Bosch 16161 Oxygen Sensor - Downstream, Downstream Left or Downstream Right

Overview of Bosch Actual OE Oxygen Sensor 16161

The Bosch Actual OE Oxygen Sensor 16161 is designed specifically for select Nissan and INFINITI models, including the Altima, Juke, Maxima, Murano, Pathfinder, Quest, and QX60. 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 control unit.

• Specific fit for Nissan and INFINITI vehicles
• Narrow-band heated oxygen sensor type
• Threaded mounting with 18 mm thread diameter and 22 mm hex size
• Includes a 9-inch wiring harness with a 4-wire blade terminal connector
• Durable metal housing with steel finish
• Overall length of 12.4 inches and connector length of 11.2 inches
• Standard replacement grade for reliable performance
• Male connector and terminal gender with rectangular connector shape

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 readings and durability, ensuring compatibility and performance consistent with the original part. The 16161 oxygen sensor maintains the integrity of the vehicle’s emission control system while supporting efficient fuel management.

Detailed Product Description

This Bosch oxygen sensor features a narrow-band heated design, which allows it to reach operating temperature quickly for accurate emissions monitoring. The sensor’s metal housing and steel finish provide resistance to harsh under-hood conditions. With a threaded mounting type and an 18 mm thread diameter, installation aligns with factory specifications. The 4-wire configuration includes a blade terminal type and a rectangular male connector, ensuring secure electrical connections. The included 9-inch wiring harness and overall length of 12.4 inches accommodate proper fitment in the specified Nissan and INFINITI models.

Common Applications and Issues Addressed

• Restores accurate oxygen sensing for improved fuel efficiency
• Resolves check engine light triggers related to oxygen sensor faults
• Helps reduce vehicle emissions to meet regulatory standards
• Corrects rough idling or engine performance issues caused by faulty sensors
• Prevents potential damage to catalytic converters from improper air-fuel ratios

Installation Notes and Tips

When installing the Bosch 16161 oxygen sensor, ensure the vehicle is cool to avoid burns. Use a 22 mm oxygen sensor socket for removal and installation. Verify the sensor’s wiring harness length and connector type match the vehicle’s factory setup. Avoid over-tightening the threaded sensor to prevent damage. It is recommended to inspect the wiring and connectors for corrosion or damage before installation.

Quality Assurance and Warranty

Bosch oxygen sensors are manufactured to meet strict quality standards, ensuring reliable performance and durability. The Actual OE Oxygen Sensor 16161 is a standard replacement grade part designed to match original equipment specifications. While specific warranty details may vary, Bosch typically offers coverage against defects in materials and workmanship to support long-term use.