Walker 250-24782 Oxygen Sensor - Downstream

Overview of Walker 250-24782 Oxygen Sensor for Mazda CX-7

The Walker Products OE 250-24782 oxygen sensor is designed specifically for the Mazda CX-7, providing precise emission control and engine performance monitoring. This heated oxygen sensor features a threaded mounting type and a radiused polygon female connector for secure installation.

• Heated oxygen sensor with 4-wire configuration
• Specific fit for Mazda CX-7 models
• 23.15-inch wiring harness length for flexible placement
• 20 gauge wire for reliable signal transmission
• Threaded mounting with 18.0 mm thread diameter
• Radiused polygon female connector for secure connection
• Overall length of 26.69 inches

Walker Products OE Line Details

The Walker Products OE line focuses on delivering original equipment quality parts that meet or exceed factory specifications. The 250-24782 oxygen sensor is part of this line, ensuring compatibility and performance tailored to the Mazda CX-7’s emission control system. This product line emphasizes precise fitment and durability for emission sensors.

Product Features and Specifications

This oxygen sensor is a heated type, which allows it to reach operating temperature quickly for accurate readings. It includes four wires with a 20 gauge measurement, supporting stable electrical signals. The wiring harness length of 23.15 inches provides sufficient reach for installation without excess slack. The sensor mounts via an 18.0 mm threaded connection, ensuring a secure fit in the exhaust system. The connector is a radiused polygon female type, designed to match the vehicle’s factory wiring harness.

Common Applications and Issues Addressed

• Maintains proper air-fuel mixture for efficient combustion
• Helps reduce harmful emissions in Mazda CX-7 vehicles
• Prevents engine performance issues related to faulty oxygen sensors
• Resolves check engine light triggers caused by sensor failure
• Supports optimal fuel economy by providing accurate sensor data

Installation Notes and Tips

When installing the Walker 250-24782 oxygen sensor, ensure the vehicle is cool to avoid burns. Use appropriate tools to remove the old sensor and avoid damaging the threaded mounting hole. Verify the connector matches the factory harness before securing the sensor. Proper torque should be applied to the 18.0 mm threaded fitting to prevent leaks. Inspect wiring for any damage during installation.

Quality Assurance and Warranty

Walker Products OE oxygen sensors are manufactured to meet strict quality standards for durability and performance. The 250-24782 part number undergoes rigorous testing to ensure reliable operation in Mazda CX-7 vehicles. Warranty coverage details are provided by Walker and typically cover defects in materials and workmanship under normal use.