Bosch 13967 Oxygen Sensor - Downstream

Reliable Oxygen Sensor for Mazda 626 Emission Control

The Bosch Validated Oxygen Sensor 13967 is designed specifically for Mazda 626 models, ensuring precise emission control and optimal engine performance. This narrow-band heated oxygen sensor offers a direct fit replacement with a durable metal housing and integrated wiring harness.

Key Features of Bosch Oxygen Sensor 13967

• Specific fit for Mazda 626 for accurate installation
• Heated narrow-band oxygen sensor type for efficient exhaust monitoring
• Threaded mounting type with 18 mm thread diameter and 22 mm hex size
• Includes a 13.5-inch wiring harness with 4-pin rectangular female connector
• Standard replacement grade with metal housing and steel finish
• Overall length of 16.9 inches and wiring harness length of 13.5 inches
• Connector and terminal gender both female, ensuring proper connection
• Wiring harness included for straightforward installation

About the Bosch Validated Oxygen Sensor Line

The Bosch Validated Oxygen Sensor product line focuses on delivering sensors that meet strict OEM specifications for fit, form, and function. This ensures that the Bosch 13967 oxygen sensor provides reliable emission control performance tailored to specific vehicle applications like the Mazda 626. The line emphasizes quality materials and precise engineering to maintain engine efficiency and reduce harmful emissions.

Detailed Product Description

The Bosch 13967 oxygen sensor is a narrow-band heated sensor designed to monitor the oxygen content in the exhaust gases of Mazda 626 vehicles. Its threaded mounting type with an 18 mm diameter and 22 mm hex size allows for secure installation. The sensor features a metal housing with a steel finish, providing durability under high-temperature conditions. The included wiring harness measures 13.5 inches and has a 4-wire configuration with a rectangular female connector, facilitating a direct and secure connection to the vehicle’s electrical system. This sensor is a standard replacement part, engineered to maintain the emission control system’s accuracy and efficiency.

Common Applications and Issues Addressed

• Restores proper air-fuel mixture readings for Mazda 626 engines
• Helps resolve check engine light triggers related to oxygen sensor faults
• Improves fuel efficiency by providing accurate exhaust gas data
• Reduces harmful emissions by ensuring optimal catalytic converter function
• Prevents engine performance issues caused by faulty oxygen sensors

Installation Notes and Tips

• Ensure the vehicle is cool before removing the old sensor to avoid burns
• Use a 22 mm oxygen sensor socket for proper removal and installation
• Verify the connector type matches the vehicle’s wiring harness (4-pin female rectangular)
• Do not overtighten; torque to manufacturer specifications for the 18 mm threaded sensor
• Inspect wiring harness for damage before installation to ensure reliable connection

Quality Assurance and Warranty

The Bosch Validated Oxygen Sensor 13967 is manufactured to meet OEM standards for durability and performance. Bosch provides quality assurance through rigorous testing and validation processes. While specific warranty details may vary, Bosch typically offers a limited warranty covering defects in materials and workmanship to support long-term reliability in Mazda 626 emission control systems.