Bosch 15522 Oxygen Sensor - Downstream Right

Reliable Oxygen Sensor for Nissan and Infiniti Vehicles

The Bosch Engineered Oxygen Sensor 15522 is designed specifically for select Nissan and Infiniti models, including the 350Z, FX35, FX45, G35, M35, and M45. This direct fit, heated narrow-band oxygen sensor ensures accurate emissions control and optimal engine performance.

• Direct fit oxygen sensor with threaded mounting for easy installation
• Heated sensor type for faster response and improved efficiency
• 12.2-inch wiring harness length with 4-wire blade terminals
• Square male connector with 4 terminals for secure electrical connection
• Constructed with durable metal housing and steel finish
• Compatible with specific Nissan and Infiniti models for precise fitment
• Standard replacement grade for reliable emissions control
• Includes wiring harness for plug-and-play installation
• 22 mm hex size and 18 mm thread diameter for compatibility with OEM specifications

About the Bosch Engineered Oxygen Sensor Line

The Bosch Engineered Oxygen Sensor line focuses on delivering sensors that meet or exceed OEM standards for emissions control components. This product line emphasizes precise fitment, durability, and reliable sensor performance. The 15522 oxygen sensor is part of this line, offering a direct fit solution with a heated narrow-band sensor designed to maintain proper air-fuel mixture readings and support emission system efficiency in Nissan and Infiniti vehicles.

Product Details and Specifications

This oxygen sensor features a 12.2-inch wiring harness with four wires and blade-type terminals, ensuring a secure and reliable electrical connection. The sensor includes a square-shaped male connector with four terminals, matching the original equipment design. Its metal housing and steel finish provide durability under high-temperature conditions. The sensor is threaded with an 18 mm diameter and 22 mm hex size, allowing for straightforward installation using standard tools. The overall length of the sensor is 15.9 inches, with a 14.8-inch length from the sealing surface to the end of the connector, accommodating the specific routing requirements of compatible vehicles.

Common Applications and Issues Addressed

• Restores accurate oxygen sensing for proper engine management
• Helps resolve rough idling and poor fuel economy caused by faulty sensors
• Reduces emissions by ensuring correct air-fuel mixture readings
• Prevents check engine light triggers related to oxygen sensor faults
• Supports smooth engine performance and drivability

Installation Notes and Tips

Installation requires a 22 mm wrench or oxygen sensor socket to remove the old sensor and install the new one. The threaded mounting type ensures a secure fit without additional mounting brackets. Ensure the wiring harness is routed away from hot exhaust components to prevent damage. The sensor’s specific fitment for Nissan and Infiniti models means no modifications are necessary for proper connection. Verify connector orientation and terminal alignment before securing the sensor.

Quality Assurance and Warranty

The Bosch Engineered Oxygen Sensor 15522 is manufactured to meet OEM specifications for fit, form, and function. It is a standard replacement grade sensor designed for reliable emissions control and long service life. While specific warranty details are not provided here, Bosch products typically come with manufacturer-backed warranties to ensure customer confidence in product quality.