Walker 250-54044 Oxygen Sensor - Upstream

Overview of Walker 250-54044 Oxygen Sensor for Mazda RX-8

The Walker Products OE 250-54044 oxygen sensor is designed specifically for the Mazda RX-8, ensuring precise emission control and optimal engine performance. This heated oxygen sensor features a threaded mounting type and a radiused polygon male connector for secure installation.

• Heated oxygen sensor for accurate emissions monitoring
• Specific fit for Mazda RX-8 models
• 21.18-inch wiring harness length with 4 wires of 20 gauge
• Threaded mounting with 18.0 mm thread diameter
• Radiused polygon male connector for reliable connection
• Overall length of 24.72 inches for proper placement

Detailed Product Features and Specifications

This Walker 250-54044 oxygen sensor is engineered with a 21.18-inch wiring harness and four 20-gauge wires, providing a robust electrical connection for accurate sensor readings. The heated sensor type allows for faster warm-up times, improving emission control efficiency shortly after engine start. The sensor’s threaded mounting type with an 18.0 mm thread diameter ensures a secure fit in the exhaust system. Its radiused polygon male connector is designed to match the factory specifications of the Mazda RX-8, preventing connection issues and ensuring compatibility.

Walker Products OE Line Description

The Walker Products OE line focuses on delivering original equipment quality parts that meet or exceed OEM standards. This oxygen sensor from the Walker Products OE line is manufactured to provide reliable performance and durability, matching the exact fit and function required by Mazda RX-8 vehicles. Using parts from this line helps maintain factory-level emission control and engine efficiency.

Common Applications and Problem Resolution

• Restores accurate oxygen sensing for proper air-fuel mixture control
• Helps resolve check engine light issues related to oxygen sensor faults
• Improves fuel efficiency by providing precise emissions data
• Reduces harmful exhaust emissions by maintaining sensor accuracy
• Prevents engine performance problems caused by faulty sensors

Installation Notes and Tips

When installing the Walker 250-54044 oxygen sensor on a Mazda RX-8, ensure the threaded mounting is tightened to manufacturer torque specifications to avoid exhaust leaks. Verify the radiused polygon male connector is fully seated to maintain a secure electrical connection. It is recommended to inspect the wiring harness for any damage before installation and replace if necessary to ensure optimal sensor function.

Quality Assurance and Warranty

Walker Products OE oxygen sensors are manufactured to meet stringent quality standards, ensuring reliable operation and durability. This part number 250-54044 is backed by Walker’s quality assurance processes, providing confidence in its fitment and performance for Mazda RX-8 vehicles. Please refer to Walker’s warranty policy for specific coverage details.