Walker 250-24949 Oxygen Sensor - Upstream

Overview of Walker Products OE Oxygen Sensor 250-24949

The Walker Products OE Oxygen Sensor 250-24949 is designed specifically for Chevrolet Astra models, ensuring precise emission control and optimal engine performance. This heated oxygen sensor features a specific fit and advanced wiring specifications tailored to meet OEM standards.

• Heated oxygen sensor for accurate emissions monitoring
• Specific fit for Chevrolet Astra vehicles
• 11.34-inch wiring harness length for proper installation
• 22 gauge wire measurement with 4 wires for reliable signal transmission
• Female connector with 18mm thread diameter
• Overall sensor length of 14.88 inches

Detailed Product Description

The Walker Products OE line focuses on delivering original equipment quality parts that meet or exceed factory specifications. The 250-24949 oxygen sensor is a heated sensor designed to provide faster warm-up times and more accurate readings of the air-fuel mixture in Chevrolet Astra engines. With a wiring harness length of 11.34 inches and 22 gauge wire, this sensor ensures stable electrical connections and signal integrity. The female connector and 18mm thread diameter allow for a secure and precise fit, reducing installation issues. The sensor’s overall length of 14.88 inches is engineered to match the specific requirements of the Chevrolet Astra, ensuring compatibility and performance.

Common Applications and Issues Addressed

• Helps maintain proper air-fuel ratio for efficient combustion
• Reduces emissions by accurately monitoring oxygen levels
• Prevents engine performance problems related to faulty sensors
• Addresses check engine light triggers caused by sensor failure
• Improves fuel economy by providing precise feedback to the engine control unit

Installation Notes and Tips

When installing the Walker Products OE oxygen sensor 250-24949 on a Chevrolet Astra, ensure the vehicle is cool to avoid burns. Use appropriate tools to remove the old sensor and avoid damaging the wiring harness. Confirm the female connector aligns correctly with the vehicle’s wiring system. Thread the sensor carefully into the exhaust manifold or pipe 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 parts are manufactured to meet stringent quality standards, ensuring durability and reliable performance. The 250-24949 oxygen sensor undergoes rigorous testing to comply with emission control requirements. While specific warranty details may vary, Walker typically offers coverage against defects in materials and workmanship, providing confidence in the sensor’s longevity and function.