Bosch 13278 Oxygen Sensor - Downstream

Overview of Bosch Actual OE Oxygen Sensor 13278

The Bosch Actual OE Oxygen Sensor 13278 is designed specifically for Nissan Maxima and Infiniti I30 models. This narrow-band heated oxygen sensor ensures accurate emission control and optimal engine performance by providing precise air-fuel mixture data to the vehicle’s engine control unit.

• Specific fit for Nissan Maxima and Infiniti I30
• Heated narrow-band oxygen sensor for reliable readings
• 19.1-inch wiring harness length with 4 wires and blade terminals
• Threaded mounting type with 18 mm thread diameter and 22 mm hex size
• Durable metal housing with steel finish and male square connector
• Standard replacement grade for direct OE fit and function

Detailed Features and Specifications

This Bosch oxygen sensor features a 19.1-inch wiring harness with four wires and blade-type terminals, ensuring secure electrical connections. The sensor is a narrow-band heated type, which helps the engine control module accurately monitor and adjust the air-fuel ratio for efficient combustion and reduced emissions. The sensor’s threaded mounting type with an 18 mm diameter and 22 mm hex size allows for straightforward installation using standard tools. The metal housing with a steel finish provides durability and resistance to harsh engine conditions. The connector is male with a square shape, designed for a specific fit to Nissan Maxima and Infiniti I30 models, ensuring compatibility and reliable performance.

About 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 durability, maintaining the emission control system’s integrity. The 13278 sensor is part of this line, offering a standard replacement grade that aligns with the quality and fitment requirements of Nissan and Infiniti vehicles.

Common Applications and Problem Solving

• Restores accurate air-fuel ratio readings for Nissan Maxima and Infiniti I30
• Helps resolve engine performance issues related to faulty oxygen sensors
• Reduces emissions by ensuring proper sensor feedback to the ECU
• Prevents check engine light triggers caused by sensor failure
• Improves fuel efficiency by maintaining optimal combustion conditions

Installation Notes and Tips

Installation requires removing the old oxygen sensor and threading the Bosch 13278 sensor into the exhaust manifold or pipe. Use a 22 mm oxygen sensor socket for proper tightening. Ensure the wiring harness is routed away from hot engine components to prevent damage. The sensor’s heated feature requires a proper electrical connection via the 4-wire blade terminal harness included. No mounting bracket is included, so use the existing mounting location on the vehicle.

Quality Assurance and Warranty

Bosch oxygen sensors are manufactured to meet strict quality standards and undergo rigorous testing to ensure durability and performance. The Actual OE Oxygen Sensor 13278 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 to cover defects in materials and workmanship.