Bosch 18142 Oxygen Sensor - Downstream

Reliable Oxygen Sensor for Nissan and Infiniti Vehicles

The Bosch Validated Oxygen Sensor part number 18142 is designed specifically for select Nissan and Infiniti models, including the Frontier, Murano, Pathfinder, QX60, Rogue, and Xterra. This narrow-band heated oxygen sensor ensures accurate air-fuel mixture readings to support optimal engine performance and emissions control.

• Specific fit for Nissan and Infiniti models listed
• Heated narrow-band oxygen sensor for precise monitoring
• Threaded mounting type with 18 mm thread diameter and 22 mm hex size
• Includes a 4-wire wiring harness with an 8-inch length and rectangular male connector
• Constructed with durable metal housing and steel finish
• Overall length of 11.4 inches with 10.2 inches from sealing surface to connector end
• Standard replacement grade for reliable performance

About the Bosch Validated Oxygen Sensor Line

The Bosch Validated Oxygen Sensor line offers sensors that meet strict quality and performance standards, ensuring compatibility and durability for specific vehicle applications. Part number 18142 is part of this line, providing a direct fit and reliable operation for Nissan and Infiniti vehicles requiring a narrow-band heated oxygen sensor.

Product Details and Specifications

This oxygen sensor features a 4-wire design with blade-type terminals and a male connector, facilitating straightforward installation and secure electrical connections. The sensor’s heated element helps it reach operating temperature quickly, improving emissions control and fuel efficiency. The threaded mounting type with an 18 mm diameter and 22 mm hex size allows for proper sealing and easy removal or replacement. The metal housing and steel finish provide durability against harsh engine conditions.

Common Applications and Issues Addressed

• Restores accurate oxygen level readings for engine control units
• Helps resolve rough idling and poor fuel economy caused by faulty sensors
• Reduces emissions by ensuring proper air-fuel mixture adjustments
• Prevents check engine light triggers related to oxygen sensor faults
• Supports smooth engine performance in Nissan Frontier, Murano, Pathfinder, QX60, Rogue, and Xterra models

Installation Notes and Tips

Ensure the vehicle is cool before installation to avoid burns. Use the correct 22 mm socket for sensor removal and installation. Verify the wiring harness length and connector type match the vehicle’s factory setup. Avoid over-tightening the sensor to prevent thread damage. No additional mounting brackets or accessories are included with this part.

Quality Assurance and Warranty

The Bosch Validated Oxygen Sensor 18142 is manufactured to meet OEM specifications for fit and function. It is a standard replacement grade sensor designed for durability and consistent performance. While specific warranty details may vary, Bosch products typically come with a limited warranty covering defects in materials and workmanship.