Walker 250-54029 Oxygen Sensor - Upstream

Overview of Walker 250-54029 Oxygen Sensor for Mazda 3

The Walker Products OE 250-54029 oxygen sensor is designed specifically for Mazda 3 models, 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 for accurate emissions monitoring
• Specific fit for Mazda 3 vehicles
• 15.67-inch wiring harness length with 4 wires
• 20 gauge wire measurement for durability
• Threaded mounting with 18.0 mm thread diameter
• Radiused polygon female connector for reliable connection
• Overall length of 19.21 inches for proper fitment

Detailed Product Description

The Walker Products OE 250-54029 oxygen sensor is engineered to meet the exact specifications of Mazda 3 models, ensuring compatibility and optimal performance. This heated sensor uses a 4-wire design with 20 gauge wiring, which supports faster sensor warm-up times and improved signal accuracy. The 15.67-inch wiring harness length and radiused polygon female connector provide a secure and precise fit, reducing the risk of connection issues. The threaded mounting type with an 18.0 mm thread diameter allows for straightforward installation and a stable sensor position within the exhaust system.

Walker Products OE is a product line focused on delivering original equipment quality parts that meet or exceed OEM standards. This oxygen sensor is part of that line, ensuring it integrates seamlessly with your Mazda 3’s emission control system for reliable operation and compliance with emissions regulations.

Common Applications and Issues Addressed

• Maintains accurate air-fuel mixture readings for engine control
• Helps reduce harmful emissions by monitoring exhaust gases
• Prevents engine performance issues related to faulty oxygen sensors
• Resolves check engine light triggers caused by sensor failure
• Improves fuel efficiency by providing precise sensor data

Installation Notes and Tips

• Ensure the vehicle is cool before sensor removal to avoid burns
• Use appropriate tools for the 18.0 mm threaded sensor to prevent damage
• Verify connector type matches the radiused polygon female connector on the vehicle
• Check wiring harness length (15.67 inches) for proper routing and connection
• Follow vehicle manufacturer torque specifications during installation

Quality Assurance and Warranty

Walker Products OE oxygen sensors are manufactured to meet strict quality standards, ensuring durability and reliable performance. While specific warranty details for part number 250-54029 may vary, Walker typically offers coverage against defects in materials and workmanship. Always consult product documentation or the vehicle service manual for warranty and installation guidance.