Bosch 16451 Oxygen Sensor

Reliable Oxygen Sensor for Buick, Cadillac, Chevrolet, and GMC Vehicles

The Bosch Actual OE Oxygen Sensor 16451 is designed to provide accurate air-fuel mixture readings for specific vehicle applications. Engineered as a narrow-band heated oxygen sensor, it ensures optimal emission control and engine performance for select Buick, Cadillac, Chevrolet, and GMC models.

• Specific fit for Buick Acadia, Acadia Limited, Cadillac XTS, Chevrolet Camaro, Colorado, Impala, Traverse, and GMC Canyon, Enclave
• Heated narrow-band oxygen sensor for precise exhaust gas monitoring
• Threaded mounting type with 18 mm thread diameter and 22 mm hex size for secure installation
• 12.5-inch wiring harness length with 4-pin male connector and square connector shape
• Durable metal housing finished in steel for long-lasting performance
• Standard replacement grade with 4 female terminals ensuring proper electrical connection
• Overall length of 15.9 inches and sealing surface to connector length of 14.7 inches

About the Bosch Actual OE Oxygen Sensor Product Line

The Bosch Actual OE Oxygen Sensor line is designed to meet original equipment specifications, providing reliable and consistent sensor performance. This product line focuses on delivering precise air-fuel ratio data to the engine control unit, helping maintain emission standards and engine efficiency. The 16451 sensor is part of this line, ensuring compatibility and quality for specific vehicle models.

Detailed Product Description

This Bosch oxygen sensor features a narrow-band heated design, which allows it to quickly reach operating temperature and provide accurate oxygen level readings in the exhaust stream. The sensor includes a 4-wire configuration with a 4-pin male connector, facilitating a secure and reliable electrical connection. Its threaded mounting type with an 18 mm diameter and 22 mm hex size ensures proper fitment and ease of installation. The metal housing finished in steel offers durability against harsh engine conditions. The wiring harness length of 12.5 inches and overall length of 15.9 inches are optimized for the specified vehicle models, including Buick Acadia and Cadillac XTS.

Common Applications and Issues Addressed

• Helps resolve poor fuel economy caused by incorrect air-fuel mixture readings
• Reduces engine performance issues related to faulty oxygen sensors
• Assists in passing emissions tests by maintaining proper exhaust gas monitoring
• Prevents check engine light triggers related to oxygen sensor faults
• Supports smooth engine idling and acceleration by providing accurate sensor data

Installation Notes and Tips

Ensure the vehicle is compatible with the Bosch 16451 oxygen sensor before installation. The sensor features a threaded mounting type requiring an 18 mm thread size and a 22 mm hex wrench for removal and installation. Handle the sensor carefully to avoid damaging the wiring harness or connector. Confirm the 4-pin male connector matches the vehicle’s wiring harness for proper connection. It is recommended to replace the sensor when the engine is cool to prevent burns and ensure safe installation.

Quality Assurance and Warranty

Bosch oxygen sensors are manufactured to meet strict quality standards and original equipment specifications. The Actual OE Oxygen Sensor 16451 undergoes rigorous testing to ensure reliable performance and durability. While specific warranty details are not provided here, Bosch typically offers a limited warranty on their emission control sensors to cover manufacturing defects.