Walker 250-24353 Oxygen Sensor - Downstream or Downstream Rear

Overview of Walker Products OE Oxygen Sensor 250-24353

The Walker Products OE Oxygen Sensor 250-24353 is designed specifically for select Saab, Saturn, and Volvo 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 management system.

• Heated oxygen sensor with 4-wire configuration
• Specific fit for Saab 9-3, 9-3X; Saturn L300, LS2, LW2, LW300; Volvo S80
• Threaded mounting type with 18.0 mm thread diameter
• Radiused polygon male connector for secure electrical connection
• Wiring harness length of 38.7 inches and overall length of 42.24 inches
• Wire gauge measurement of 22 for reliable signal transmission

Detailed Product Description

The Walker Products OE line focuses on delivering original equipment quality parts that meet or exceed factory specifications. The 250-24353 oxygen sensor is a heated sensor type, which allows it to reach operating temperature quickly for faster and more accurate readings. It features a 4-wire design, including two wires for the heater circuit and two for the sensor signal, ensuring consistent performance and durability. The sensor’s threaded mounting type with an 18.0 mm diameter allows for straightforward installation in compatible exhaust systems.

The radiused polygon male connector provides a secure and precise fit, reducing the risk of electrical issues. With a wiring harness length of 38.7 inches and an overall length of 42.24 inches, this sensor is engineered to fit the specific routing and space requirements of the supported Saab, Saturn, and Volvo models.

Compatible Vehicles and Applications

This oxygen sensor is compatible with the following vehicles:

• Saab 9-3 and 9-3X
• Saturn L300, LS2, LW2, LW300
• Volvo S80

It is designed to replace the original oxygen sensor in these models, helping to maintain proper emissions control and engine efficiency.

Common Issues Addressed by Oxygen Sensor 250-24353

• Check engine light triggered by faulty oxygen sensor readings
• Poor fuel economy due to incorrect air-fuel mixture
• Increased emissions and failed emissions tests
• Engine hesitation or rough idling caused by sensor malfunction
• Reduced engine performance and drivability issues

Installation Notes and Tips

• Ensure the vehicle is cool before removing the old sensor to avoid burns
• Use appropriate tools for threaded sensor removal and installation
• Verify connector type matches the vehicle harness before installation
• Do not over-tighten the sensor; follow manufacturer torque specifications
• Inspect wiring harness for damage and secure connections to prevent signal loss

Quality Assurance and Warranty

Walker Products OE parts are manufactured to meet original equipment standards, ensuring reliable performance and durability. The 250-24353 oxygen sensor undergoes rigorous testing to comply with emissions control requirements. Warranty coverage details should be confirmed with the product documentation or supplier.