Walker 250-24745 Oxygen Sensor - Downstream

Overview of Walker 250-24745 Oxygen Sensor

The Walker 250-24745 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 providing precise air-fuel mixture data to the vehicle’s engine management system.

• Heated sensor type for faster response times
• Specific fit for Chevrolet Cobalt, Pontiac G5, Saturn Sky, and Chevrolet HHR
• 24.13-inch wiring harness length with 4 wires of 22 gauge
• Radiused polygon male connector for secure connection
• Threaded mounting type with 18.0 mm thread diameter
• Overall length of 27.68 inches for proper installation depth

Detailed Product Features and Specifications

This oxygen sensor from Walker Products OE is engineered with a 4-wire heated design, allowing it to reach operating temperature quickly and maintain accurate readings under various driving conditions. The 22 gauge wire ensures durability and reliable signal transmission. The 24.13-inch wiring harness length provides sufficient reach for installation in the exhaust system of compatible vehicles. The radiused polygon male connector offers a secure and precise fit, reducing the risk of connection issues. The sensor mounts via a threaded 18.0 mm diameter fitting, ensuring a stable and leak-free installation. With an overall length of 27.68 inches, this sensor fits correctly within the exhaust stream to monitor oxygen levels effectively.

Walker Products OE Brand Line Information

Walker Products OE focuses on delivering emission control components that meet original equipment specifications. This oxygen sensor is part of the Walker Products OE line, which emphasizes precise fitment and reliable performance for specific vehicle applications. The product line supports emissions compliance and engine efficiency by providing sensors that match factory standards for quality and durability.

Compatible Vehicles and Common Applications

• Chevrolet Cobalt oxygen sensor replacement
• Pontiac G5 emission sensor upgrade
• Saturn Sky oxygen sensor for emission control
• Chevrolet HHR sensor for improved fuel management
• Addressing issues like rough idling, poor fuel economy, and failed emissions tests

Installation Notes and Tips

When installing the Walker 250-24745 oxygen sensor, ensure the vehicle is cool to avoid burns. Use appropriate tools to remove the old sensor and avoid damaging the wiring harness. Confirm the connector shape and gender match the vehicle’s harness for a secure connection. Thread the sensor carefully into the exhaust port to prevent cross-threading. After installation, clear any diagnostic trouble codes and verify sensor operation with a scan tool.

Quality Assurance and Warranty

Walker Products OE oxygen sensors are manufactured to meet or exceed OEM standards for fit, form, and function. This part number 250-24745 undergoes rigorous testing to ensure durability and accurate sensor readings. While specific warranty details may vary, Walker typically offers coverage against defects in materials and workmanship to support long-term reliability.