Bosch 16691 Oxygen Sensor - Downstream

Reliable Oxygen Sensor for Dodge and Mercedes-Benz Vehicles

The Bosch Actual OE Oxygen Sensor 16691 is designed specifically for select Dodge and Mercedes-Benz models, including the SLS AMG, Sprinter 2500, and Sprinter 3500. This narrow-band heated oxygen sensor ensures accurate emissions control and optimal engine performance.

• Specific fit for Dodge and Mercedes-Benz SLS AMG, Sprinter 2500, and Sprinter 3500
• Heated narrow-band oxygen sensor for precise air-fuel mixture readings
• Threaded mounting type with 18 mm thread diameter and 22 mm hex size
• Includes a 26-inch wiring harness with a 4-wire, female rectangular connector
• Durable metal housing finished in steel for long-lasting use
• Standard replacement grade for reliable performance

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 compatibility with specific vehicle models, ensuring proper emissions control and engine efficiency. The 16691 sensor maintains the quality and fit expected from Bosch's OE standards.

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 measurements in the exhaust stream. The sensor’s 4-wire configuration includes a heated element and signal wires, connected via a female rectangular connector with four terminals. The wiring harness length of 26 inches and overall length of 29.3 inches provide ample reach for installation in the specified vehicles. The sensor mounts securely with an 18 mm threaded fitting and a 22 mm hex size for easy tightening. Constructed with a metal housing finished in steel, this sensor is built to withstand harsh engine conditions.

Common Applications and Issues Addressed

• Restores proper air-fuel ratio readings for Dodge Sprinter 2500 and 3500 models
• Resolves check engine light triggers related to oxygen sensor faults
• Improves fuel efficiency and reduces emissions on Mercedes-Benz SLS AMG
• Eliminates rough idling and engine hesitation caused by faulty sensors
• Ensures compliance with emissions standards by maintaining accurate sensor data

Installation Notes and Tips

• Ensure the vehicle is compatible with part number 16691 before installation
• Use a 22 mm oxygen sensor socket for removal and installation
• Do not overtighten the sensor; torque to manufacturer specifications
• Verify connector orientation and secure wiring harness to avoid damage
• Check for any exhaust leaks around the mounting threads after installation

Quality Assurance and Warranty

Bosch oxygen sensors, including the Actual OE Oxygen Sensor 16691, are manufactured to meet strict quality standards for durability and performance. This sensor 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 ensure reliable operation.