Bosch 15428 Oxygen Sensor - Downstream Front

Reliable Oxygen Sensor for Mazda 6 Emission Control

The Bosch Validated Oxygen Sensor 15428 is designed specifically for Mazda 6 models, ensuring precise air-fuel mixture readings for optimal engine performance. This narrow-band heated oxygen sensor offers a direct fit and reliable operation to maintain your vehicle's emission standards.

• Specific fit for Mazda 6 vehicles
• Heated narrow-band oxygen sensor for accurate readings
• Threaded mounting type with 18 mm thread diameter
• 34-inch wiring harness length with 4-wire configuration
• Durable metal housing with steel finish
• Blade terminal type with square male connector
• Overall length of 37.4 inches for proper installation
• Includes wiring harness for easy connection

About the Bosch Validated Oxygen Sensor Line

The Bosch Validated Oxygen Sensor product line focuses on delivering precise and reliable emission control components that meet OEM specifications. The 15428 sensor is engineered to provide consistent performance and durability, supporting emission compliance and engine efficiency for Mazda 6 vehicles.

Detailed Product Description

This Bosch oxygen sensor features a narrow-band heated design, which allows it to quickly reach operating temperature and provide accurate oxygen level measurements. The sensor’s 4-wire configuration and blade terminal type ensure secure electrical connections, while the 34-inch wiring harness length offers flexibility during installation. Constructed with a metal housing and steel finish, the sensor is built to withstand harsh engine conditions. The threaded mounting type with an 18 mm thread diameter allows for a precise and secure fit in the exhaust system of Mazda 6 models. The included wiring harness simplifies the replacement process, making it a practical choice for emission control maintenance.

Common Applications and Issues Addressed

• Restores proper air-fuel ratio monitoring in Mazda 6 exhaust systems
• Helps resolve engine performance issues related to faulty oxygen sensors
• Supports emission system compliance by providing accurate sensor data
• Reduces rough idling and improves fuel efficiency
• Prevents check engine light triggers related to oxygen sensor faults

Installation Notes and Tips

When installing the Bosch Validated Oxygen Sensor 15428, ensure the vehicle is cool to avoid burns. Use a 22 mm hex socket for sensor removal and installation. Verify the sensor’s wiring harness length and connector type match the vehicle’s specifications. The threaded mounting requires proper torque to avoid exhaust leaks. No mounting bracket is included, so use the existing mounting point on the Mazda 6 exhaust system. Confirm the male blade terminals align correctly with the vehicle’s wiring harness connectors before securing.

Quality Assurance and Warranty

Bosch oxygen sensors are manufactured to meet strict quality standards, ensuring reliable performance and durability. The Bosch Validated Oxygen Sensor 15428 undergoes rigorous testing to comply with OEM specifications for Mazda 6 vehicles. While specific warranty details are not provided here, Bosch typically offers coverage against manufacturing defects. Always refer to Bosch’s official warranty policy for complete information.