Bosch 13958 Oxygen Sensor - Upstream Left, Upstream Rear or Upstream Right

Reliable Oxygen Sensor for Acura and Honda Vehicles

The Bosch Validated Oxygen Sensor 13958 is designed specifically for select Acura and Honda models, including the MDX, Odyssey, and RL. This heated wide-band oxygen sensor ensures accurate air-fuel mixture readings to support optimal engine performance and emissions control.

• Heated oxygen sensor for faster response times
• Specific fit for Acura MDX, Honda Odyssey, and Honda RL
• Wide-band sensor type for precise air-fuel ratio measurement
• 9.4-inch wiring harness with 5 wires and blade terminals
• Threaded mounting type with 18 mm thread diameter and 22 mm hex size
• Durable metal housing with steel finish
• Includes wiring harness with square male connector
• Standard replacement grade for reliable performance

About the Bosch Validated Oxygen Sensor Line

The Bosch Validated Oxygen Sensor product line focuses on delivering sensors that meet strict validation standards for fit, form, and function. This ensures that the Bosch 13958 oxygen sensor integrates seamlessly with the vehicle’s emission control system, providing consistent and accurate sensor readings. The line emphasizes compatibility and durability, making it suitable for specific Acura and Honda applications.

Detailed Product Description

The Bosch 13958 oxygen sensor is a heated, wide-band sensor designed to monitor the oxygen content in the exhaust gases of Acura MDX, Honda Odyssey, and Honda RL models. Its 5-wire configuration and 9.4-inch wiring harness with blade terminals allow for precise electrical connections. The sensor features a threaded mounting type with an 18 mm thread diameter and a 22 mm hex size for secure installation. Constructed with a metal housing and finished in steel, this sensor is built to withstand harsh engine environments. The included wiring harness with a square male connector simplifies replacement and ensures proper fitment.

Common Applications and Issues Addressed

• Restores accurate air-fuel ratio readings for improved fuel efficiency
• Helps reduce harmful emissions by ensuring proper combustion
• Resolves engine performance issues related to faulty oxygen sensors
• Prevents check engine light triggers caused by sensor failure
• Supports smooth engine idling and acceleration response

Installation Notes and Tips

When installing the Bosch 13958 oxygen sensor, ensure the vehicle is compatible with this specific fit for Acura MDX, Honda Odyssey, and Honda RL models. Use a 22 mm oxygen sensor socket for removal and installation. The sensor’s threaded mounting requires careful tightening to the manufacturer’s torque specifications to avoid damage. The 9.4-inch wiring harness and blade terminals should be connected securely to prevent electrical issues. No mounting bracket is included, so use the existing mounting point on the vehicle.

Quality Assurance and Warranty

As a standard replacement grade sensor, the Bosch 13958 undergoes rigorous quality control to meet OEM specifications. Bosch is known for manufacturing reliable emission control components that comply with industry standards. While specific warranty details are not provided here, Bosch typically offers limited warranties on their oxygen sensors to cover defects in materials and workmanship.