Bosch 13261 Oxygen Sensor - Downstream Left or Downstream Right

Overview of Bosch Actual OE Oxygen Sensor 13261

The Bosch Actual OE Oxygen Sensor 13261 is designed specifically for the Infiniti J30, ensuring precise fitment and reliable performance. This narrow-band heated oxygen sensor helps maintain optimal engine efficiency and emission control.

• Compatible with Infiniti J30 models
• Specific fit with 4-wire configuration and pin terminal type
• Heated narrow-band oxygen sensor for accurate air-fuel mixture readings
• Threaded mounting type with 18 mm thread diameter and 22 mm hex size
• Includes wiring harness with a length of 31.7 inches and a square female connector

Detailed Product Features and Specifications

The Bosch Actual OE Oxygen Sensor 13261 features a 4-wire design with female pin terminals and a square-shaped female connector, providing secure and reliable electrical connections. The sensor is heated, which allows it to reach operating temperature quickly for accurate emissions monitoring. Its threaded mounting type with an 18 mm thread diameter and 22 mm hex size ensures proper installation and compatibility with the Infiniti J30. The sensor housing is made of durable metal finished in steel color, weighing approximately 0.31 lbs. The overall length of the sensor is 35.4 inches, with a wiring harness length of 31.7 inches, allowing for straightforward integration into the vehicle’s emission control system.

About the Bosch Actual OE Oxygen Sensor Product Line

The Bosch Actual OE Oxygen Sensor line is engineered to meet original equipment specifications, providing a direct replacement for factory-installed sensors. This product line focuses on delivering precise sensor performance and fitment, which is critical for maintaining the emission control system’s functionality and compliance. The 13261 sensor is part of this line, ensuring it matches the exact requirements of the Infiniti J30’s emission system.

Common Applications and Issues Addressed

• Restores accurate air-fuel ratio readings for improved engine performance
• Helps resolve check engine light triggers related to oxygen sensor faults
• Reduces emissions by ensuring proper catalytic converter operation
• Prevents rough idling and poor fuel economy caused by faulty sensors
• Supports compliance with emission regulations for Infiniti J30 vehicles

Installation Notes and Tips

Installation of the Bosch 13261 oxygen sensor requires a threaded mounting with an 18 mm thread size and 22 mm hex wrench for tightening. Ensure the wiring harness is properly connected to the female square connector with four pins. The sensor’s heated feature requires a 4-wire connection, so verify all terminals are securely attached. No mounting bracket is included, so use the existing mounting point on the vehicle. It is recommended to handle the sensor carefully to avoid damage to the wiring or sensor tip during installation.

Quality Assurance and Warranty

Bosch oxygen sensors are manufactured to meet strict quality standards, ensuring durability and reliable performance. The Actual OE Oxygen Sensor 13261 is a standard replacement part designed to match OEM specifications. While specific warranty details are not provided here, Bosch typically offers limited warranties on their emission control components. Refer to Bosch’s official documentation for warranty terms applicable to this sensor.