Walker 250-23086 Oxygen Sensor - Upstream

Overview of Walker 250-23086 Oxygen Sensor for Mazda Vehicles

The Walker 250-23086 oxygen sensor is designed specifically for select Mazda models, including the 929 and MPV. This heated oxygen sensor ensures accurate emission control and optimal engine performance by monitoring exhaust gases effectively.

• Heated oxygen sensor with 3-wire configuration
• Specific fit for Mazda 929 and MPV models
• 18.03-inch wiring harness length for precise installation
• Threaded mounting type with 18.0 mm thread diameter
• Radiused polygon male connector for secure connection
• Wire gauge measurement of 20 for reliable signal transmission
• Overall length of 21.57 inches for proper fitment

Detailed Features and Specifications

This Walker Products OE oxygen sensor (part number 250-23086) is engineered with a heated sensor element to provide faster response times and improved fuel efficiency. The 3-wire design supports both sensor heating and signal output, ensuring consistent performance under various operating conditions. The wiring harness length of 18.03 inches allows for proper routing within the engine bay, while the radiused polygon male connector ensures a secure and precise electrical connection. The threaded mounting type with an 18.0 mm diameter thread guarantees compatibility with the exhaust system of Mazda 929 and MPV models.

Walker Products OE Brand Line Information

The Walker Products OE line focuses on delivering emission control components that meet or exceed original equipment specifications. This oxygen sensor is part of that line, providing a direct replacement solution designed to maintain factory-level performance and emissions compliance for Mazda vehicles. Using a Walker Products OE sensor helps ensure proper engine management and emission system operation.

Common Applications and Problem Resolution

• Restores accurate oxygen level readings for engine control units
• Helps resolve rough idling and poor fuel economy issues
• Addresses check engine light triggers related to oxygen sensor faults
• Improves emission system efficiency and reduces exhaust pollutants
• Prevents drivability problems caused by faulty sensor signals

Installation Notes and Tips

When installing the Walker 250-23086 oxygen sensor, ensure the threaded mounting hole is clean and free of debris. Use anti-seize compound on the threads if recommended by the vehicle manufacturer to facilitate future removal. Verify the connector matches the radiused polygon male shape for a secure fit. Properly route the 18.03-inch wiring harness to avoid contact with hot or moving engine components.

Quality Assurance and Warranty

Walker Products OE oxygen sensors are manufactured to meet strict quality standards and undergo rigorous testing to ensure durability and performance. This part number 250-23086 is backed by Walker's quality assurance protocols, providing confidence in its reliability for Mazda 929 and MPV emission control applications.