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Walker 250-24851 Oxygen Sensor - Upstream
Overview of Walker 250-24851 Oxygen Sensor for Chevrolet Aveo and Pontiac G3
The Walker 250-24851 oxygen sensor is designed specifically for select Chevrolet Aveo, Aveo5, and Pontiac G3 models. This heated oxygen sensor ensures accurate emissions control and optimal engine performance by monitoring exhaust gases effectively.
- Heated oxygen sensor with 4-wire design for precise readings
- Specific fit for Chevrolet Aveo, Aveo5, and Pontiac G3
- 11.34-inch wiring harness length with 22 gauge wire
- Radiused polygon male connector for secure connection
- Threaded mounting type with 18.0 mm thread diameter
- Overall length of 14.88 inches for proper installation
Detailed Features and Specifications
This Walker Products OE oxygen sensor (part number 250-24851) features a heated sensor type that allows for faster warm-up times and improved sensor response. The 4-wire configuration includes two wires for the heater circuit and two for the sensor signal, ensuring reliable operation. The wiring harness length of 11.34 inches and 22 gauge wire provide durability and flexibility during installation. The sensor’s radiused polygon male connector is designed for a secure and precise fit, reducing the risk of connection issues. With a threaded mounting type and an 18.0 mm thread diameter, this sensor installs directly into the exhaust system for accurate monitoring of oxygen levels.
Walker Products OE Brand Line Information
The Walker Products OE line focuses on delivering original equipment quality parts that meet or exceed OEM specifications. This oxygen sensor is engineered to provide consistent performance and durability, matching the standards expected by Chevrolet and Pontiac vehicles. Choosing a Walker Products OE sensor ensures compatibility and reliability for emission control systems in the specified models.
Common Applications and Problem Resolution
- Restores proper air-fuel mixture readings for Chevrolet Aveo and Pontiac G3
- Helps resolve engine performance issues related to faulty oxygen sensors
- Reduces emissions by providing accurate exhaust gas data
- Prevents check engine light triggers caused by sensor failure
- Improves fuel efficiency by maintaining optimal combustion
Installation Notes and Tips
When installing the Walker 250-24851 oxygen sensor, ensure the vehicle is cool to avoid burns. Use appropriate tools to remove the old sensor and avoid damaging the wiring harness. The 18.0 mm threaded sensor should be tightened to manufacturer torque specifications to prevent exhaust leaks. Verify the radiused polygon male connector is fully seated to maintain a secure electrical connection. Proper installation will help maintain sensor accuracy and vehicle emissions compliance.
Quality Assurance and Warranty
Walker Products OE oxygen sensors are manufactured to meet strict quality standards, ensuring reliable performance and durability. This part number 250-24851 undergoes rigorous testing to comply with emission control requirements for Chevrolet Aveo, Aveo5, and Pontiac G3 models. While specific warranty details may vary, Walker typically offers coverage against defects in materials and workmanship to support long-term use.
| Brand | Walker |
| Part Number | 250-24851 |
| Position | Walker Products OE, Upstream |
| Connector Gender | Male |
| Connector Shape | Radiused Polygon |
| Mounting Type | Threaded |
| Overall Length | 14.88 |
| Sensor Type | Heated |
| Thread Diameter | 18.0 |
| Universal Or Specific Fit | Specific |
| Wire Gauge Measurement | 22 |
| Wire Quantity | 4 |
| Wiring Harness Length | 11.34 |
This part fits 16 vehicles. Search below:
| Year | Make | Model | Liters | Cylinders | Fuel Type | Position | Notes |
|---|---|---|---|---|---|---|---|
| 2011 | Chevrolet | Aveo | 1.6L | L4 | GAS | Upstream | Bank 1 Sensor 1 needs an upstream oxygen sensor.; Walker Products OE |
| 2011 | Chevrolet | Aveo | 1.6L | L4 | GAS | Upstream | Front oxygen sensor compatible with various vehicle models.; Walker Products OE |
| 2011 | Chevrolet | Aveo5 | 1.6L | L4 | GAS | Upstream | Bank 1 Sensor 1 needs an upstream oxygen sensor.; Walker Products OE |
| 2011 | Chevrolet | Aveo5 | 1.6L | L4 | GAS | Upstream | Front oxygen sensor compatible with various vehicle models.; Walker Products OE |
| 2010 | Chevrolet | Aveo | 1.6L | L4 | GAS | Upstream | Bank 1 Sensor 1 needs an upstream oxygen sensor.; Walker Products OE |
| 2010 | Chevrolet | Aveo | 1.6L | L4 | GAS | Upstream | Front oxygen sensor compatible with various vehicle models.; Walker Products OE |
| 2010 | Chevrolet | Aveo5 | 1.6L | L4 | GAS | Upstream | Bank 1 Sensor 1 needs an upstream oxygen sensor.; Walker Products OE |
| 2010 | Chevrolet | Aveo5 | 1.6L | L4 | GAS | Upstream | Front oxygen sensor compatible with various vehicle models.; Walker Products OE |
| 2010 | Pontiac | G3 | 1.6L | L4 | Upstream | Bank 1 Sensor 1 needs an upstream oxygen sensor.; Walker Products OE | |
| 2010 | Pontiac | G3 | 1.6L | L4 | Upstream | Front oxygen sensor compatible with various vehicle models.; Walker Products OE | |
| 2009 | Chevrolet | Aveo | 1.6L | L4 | GAS | Upstream | Bank 1 Sensor 1 needs an upstream oxygen sensor.; Walker Products OE |
| 2009 | Chevrolet | Aveo | 1.6L | L4 | GAS | Upstream | Front oxygen sensor compatible with various vehicle models.; Walker Products OE |
| 2009 | Chevrolet | Aveo5 | 1.6L | L4 | GAS | Upstream | Bank 1 Sensor 1 needs an upstream oxygen sensor.; Walker Products OE |
| 2009 | Chevrolet | Aveo5 | 1.6L | L4 | GAS | Upstream | Front oxygen sensor compatible with various vehicle models.; Walker Products OE |
| 2009 | Pontiac | G3 | 1.6L | L4 | GAS | Upstream | Bank 1 Sensor 1 needs an upstream oxygen sensor.; Walker Products OE |
| 2009 | Pontiac | G3 | 1.6L | L4 | GAS | Upstream | Front oxygen sensor compatible with various vehicle models.; Walker Products OE |
* 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.