Bosch 13879 Oxygen Sensor - Downstream, Downstream Right, Upstream or Upstream Right

Reliable Oxygen Sensor for Kia and Mazda Vehicles

The Bosch Engineered Oxygen Sensor 13879 is designed specifically for select Kia and Mazda models, including the Miata, Millenia, MX-3, Protege, and Sephia. This narrow-band heated oxygen sensor ensures accurate emission control and optimal engine performance.

• Specific fit for Kia and Mazda models
• Heated narrow-band oxygen sensor type
• Threaded mounting with 18 mm thread diameter
• 35.7-inch wiring harness length with 4-pin rectangular female connector
• Standard replacement grade with metal housing and steel finish
• Overall length of 39.4 inches for precise installation

About the Bosch Engineered Oxygen Sensor Line

The Bosch Engineered Oxygen Sensor line focuses on delivering reliable emission control components tailored to exact vehicle specifications. This part number 13879 is part of that line, offering a standard replacement narrow-band heated sensor designed to meet OEM standards for Kia and Mazda vehicles. The product line emphasizes durability and compatibility, ensuring proper sensor function and emission regulation.

Product Details and Specifications

This oxygen sensor features a 4-wire configuration with a 4-pin rectangular female connector, providing secure and accurate electrical connections. The sensor is heated to improve response time and maintain accurate readings under various operating conditions. Its metal housing and steel finish contribute to durability and resistance to harsh engine environments. The threaded mounting type with an 18 mm thread diameter allows for straightforward installation in compatible exhaust systems. The wiring harness length of 35.7 inches and overall length of 39.4 inches ensure proper fitment without strain on the wiring.

Common Applications and Issues Addressed

• Restores accurate air-fuel mixture readings for Kia Miata and Mazda MX-3
• Resolves check engine light triggers related to oxygen sensor faults
• Improves fuel efficiency by providing precise emission data
• Helps reduce harmful exhaust emissions in Kia Millenia and Mazda Protege
• Prevents engine performance issues caused by faulty oxygen sensors in Sephia models

Installation Notes and Tips

Ensure the vehicle is cool before installation to avoid burns. Use a 22 mm hex socket for sensor removal and installation. Verify the connector type matches the vehicle harness to avoid electrical issues. The threaded mounting requires proper torque to prevent exhaust leaks. No mounting bracket is included, so use the existing mounting point on the vehicle.

Quality Assurance and Warranty

The Bosch Engineered Oxygen Sensor 13879 is manufactured to meet OEM specifications for fit and function. It undergoes rigorous testing to ensure durability and reliable performance in emission control systems. While specific warranty details are not provided here, Bosch products typically come with a limited warranty covering defects in materials and workmanship.