HomeEmission Control > SensorsWalker 250-24851 Oxygen Sensor - Upstream
Part #: 250-24851

Walker 250-24851 Oxygen Sensor - Upstream

Walker Products OE, Upstream
⚙️ 16 vehicles fit this part
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Select your vehicle to confirm fitment
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OE Direct Replacement — Bolt-on fit, no modifications needed
📦Walker Products OE, Upstream
🚗Fitment: Chevrolet and Pontiac, Aveo, Aveo5, and G3
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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.

BrandWalker
Part Number250-24851
PositionWalker Products OE, Upstream
Connector GenderMale
Connector ShapeRadiused Polygon
Mounting TypeThreaded
Overall Length14.88
Sensor TypeHeated
Thread Diameter18.0
Universal Or Specific FitSpecific
Wire Gauge Measurement22
Wire Quantity4
Wiring Harness Length11.34

This part fits 16 vehicles. Search below:

YearMakeModelLitersCylindersFuel TypePositionNotes
2011ChevroletAveo1.6LL4GASUpstreamBank 1 Sensor 1 needs an upstream oxygen sensor.; Walker Products OE
2011ChevroletAveo1.6LL4GASUpstreamFront oxygen sensor compatible with various vehicle models.; Walker Products OE
2011ChevroletAveo51.6LL4GASUpstreamBank 1 Sensor 1 needs an upstream oxygen sensor.; Walker Products OE
2011ChevroletAveo51.6LL4GASUpstreamFront oxygen sensor compatible with various vehicle models.; Walker Products OE
2010ChevroletAveo1.6LL4GASUpstreamBank 1 Sensor 1 needs an upstream oxygen sensor.; Walker Products OE
2010ChevroletAveo1.6LL4GASUpstreamFront oxygen sensor compatible with various vehicle models.; Walker Products OE
2010ChevroletAveo51.6LL4GASUpstreamBank 1 Sensor 1 needs an upstream oxygen sensor.; Walker Products OE
2010ChevroletAveo51.6LL4GASUpstreamFront oxygen sensor compatible with various vehicle models.; Walker Products OE
2010PontiacG31.6LL4UpstreamBank 1 Sensor 1 needs an upstream oxygen sensor.; Walker Products OE
2010PontiacG31.6LL4UpstreamFront oxygen sensor compatible with various vehicle models.; Walker Products OE
2009ChevroletAveo1.6LL4GASUpstreamBank 1 Sensor 1 needs an upstream oxygen sensor.; Walker Products OE
2009ChevroletAveo1.6LL4GASUpstreamFront oxygen sensor compatible with various vehicle models.; Walker Products OE
2009ChevroletAveo51.6LL4GASUpstreamBank 1 Sensor 1 needs an upstream oxygen sensor.; Walker Products OE
2009ChevroletAveo51.6LL4GASUpstreamFront oxygen sensor compatible with various vehicle models.; Walker Products OE
2009PontiacG31.6LL4GASUpstreamBank 1 Sensor 1 needs an upstream oxygen sensor.; Walker Products OE
2009PontiacG31.6LL4GASUpstreamFront 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.