker 350-34181 oxygen sensor is designed specifically for select Chevrolet, Pontiac, and Saturn models. This heated oxygen sensor ensures accurate emissions control and optimal engine performance by monitoring exhaust gases effectively.
- Heated sensor type for faster response times
- Specific fit for Chevrolet Cobalt, Pontiac G5, Saturn Sky, and other models
- 24.13-inch wiring harness length with 22-gauge wire
- Four-wire configuration with a radiused polygon male connector
- Threaded mounting type with an 18.0 mm thread diameter
- Overall length of 27.68 inches for proper installation
Detailed Product Description
This Walker Products Aftermarket oxygen sensor (part number 350-34181) is engineered to meet the exact specifications required by your vehicle’s emission system. Featuring a heated sensor element, it provides quicker warm-up times compared to unheated sensors, which helps reduce emissions during cold starts. The sensor’s four-wire design includes a radiused polygon male connector, ensuring a secure and reliable electrical connection. With a wiring harness length of 24.13 inches and 22-gauge wire, this sensor is built for durability and precise signal transmission. The threaded mounting type with an 18.0 mm diameter allows for straightforward installation in the exhaust manifold or pipe.
Walker Products Aftermarket Line
The Walker Products Aftermarket line focuses on delivering emission control components that meet or exceed OEM standards. This oxygen sensor is part of that line, providing a direct replacement solution tailored for specific vehicle applications. The product line emphasizes compatibility and quality, ensuring that parts like the 350-34181 oxygen sensor integrate seamlessly with your vehicle’s existing systems.
Common Applications and Issues Addressed
- Compatible with Chevrolet Cobalt, Pontiac G5, Saturn Sky, HHR, and Solstice models
- Helps resolve poor fuel economy caused by faulty oxygen sensors
- Reduces rough idling and engine hesitation
- Assists in correcting failed emissions tests
- Prevents check engine light triggers related to oxygen sensor faults
Installation Notes and Tips
- Ensure the vehicle is cool before removing the old sensor to avoid burns
- Use proper tools to avoid damaging the threaded mounting
- Verify connector type matches the vehicle harness (radiused polygon male)
- Check wiring harness length (24.13 inches) for proper routing and fit
- Follow torque specifications to secure the sensor without over-tightening
Quality Assurance and Warranty
Walker Products Aftermarket oxygen sensors are manufactured to meet stringent quality standards. While specific warranty details for part number 350-34181 should be confirmed with the supplier, Walker typically offers coverage against defects in materials and workmanship. This ensures reliable performance and peace of mind when replacing your vehicle’s oxygen sensor.
| Brand | Walker |
|---|---|
| Part Number | 350-34181 |
| Position | Walker Products Aftermarket, Downstream |
| Connector Gender | Male |
| Connector Shape | Radiused Polygon |
| Mounting Type | Threaded |
| Overall Length | 27.68 |
| Sensor Type | Heated |
| Thread Diameter | 18.0 |
| Universal Or Specific Fit | Specific |
| Wire Gauge Measurement | 22 |
| Wire Quantity | 4 |
| Wiring Harness Length | 24.13 |
This part fits 14 vehicles. Search below:
| Year | Make | Model | Liters | Cylinders | Fuel Type | Position | Notes |
|---|---|---|---|---|---|---|---|
| 2010 | Chevrolet | Cobalt | 2.0L | L4 | GAS | Downstream | Fits downstream bank 1 sensor 2 on specific vehicle models.; Walker Products Aftermarket |
| 2010 | Chevrolet | HHR | 2.0L | L4 | GAS | Downstream | Fits downstream bank 1 sensor 2 on specific vehicle models.; Walker Products Aftermarket |
| 2010 | Saturn | Sky | 2.0L | L4 | GAS | Downstream | Fits downstream bank 1 sensor 2 on specific vehicle models.; Walker Products Aftermarket |
| 2009 | Chevrolet | Cobalt | 2.0L | L4 | GAS | Downstream | Fits downstream bank 1 sensor 2 on specific vehicle models.; Walker Products Aftermarket |
| 2009 | Chevrolet | HHR | 2.0L | L4 | GAS | Downstream | Fits downstream bank 1 sensor 2 on specific vehicle models.; Walker Products Aftermarket |
| 2009 | Pontiac | Solstice | 2.0L | L4 | GAS | Downstream | Fits downstream bank 1 sensor 2 on specific vehicle models.; Walker Products Aftermarket |
| 2009 | Saturn | Sky | 2.0L | L4 | GAS | Downstream | Fits downstream bank 1 sensor 2 on specific vehicle models.; Walker Products Aftermarket |
| 2008 | Chevrolet | Cobalt | 2.0L | L4 | GAS | Downstream | Fits downstream bank 1 sensor 2 on specific vehicle models.; Walker Products Aftermarket |
| 2008 | Chevrolet | HHR | 2.0L | L4 | GAS | Downstream | Fits downstream bank 1 sensor 2 on specific vehicle models.; Walker Products Aftermarket |
| 2008 | Pontiac | Solstice | 2.0L | L4 | GAS | Downstream | Fits downstream bank 1 sensor 2 on specific vehicle models.; Walker Products Aftermarket |
| 2008 | Saturn | Sky | 2.0L | L4 | GAS | Downstream | Fits downstream bank 1 sensor 2 on specific vehicle models.; Walker Products Aftermarket |
| 2007 | Saturn | Sky | 2.0L | L4 | GAS | Downstream | 2nd Design - 27" Lead; B1S2; 2do diseño - 686mm plomo; Downstream; Walker Products Aftermarket |
| 2007 | Saturn | Sky | 2.0L | L4 | GAS | Downstream | 2nd Design - 27" Lead; 2do diseño - 686mm plomo; Downstream; B1S2; Walker Products Aftermarket |
| 2007 | Saturn | Sky | 2.0L | L4 | GAS | Downstream | 2nd Design - 27" Lead; B1S2; Downstream; 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.