Bosch 15959 Oxygen Sensor - Downstream Right

Reliable Oxygen Sensor for Nissan Frontier and Xterra

The Bosch Actual OE Oxygen Sensor 15959 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.

• Specific fit for Nissan Frontier and Xterra vehicles
• Heated narrow-band oxygen sensor for improved response time
• Threaded mounting type with 18 mm thread diameter and 22 mm hex size
• Includes a 26.8-inch wiring harness with 4 male blade terminals and a square male connector
• Durable metal housing finished in steel for long-lasting performance
• Standard replacement grade for reliable emissions control

About the Bosch Actual OE Oxygen Sensor Line

The Bosch Actual OE Oxygen Sensor product line is engineered to meet original equipment specifications, providing a direct replacement for factory-installed sensors. This ensures compatibility and performance consistency for Nissan Frontier and Xterra vehicles requiring precise emissions monitoring. The 15959 part number belongs to this line, offering a standard replacement sensor with a heated narrow-band design to maintain proper engine function and emissions compliance.

Product Details and Specifications

This oxygen sensor features a 30.5-inch overall length and a 29.3-inch length from the sealing surface to the end of the connector, allowing for proper fitment in the exhaust system. The sensor includes a 4-wire configuration with male blade terminals and a square male connector, facilitating straightforward installation. The threaded mounting type with an 18 mm diameter and 22 mm hex size ensures secure attachment. The sensor’s metal housing and steel finish provide durability under high-temperature exhaust conditions. Additionally, the sensor is heated to improve response time and accuracy in measuring oxygen levels.

Common Applications and Issues Addressed

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

Installation Notes and Tips

When installing the Bosch 15959 oxygen sensor, ensure the vehicle is cool to avoid burns. Use the 22 mm hex size for proper sensor removal and installation. Verify the wiring harness length and connector type match the vehicle’s factory setup to avoid electrical issues. No mounting bracket is included, so use the existing exhaust system mounting points. Confirm the sensor is threaded securely to prevent exhaust leaks.

Quality Assurance and Warranty

Bosch oxygen sensors are manufactured to meet strict quality standards, ensuring reliable performance and durability. The Actual OE Oxygen Sensor line is designed as a standard replacement part, maintaining OEM specifications. While specific warranty details are not provided here, Bosch typically offers limited warranties on their emission control sensors to cover defects in materials and workmanship.