Walker 250-23094 Oxygen Sensor - Upstream Rear

Overview of Walker 250-23094 Oxygen Sensor for Mazda Millenia

The Walker Products OE 250-23094 oxygen sensor is designed specifically for the Mazda Millenia, ensuring precise emission control and optimal engine performance. This heated oxygen sensor features a threaded mounting type and a radiused polygon female connector for secure installation.

• Wiring harness length: 11.34 inches
• Wire gauge measurement: 20 gauge
• Heated sensor type for faster response
• Specific fit for Mazda Millenia
• Three-wire configuration
• Radiused polygon female connector
• Thread diameter: 18.0 mm
• Overall length: 14.88 inches
• Threaded mounting type

Detailed Product Description

The Walker Products OE 250-23094 oxygen sensor is engineered to meet the exact specifications of the Mazda Millenia. This heated oxygen sensor uses a three-wire design with a 20-gauge wire gauge measurement, providing reliable signal transmission and quicker sensor warm-up times. The wiring harness length of 11.34 inches and overall length of 14.88 inches allow for proper fitment and ease of installation. The sensor’s threaded mounting type with an 18.0 mm thread diameter ensures a secure and leak-free connection. The radiused polygon female connector is designed for a precise fit, reducing the risk of connector damage or disconnection during operation.

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, offering a direct replacement solution for emission control systems in the Mazda Millenia, helping maintain factory-level performance and emissions compliance.

Common Applications and Issues Addressed

• Restores accurate air-fuel mixture readings for the Mazda Millenia
• Helps resolve rough idling and poor fuel economy
• Reduces engine hesitation and stalling issues
• Prevents check engine light related to oxygen sensor faults
• Supports emission system compliance and reduces harmful exhaust gases

Installation Notes and Tips

• Ensure the vehicle is cool before removing the old sensor 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 for proper connection
• Check wiring harness length (11.34 inches) for compatibility with your vehicle’s routing
• Follow torque specifications recommended by Mazda for sensor installation

Quality Assurance and Warranty

The Walker Products OE 250-23094 oxygen sensor is manufactured to meet strict quality standards, ensuring durability and reliable performance in emission control applications. While specific warranty details are not provided here, Walker Products OE parts typically come with a limited warranty covering defects in materials and workmanship. Always consult product documentation or the manufacturer for exact warranty terms.