Bosch 16349 Oxygen Sensor - Downstream

Overview of Bosch Actual OE Oxygen Sensor 16349

The Bosch Actual OE Oxygen Sensor 16349 is designed specifically for select Buick, Chevrolet, and Saab models, including the 9-5, Encore, and Trax. 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 Buick 9-5, Chevrolet Encore, Trax, and Saab 9-5 models
• Heated narrow-band oxygen sensor for improved response time
• Threaded mounting type with 18 mm thread diameter and 22 mm hex size
• 15.9-inch wiring harness length with 4-pin oblong male connector
• Durable steel housing with metal construction for long-lasting use
• Standard replacement grade with included wiring harness

Detailed Product Features and Specifications

This Bosch oxygen sensor (part number 16349) features a heated narrow-band sensor type that helps maintain accurate oxygen level readings under various operating conditions. The sensor is threaded with an 18 mm diameter and 22 mm hex size, allowing for secure installation in the exhaust system. The wiring harness measures 15.9 inches in length and includes a 4-wire configuration with a male oblong connector, designed for a specific fit rather than universal application. The sensor’s overall length is 19.2 inches, with a sealing surface to connector length of 18 inches, providing ample reach for proper connection.

Constructed with a steel finish and metal housing, this oxygen sensor is built to withstand the harsh environment of the exhaust system. The terminal type is pin with four female terminals, ensuring reliable electrical connections. This part does not include additional accessories or mounting brackets, focusing on a straightforward replacement process.

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 emphasizes precise fitment and reliable performance, making it suitable for vehicles requiring exact sensor characteristics. The 16349 sensor is part of this line, ensuring compatibility and consistent operation with the specified Buick, Chevrolet, and Saab 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 harmful emissions by maintaining proper combustion control
• Prevents rough idling and poor acceleration caused by faulty sensors
• Supports optimal fuel economy by ensuring correct sensor feedback

Installation Notes and Tips

• Ensure the vehicle is cool before removing the old sensor to avoid burns
• Use a 22 mm oxygen sensor socket for proper removal and installation
• Verify the connector type and wiring harness length match the vehicle’s requirements
• Do not overtighten the sensor; torque to manufacturer specifications
• Inspect wiring and connectors for damage before installation

Quality Assurance and Warranty

Bosch oxygen sensors are manufactured to meet strict quality standards, ensuring durability and reliable performance. The Actual OE Oxygen Sensor 16349 is a standard replacement grade part designed to match OEM specifications. While specific warranty details are not provided here, Bosch typically offers limited warranties on their emission control components. Refer to Bosch or vehicle manufacturer documentation for exact warranty coverage.