Bosch 13091 Oxygen Sensor - Upstream, Upstream Left or Upstream Right

Reliable Oxygen Sensor for Nissan and Infiniti Vehicles

The Bosch Actual OE Oxygen Sensor 13091 is designed specifically for select Nissan and Infiniti models, including the 200SX, 300ZX, I30, Maxima, Pathfinder, Q45, and QX4. This narrow-band heated oxygen sensor ensures accurate emissions control and optimal engine performance.

• Brand: Bosch
• Brand Line: Actual OE Oxygen Sensor
• Part Number: 13091
• Specific fit for Nissan and Infiniti models
• Heated narrow-band oxygen sensor type
• Threaded mounting with 18 mm thread diameter and 22 mm hex size
• Wiring harness length: 19.9 inches with 3-wire blade terminals
• Connector: Male, oblong shape with 3 terminals
• Overall length: 23.6 inches; sealing surface to connector length: 22.4 inches
• Standard replacement grade with metal housing and steel finish
• Wiring harness included for direct installation

About the Bosch Actual OE Oxygen Sensor Line

The Actual OE Oxygen Sensor line by Bosch offers direct replacement sensors engineered to meet original equipment specifications. This ensures compatibility and reliable performance for emission control systems in Nissan and Infiniti vehicles. The 13091 sensor maintains factory standards for fit, function, and durability, supporting proper air-fuel mixture readings and emissions compliance.

Product Details and Specifications

This Bosch oxygen sensor features a heated narrow-band design, which allows for faster sensor response and improved fuel management. The sensor is threaded for secure mounting with an 18 mm diameter and includes a 22 mm hex size for installation using standard tools. The wiring harness is 19.9 inches long, equipped with three blade terminals and a male oblong connector, facilitating a precise and secure electrical connection. The sensor’s metal housing and steel finish provide durability under high-temperature conditions common in exhaust systems.

Common Applications and Issues Addressed

• Restores accurate oxygen sensing for Nissan 200SX, 300ZX, I30, Maxima, Pathfinder, Q45, and QX4 models
• Resolves engine performance issues related to faulty oxygen sensors
• Helps correct rough idling and poor fuel economy caused by sensor failure
• Supports emissions system compliance by providing accurate air-fuel ratio data
• Eliminates check engine light triggers related to oxygen sensor faults

Installation Notes and Tips

Installation requires a 22 mm wrench or oxygen sensor socket for proper removal and tightening. Ensure the sensor threads are clean and apply anti-seize compound if recommended by the vehicle manufacturer. The included wiring harness with blade terminals and male oblong connector allows for a direct plug-and-play replacement on compatible Nissan and Infiniti models. Verify sensor orientation and mounting torque to avoid exhaust leaks or sensor damage.

Quality Assurance and Warranty

Bosch oxygen sensors are manufactured to meet strict quality standards and undergo rigorous testing to ensure reliable operation. The Actual OE Oxygen Sensor 13091 is a standard replacement grade part designed to match original equipment performance. While specific warranty details may vary, Bosch typically offers coverage against defects in materials and workmanship to provide confidence in product durability and function.