Bosch 13887 Oxygen Sensor - Upstream

Reliable Oxygen Sensor for Mazda Protege and Protege5

The Bosch Engineered Oxygen Sensor 13887 is designed specifically for Mazda Protege and Protege5 models. This narrow-band heated oxygen sensor ensures accurate emissions control and optimal engine performance by precisely monitoring exhaust gases.

• Specific fit for Mazda Protege and Protege5
• Heated narrow-band oxygen sensor for improved response
• Threaded mounting type with 18 mm thread diameter and 22 mm hex size
• Includes 13.2-inch wiring harness with 4-pin female connector
• Durable metal housing finished in steel for long-lasting use
• Overall length of 16.9 inches with 15.7-inch sealing surface to connector length

About the Bosch Engineered Oxygen Sensor Line

The Bosch Engineered Oxygen Sensor line focuses on delivering precise and reliable emission control components tailored to specific vehicle applications. The 13887 sensor is part of this line, offering a standard replacement grade oxygen sensor engineered to meet OEM specifications for Mazda Protege and Protege5 models. This ensures compatibility and consistent performance in emission monitoring systems.

Product Details and Specifications

This Bosch oxygen sensor features a narrow-band heated sensor type, which allows for faster warm-up times and more accurate air-fuel mixture readings. The sensor is threaded with an 18 mm diameter and includes a 22 mm hex size for easy installation. The wiring harness is 13.2 inches long and includes a 4-wire, 4-pin female connector with a rectangular shape, ensuring a secure and precise electrical connection. The sensor’s metal housing finished in steel provides durability under high-temperature exhaust conditions. Weighing approximately 0.24 lbs, this sensor is designed for specific fitment and does not include a mounting bracket.

Common Applications and Issues Addressed

• Replacement for faulty or failing oxygen sensors in Mazda Protege and Protege5
• Helps resolve engine performance issues related to incorrect air-fuel mixture
• Improves emissions control and reduces exhaust pollutants
• Addresses check engine light triggers related to oxygen sensor faults
• Supports proper fuel economy by providing accurate sensor data

Installation Notes and Tips

Installation requires a threaded mounting point with an 18 mm thread size. Use a 22 mm wrench or socket for sensor removal and installation. Ensure the wiring harness is properly connected to the vehicle’s female 4-pin connector to maintain sensor functionality. Avoid damaging the sensor’s wiring during installation and verify the sensor is securely threaded to prevent exhaust leaks.

Quality Assurance and Warranty

The Bosch Engineered Oxygen Sensor 13887 is manufactured to meet OEM standards for fit, form, and function. It is a standard replacement grade sensor designed for reliable operation in Mazda Protege and Protege5 vehicles. While specific warranty details are not provided here, Bosch products typically come with manufacturer-backed quality assurance to ensure durability and performance.