Bosch 16552 Oxygen Sensor - Upstream

Overview of Bosch Actual OE Oxygen Sensor 16552

The Bosch Actual OE Oxygen Sensor 16552 is designed specifically for select Cadillac and Chevrolet models, including the ATS, Camaro, and CTS. 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 management system.

• Specific fit for Cadillac ATS, Chevrolet Camaro, and CTS models
• Heated narrow-band oxygen sensor for reliable operation
• 12.5-inch wiring harness length with 4 wires and pin terminals
• Threaded mounting type with 18 mm thread diameter and 22 mm hex size
• Durable metal housing with trapezoid-shaped female connector
• Standard replacement grade for consistent performance
• Overall length of 15.9 inches, including 14.7 inches from sealing surface to connector end

Detailed Product Description

The Bosch Actual OE Oxygen Sensor 16552 is engineered as a direct replacement part for specific Cadillac and Chevrolet vehicles, including the ATS, Camaro, and CTS. This sensor features a heated narrow-band design, which helps maintain accurate oxygen level readings even during cold starts. The sensor’s metal housing and threaded mounting ensure a secure and durable installation. With a trapezoid-shaped female connector and four-pin terminals, the wiring harness is 12.5 inches long, providing sufficient length for proper connection without excess slack. The sensor’s overall length measures 15.9 inches, with 14.7 inches from the sealing surface to the connector end, facilitating precise fitment in the exhaust system.

The Actual OE Oxygen Sensor product line by Bosch is designed to meet original equipment specifications, offering a reliable and direct replacement solution. This line focuses on maintaining factory-level performance and emissions compliance, making it suitable for professional repairs and maintenance on compatible Cadillac and Chevrolet models.

Common Applications and Issues Addressed

• Restores accurate air-fuel ratio readings for improved engine efficiency
• Resolves check engine light triggers related to oxygen sensor faults
• Helps reduce vehicle emissions by ensuring proper catalytic converter function
• Prevents rough idling and poor fuel economy caused by faulty sensors
• Supports smooth engine performance and drivability

Installation Notes and Tips

• Ensure the vehicle is cool before sensor removal to avoid burns
• Use a 22 mm oxygen sensor socket for proper installation and removal
• Verify the sensor’s wiring harness length and connector type match the vehicle’s specifications
• Do not overtighten; torque to manufacturer’s recommended specifications
• Check for exhaust leaks after installation to maintain sensor accuracy

Quality Assurance and Warranty

Bosch manufactures the Actual OE Oxygen Sensor 16552 to meet stringent quality standards, ensuring durability and reliable performance. This sensor is a standard replacement grade part, designed to match original equipment specifications for Cadillac and Chevrolet vehicles. While specific warranty details may vary, Bosch typically offers coverage against manufacturing defects to provide confidence in the product’s longevity and function.