Bosch 15028 Oxygen Sensor - Downstream or Downstream Rear

Reliable Oxygen Sensor for Saab and Subaru Vehicles

The Bosch Engineered Oxygen Sensor 15028 is designed to provide accurate air-fuel mixture readings for improved engine performance and emissions control. Specifically engineered for select Saab and Subaru models, this oxygen sensor ensures precise monitoring and efficient operation.

• Specific fit for Saab 9-2X and Subaru models including B9 Tribeca, Forester, Impreza, Legacy, Outback, Tribeca, and WRX
• Heated narrow-band oxygen sensor for faster response times
• Threaded mounting type with 18 mm thread diameter and 22 mm hex size for secure installation
• Includes a 15-inch wiring harness with a 4-wire blade terminal and male rectangular connector
• Durable metal housing finished in steel for long-lasting performance
• Standard replacement grade ensuring compatibility and reliability

About the Bosch Engineered Oxygen Sensor Line

The Bosch Engineered Oxygen Sensor line focuses on delivering precise emission control components tailored to specific vehicle applications. The 15028 oxygen sensor is part of this line, offering a narrow-band heated sensor designed to meet OEM specifications for Saab and Subaru vehicles. This ensures consistent sensor performance and helps maintain optimal engine efficiency.

Product Details and Specifications

This oxygen sensor features a narrow-band heated design with four wires, allowing for quick sensor warm-up and accurate oxygen level detection. The sensor’s threaded mounting type with an 18 mm diameter and 22 mm hex size facilitates straightforward installation. The included 15-inch wiring harness with a male rectangular connector and blade terminals ensures a secure electrical connection. Constructed with a metal housing and finished in steel, the sensor is built to withstand harsh engine environments. The overall length from sealing surface to connector end measures 17.5 inches, providing ample reach for proper fitment.

Common Applications and Issues Addressed

• Restores accurate air-fuel ratio readings for improved fuel efficiency
• Helps reduce harmful emissions by ensuring proper catalytic converter function
• Resolves engine performance issues such as rough idling or hesitation
• Prevents check engine light triggers related to oxygen sensor faults
• Supports compliance with emission regulations for Saab 9-2X and Subaru models

Installation Notes and Tips

When installing the Bosch Engineered Oxygen Sensor 15028, ensure the vehicle is cool to avoid burns. Use a 22 mm oxygen sensor socket for removal and installation. Verify the sensor’s wiring harness length and connector type match the vehicle’s specifications. Avoid damaging the sensor tip during installation and confirm the threaded mounting is secure but not over-tightened to prevent thread damage.

Quality Assurance and Warranty

This Bosch oxygen sensor is manufactured to meet OEM standards for fit, form, and function. It undergoes rigorous testing to ensure durability and reliable performance in emission control systems. While specific warranty details may vary, Bosch products typically include a limited warranty covering defects in materials and workmanship.