Bosch 15479 Oxygen Sensor - Downstream or Downstream Rear

Overview of Bosch Engineered Oxygen Sensor 15479

The Bosch Engineered Oxygen Sensor 15479 is designed specifically for select Acura and Honda models, including the Civic, NSX, and S2000. This narrow-band heated oxygen sensor provides accurate emissions monitoring to help maintain optimal engine performance and comply with emission standards.

• Specific fit for Acura and Honda Civic, NSX, and S2000
• Narrow-band heated oxygen sensor type for precise air-fuel ratio readings
• Threaded mounting type with 18 mm thread diameter and 22 mm hex size
• Includes a 21.5-inch wiring harness with 4 female blade terminals and a rectangular female connector
• Constructed with durable metal housing and steel finish
• Standard replacement grade with universal wiring harness included
• Overall length of 24.8 inches and sealing surface to connector length of 23.6 inches

About the Bosch Engineered Oxygen Sensor Line

The Bosch Engineered Oxygen Sensor line focuses on delivering reliable emission control components tailored to specific vehicle applications. The 15479 sensor is part of this line, engineered to meet OEM specifications for Acura and Honda vehicles. Its narrow-band heated design ensures quick sensor response and accurate feedback to the engine control unit, supporting efficient combustion and emission regulation.

Detailed Product Description

This Bosch oxygen sensor features a threaded mounting type with an 18 mm thread diameter and a 22 mm hex size for straightforward installation. The sensor is heated, which allows it to reach operating temperature faster, improving emission control during cold starts. The wiring harness is 21.5 inches long and includes four wires with female blade terminals and a rectangular female connector, ensuring a secure and specific fit for the designated Acura and Honda models. The sensor housing is made of metal with a steel finish, providing durability and resistance to harsh engine conditions. Weighing approximately 0.25 pounds, this sensor is a standard replacement part designed to maintain your vehicle’s emission system performance.

Common Applications and Issues Addressed

• Restores accurate air-fuel ratio readings for improved engine efficiency
• Helps resolve check engine light triggers related to oxygen sensor faults
• Reduces emissions by ensuring proper catalytic converter function
• Improves fuel economy by providing precise sensor data to the ECU
• Prevents rough idling and engine performance issues caused by faulty sensors

Installation Notes and Tips

Installation requires removal of the old oxygen sensor and threading the Bosch 15479 sensor into the exhaust manifold or pipe. Use a 22 mm oxygen sensor socket for proper tightening. Ensure the wiring harness is connected securely to the vehicle’s harness using the rectangular female connector. No mounting bracket is included, so the sensor mounts directly via its threaded design. Verify compatibility with Acura Civic, NSX, and S2000 models before installation.

Quality Assurance and Warranty

The Bosch Engineered Oxygen Sensor 15479 is manufactured to meet OEM standards for fit and function. It is constructed with high-quality metal housing and includes a heated element for reliable operation. While specific warranty details are not provided here, Bosch products typically come with a limited warranty covering defects in materials and workmanship. Refer to Bosch or your parts provider for exact warranty terms.