Walker 250-24788 Oxygen Sensor - Downstream Left or Downstream Right

Overview of Walker 250-24788 Oxygen Sensor for Chevrolet and Pontiac

The Walker 250-24788 oxygen sensor is designed specifically for select Chevrolet and Pontiac models, including the Caprice and G8. 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 Caprice and Pontiac G8 models
• Threaded mounting type with 18.0 mm thread diameter
• 10.35-inch wiring harness length with radiused polygon female connector
• 20 gauge wire for reliable electrical conductivity
• Overall length of 13.9 inches for proper installation depth

Walker Products OE Line and Its Relevance

This oxygen sensor is part of the Walker Products OE line, which focuses on delivering original equipment quality components. The Walker Products OE line ensures that parts like the 250-24788 oxygen sensor meet or exceed factory specifications, providing a direct replacement that maintains vehicle emissions compliance and engine efficiency.

Detailed Product Description and Attributes

The Walker 250-24788 oxygen sensor features a heated sensor type that allows for faster warm-up times and more accurate oxygen level detection. It includes a 4-wire configuration, which supports both the sensor signal and heater circuit, essential for maintaining consistent sensor operation. The wiring harness length of 10.35 inches and the radiused polygon female connector are designed for a secure and precise fit in the exhaust system of Chevrolet Caprice and Pontiac G8 vehicles. The sensor’s threaded mounting type with an 18.0 mm diameter ensures compatibility with the original exhaust manifold or pipe fittings. The 20 gauge wire measurement balances durability and electrical performance, while the overall length of 13.9 inches accommodates proper sensor placement within the exhaust stream.

Common Applications and Issues Addressed

• Helps resolve engine performance problems related to incorrect air-fuel mixture readings
• Reduces emissions by providing accurate oxygen level data to the engine control unit
• Addresses check engine light triggers caused by faulty oxygen sensors
• Improves fuel efficiency by enabling precise fuel management
• Prevents rough idling and hesitation linked to sensor malfunctions

Installation Notes and Tips

When installing the Walker 250-24788 oxygen sensor, ensure the vehicle is compatible with Chevrolet Caprice or Pontiac G8 models. Use proper tools to remove the old sensor and avoid damaging the wiring harness or connector. The radiused polygon female connector should align securely with the vehicle’s wiring harness. Thread the sensor carefully into the exhaust manifold or pipe to the specified torque to prevent leaks or sensor damage. It is recommended to inspect the wiring and connector for corrosion or damage before installation.

Quality Assurance and Warranty Information

Walker Products OE oxygen sensors are manufactured to meet original equipment standards, ensuring reliable performance and durability. The 250-24788 part number undergoes rigorous testing to comply with emissions regulations and vehicle specifications. While specific warranty details are not provided here, Walker typically offers coverage against defects in materials and workmanship. Consult product documentation or the manufacturer for exact warranty terms.