Walker 250-21025 Oxygen Sensor - Upstream

Overview of Walker 250-21025 Oxygen Sensor for Cadillac

The Walker 250-21025 oxygen sensor is designed specifically for Cadillac Eldorado and Seville models. This non-heated sensor ensures accurate emission control by monitoring oxygen levels in the exhaust system, helping maintain optimal engine performance and fuel efficiency.

• Wiring harness length: 4.45 inches
• Wire gauge measurement: 20 gauge
• Sensor type: Non heated
• Specific fit for Cadillac Eldorado and Seville
• Single wire configuration
• Radiused polygon male connector
• Thread diameter: 18.0 mm
• Overall length: 7.99 inches
• Threaded mounting type

Walker Products OE Line Details

This oxygen sensor is part of the Walker Products OE line, which focuses on providing original equipment quality parts tailored to specific vehicle applications. The OE line ensures that the 250-21025 sensor matches factory specifications for fit, form, and function, making it a reliable replacement for Cadillac Eldorado and Seville emission systems.

Product Description and Attributes

The Walker 250-21025 oxygen sensor features a non-heated design with a single 20-gauge wire, suitable for precise oxygen level detection in the exhaust stream. Its 4.45-inch wiring harness length and radiused polygon male connector facilitate a secure and exact fit. The sensor mounts via an 18.0 mm threaded connection, with an overall length of 7.99 inches, ensuring compatibility with the specific exhaust configurations of Cadillac Eldorado and Seville models.

Common Applications and Issues Addressed

• Helps maintain proper air-fuel mixture for efficient combustion
• Reduces harmful emissions by providing accurate oxygen readings
• Prevents engine performance issues related to faulty sensors
• Addresses check engine light triggers related to oxygen sensor faults
• Supports fuel economy by ensuring sensor accuracy

Installation Notes and Tips

When installing the Walker 250-21025 oxygen sensor, ensure the threaded mounting hole is clean and free of debris. Use appropriate anti-seize compound on the threads if recommended by the vehicle manufacturer. Confirm the radiused polygon male connector aligns correctly with the vehicle wiring harness to avoid connection issues. This sensor is designed for specific fitment on Cadillac Eldorado and Seville models, so verify compatibility before installation.

Quality Assurance and Warranty

Walker Products OE oxygen sensors are manufactured to meet or exceed original equipment standards. The 250-21025 part undergoes rigorous quality control to ensure durability and reliable performance in emission control systems. Warranty coverage details should be confirmed with the product documentation or supplier.