Bosch 16459 Oxygen Sensor - Downstream or Upstream

Reliable Oxygen Sensor for Buick, Chevrolet, and GMC Vehicles

The Bosch Actual OE Oxygen Sensor 16459 is designed to provide accurate air-fuel mixture readings for select Buick, Chevrolet, and GMC models. This narrow-band heated oxygen sensor ensures proper emission control and engine performance by delivering precise data to the vehicle’s engine control unit.

• Specific fit for Buick Cruze, Chevrolet Equinox, Malibu, Spark, Volt, Encore, Terrain, Trax, and GMC Terrain models
• Heated narrow-band oxygen sensor for improved response time
• Threaded mounting type with 18 mm thread diameter and 22 mm hex size
• Includes mounting bracket and features a durable metal housing
• 10-inch wiring harness length with 4 male blade terminals and oblong male connector
• Standard replacement grade for reliable performance
• Overall length of 13.3 inches with 12.1 inches from sealing surface to connector end

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 consistent sensor performance and durability, ensuring compatibility and reliable operation in emission control systems. The 16459 sensor maintains the standards expected from Bosch’s OE-quality components.

Detailed Product Description

This Bosch oxygen sensor 16459 is a narrow-band heated sensor designed for specific fitment on various Buick, Chevrolet, and GMC vehicles, including the Cruze, Encore, Equinox, Malibu, Spark, Terrain, Trax, and Volt. The sensor features a threaded mounting type with an 18 mm thread diameter and a 22 mm hex size for secure installation. Its metal housing and included mounting bracket provide durability and ease of mounting. The sensor’s wiring harness measures 10 inches and includes four male blade terminals with an oblong male connector, ensuring proper electrical connection. The heated element allows for faster sensor activation and improved emission control during cold starts.

Common Applications and Issues Addressed

• Helps maintain optimal air-fuel ratio for efficient engine performance
• Reduces harmful emissions by providing accurate oxygen level readings
• Resolves check engine light triggers related to oxygen sensor faults
• Improves fuel economy by enabling precise fuel mixture adjustments
• Prevents engine hesitation and rough idling caused by faulty sensors

Installation Notes and Tips

• Ensure vehicle compatibility with Buick Cruze, Chevrolet Equinox, Malibu, Spark, Volt, Encore, Terrain, Trax, and GMC Terrain models before installation
• Use a 22 mm oxygen sensor socket for removal and installation
• Check wiring harness length and connector type for proper fit
• Apply anti-seize compound on threads if not pre-coated to prevent seizing
• Verify secure connection of the 4-pin male blade terminals and oblong connector

Quality Assurance and Warranty

The Bosch Actual OE Oxygen Sensor 16459 is manufactured to meet original equipment standards, ensuring reliable performance and durability. Bosch provides quality assurance through rigorous testing and adherence to industry specifications. Please refer to Bosch’s warranty policy for coverage details on this standard replacement oxygen sensor.