Bosch 15957 Oxygen Sensor - Downstream Left

Overview of Bosch Actual OE Oxygen Sensor 15957

The Bosch Actual OE Oxygen Sensor 15957 is designed specifically for Nissan Frontier and Xterra models. This narrow-band heated oxygen sensor ensures accurate emissions control and optimal engine performance by providing precise air-fuel mixture data to the vehicle’s engine management system.

• Compatible with Nissan Frontier and Xterra
• Part number 15957 for exact fitment
• Heated narrow-band oxygen sensor for reliable operation
• Threaded mounting type with 18 mm thread diameter
• Includes 42.6-inch wiring harness with 4 wires and blade terminals
• Square male connector with 4 terminals
• Durable metal housing with steel finish
• Standard replacement grade for direct OE fit
• Overall length of 46.3 inches for proper installation

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 durability, ensuring compatibility and reliable emissions control for specific vehicle applications such as the Nissan Frontier and Xterra. The 15957 sensor maintains the integrity of the vehicle’s emission system by using a heated narrow-band design and quality materials.

Detailed Product Description and Features

This Bosch oxygen sensor features a heated narrow-band sensor type that improves sensor response time and accuracy under various operating conditions. The sensor’s metal housing and steel finish provide corrosion resistance and durability. It includes a 42.6-inch wiring harness with a square-shaped male connector and blade terminals, designed for a specific fit to Nissan Frontier and Xterra models. The threaded mounting type with an 18 mm thread diameter allows for secure installation. The sensor’s overall length of 46.3 inches and 4-wire configuration support proper electrical connections and sensor functionality.

Common Applications and Issues Addressed

• Restores accurate air-fuel ratio readings for engine control
• Resolves check engine light triggers related to oxygen sensor faults
• Improves fuel efficiency by ensuring proper combustion
• Reduces harmful emissions by maintaining correct sensor feedback
• Prevents drivability issues caused by faulty oxygen sensors

Installation Notes and Tips

• Ensure vehicle compatibility with Nissan Frontier or Xterra before installation
• Use a 22 mm hex socket for sensor removal and installation
• Do not overtighten the sensor; follow manufacturer torque specifications
• Inspect wiring harness and connector for damage before installation
• Verify sensor connector is securely attached to avoid electrical issues

Quality Assurance and Warranty

The Bosch Actual OE Oxygen Sensor 15957 is manufactured to meet strict quality standards for emissions control components. It is designed as a standard replacement part to match original equipment performance. Bosch provides quality assurance through rigorous testing to ensure sensor reliability and durability. Warranty details should be confirmed with the product documentation or supplier.