Bosch 15386 Oxygen Sensor - Downstream

Overview of Bosch Validated Oxygen Sensor 15386

The Bosch Validated Oxygen Sensor 15386 is designed specifically for Mazda 6 models, providing precise emission control and engine performance monitoring. This narrow-band heated oxygen sensor ensures accurate air-fuel mixture readings to help maintain optimal combustion efficiency.

• Specific fit for Mazda 6 vehicles
• Heated narrow-band oxygen sensor type
• Threaded mounting with 18 mm thread diameter
• 19.6-inch wiring harness length with connector included
• Standard replacement grade with metal housing
• 4-pin female rectangular connector
• Overall length of 23 inches for proper installation

Detailed Product Features and Specifications

The Bosch Validated Oxygen Sensor 15386 features a heated narrow-band sensor type, which allows for faster sensor response and improved emission control. It comes with a 19.6-inch wiring harness and a 4-wire configuration, including a 4-pin female rectangular connector designed for a specific fit on Mazda 6 models. The sensor is threaded with an 18 mm diameter and a 22 mm hex size for secure mounting and easy installation. Constructed with a durable metal housing finished in steel, this sensor is built to withstand harsh engine conditions. The overall length of 23 inches and a length of 21.9 inches from the sealing surface to the end of the connector ensure compatibility with the vehicle’s exhaust system layout.

About the Bosch Validated Oxygen Sensor Product Line

The Bosch Validated Oxygen Sensor line is engineered to meet strict OEM standards, providing reliable and accurate sensor performance. This product line focuses on delivering sensors that are tested and validated for specific vehicle applications, such as the Mazda 6, ensuring proper fitment and function. The 15386 part number is part of this line, offering a standard replacement option with heated sensor technology to support emission control systems effectively.

Common Applications and Issues Addressed

• Helps resolve engine performance issues related to incorrect air-fuel mixture
• Reduces emissions by providing accurate oxygen level readings
• Prevents check engine light triggers caused by faulty oxygen sensors
• Improves fuel efficiency by enabling precise fuel management
• Supports proper catalytic converter function by monitoring exhaust gases

Installation Notes and Tips

When installing the Bosch Validated Oxygen Sensor 15386 on a Mazda 6, ensure the vehicle is cooled down to avoid burns. Use a 22 mm oxygen sensor socket for removal and installation. Verify the 4-pin female rectangular connector matches the vehicle’s wiring harness. The threaded mounting requires careful tightening to the manufacturer’s torque specifications to prevent damage. The included wiring harness length of 19.6 inches provides sufficient reach for proper connection without strain.

Quality Assurance and Warranty

This Bosch oxygen sensor is manufactured to meet OEM quality standards, ensuring durability and reliable performance. The part is a standard replacement grade sensor designed for long-term use 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.