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Walker 350-34211 Oxygen Sensor - Downstream
Reliable Oxygen Sensor for Chevrolet Cavalier and Pontiac Sunfire
The Walker 350-34211 oxygen sensor is designed specifically for Chevrolet Cavalier and Pontiac Sunfire models. This heated oxygen sensor ensures accurate emissions control and optimal engine performance by providing precise air-fuel mixture data to the vehicle's engine control unit.
- Heated sensor type for faster response times
- Specific fit for Chevrolet Cavalier and Pontiac Sunfire
- Threaded mounting type with 18.0 mm thread diameter
- 53.66 inches wiring harness length with 4 wires of 20 gauge
- Radiused polygon male connector for secure connection
- Overall length of 57.2 inches for proper installation
Walker Products Aftermarket Line Overview
The Walker Products Aftermarket line offers a range of emission control components engineered to meet or exceed OEM specifications. This oxygen sensor from Walker Products Aftermarket is built to provide reliable performance and durability, ensuring compatibility and proper function in Chevrolet Cavalier and Pontiac Sunfire vehicles.
Detailed Oxygen Sensor Description
This Walker oxygen sensor (part number 350-34211) features a heated sensor element that allows it to reach operating temperature quickly, improving emissions control efficiency. The sensor includes a 4-wire configuration with 20 gauge wiring, providing stable signal transmission. Its radiused polygon male connector ensures a secure and precise fit, while the threaded mounting type with an 18.0 mm diameter allows for straightforward installation. The wiring harness length of 53.66 inches and overall length of 57.2 inches are designed to accommodate the specific routing requirements of the Chevrolet Cavalier and Pontiac Sunfire models.
Common Applications and Issues Addressed
- Helps maintain proper air-fuel ratio for efficient combustion
- Reduces harmful emissions by providing accurate sensor data
- Prevents engine performance issues related to faulty oxygen sensors
- Addresses check engine light triggers related to oxygen sensor faults
- Supports smooth engine idling and acceleration
Installation Notes and Tips
Ensure the vehicle is cool before beginning installation to avoid burns. Use the correct tools to remove the old sensor and install the Walker 350-34211 oxygen sensor. Verify the connector type matches the vehicle harness to avoid connection issues. Thread the sensor carefully to prevent damage to the mounting threads. After installation, clear any diagnostic trouble codes and perform a test drive to confirm proper operation.
Quality Assurance and Warranty
Walker Products Aftermarket oxygen sensors are manufactured to meet strict quality standards. While specific warranty details for part number 350-34211 should be confirmed with the supplier, Walker typically offers coverage against defects in materials and workmanship to ensure reliable performance in Chevrolet Cavalier and Pontiac Sunfire vehicles.
| Brand | Walker |
| Part Number | 350-34211 |
| Position | Walker Products Aftermarket, Downstream |
| Connector Gender | Male |
| Connector Shape | Radiused Polygon |
| Mounting Type | Threaded |
| Overall Length | 57.2 |
| Sensor Type | Heated |
| Thread Diameter | 18.0 |
| Universal Or Specific Fit | Specific |
| Wire Gauge Measurement | 20 |
| Wire Quantity | 4 |
| Wiring Harness Length | 53.66 |
This part fits 11 vehicles. Search below:
| Year | Make | Model | Liters | Cylinders | Fuel Type | Position | Notes |
|---|---|---|---|---|---|---|---|
| 2001 | Chevrolet | Cavalier | 2.2L | L4 | GAS | Downstream | Fits downstream bank 1 sensor 2 on specific vehicle models.; Walker Products Aftermarket |
| 2001 | Pontiac | Sunfire | 2.2L | L4 | GAS | Downstream | Fits downstream bank 1 sensor 2 on specific vehicle models.; Walker Products Aftermarket |
| 2000 | Chevrolet | Cavalier | 2.2L | L4 | GAS | Downstream | Fits downstream bank 1 sensor 2 on specific vehicle models.; Walker Products Aftermarket |
| 2000 | Chevrolet | Cavalier | 2.2L | L4 | BI-FUEL | Downstream | Fits downstream bank 1 sensor 2 on specific vehicle models.; Walker Products Aftermarket |
| 2000 | Pontiac | Sunfire | 2.2L | L4 | GAS | Downstream | Fits downstream bank 1 sensor 2 on specific vehicle models.; Walker Products Aftermarket |
| 1999 | Chevrolet | Cavalier | 2.2L | L4 | GAS | Downstream | Fits downstream bank 1 sensor 2 on specific vehicle models.; Walker Products Aftermarket |
| 1999 | Chevrolet | Cavalier | 2.2L | L4 | BI-FUEL | Downstream | Fits downstream bank 1 sensor 2 on specific vehicle models.; Walker Products Aftermarket |
| 1999 | Pontiac | Sunfire | 2.2L | L4 | GAS | Downstream | Fits downstream bank 1 sensor 2 on specific vehicle models.; Walker Products Aftermarket |
| 1998 | Chevrolet | Cavalier | 2.2L | L4 | GAS | Downstream | Fits downstream bank 1 sensor 2 on specific vehicle models.; Walker Products Aftermarket |
| 1997 | Chevrolet | Cavalier | 2.2L | L4 | GAS | Downstream | Fits downstream bank 1 sensor 2 on specific vehicle models.; Walker Products Aftermarket |
| 1996 | Chevrolet | Cavalier | 2.2L | L4 | GAS | Downstream | Fits downstream bank 1 sensor 2 on specific vehicle models.; 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.