Bosch 16320 Oxygen Sensor - Downstream Left

Overview of Bosch Actual OE Oxygen Sensor 16320

The Bosch Actual OE Oxygen Sensor 16320 is designed specifically for select Mercedes-Benz models, including the CLK55 AMG, CLK320, and CLK430. This narrow-band heated oxygen sensor ensures precise emission control and optimal engine performance by accurately monitoring exhaust gases.

• Specific fit for Mercedes-Benz CLK55 AMG, CLK320, and CLK430
• Heated narrow-band oxygen sensor for reliable operation
• Threaded mounting type with 18 mm thread diameter and 22 mm hex size
• Includes a 10.4-inch wiring harness with a round, female connector
• Constructed with durable metal housing and steel finish
• Standard replacement grade with 4-wire configuration
• Overall length of 13.8 inches for proper fitment

Detailed Product Description

This Bosch oxygen sensor, part number 16320, belongs to the Actual OE Oxygen Sensor product line, which focuses on delivering direct-fit replacement sensors that meet original equipment specifications. The sensor features a narrow-band heated design, allowing it to quickly reach operating temperature and provide accurate oxygen level readings to the engine control unit. Its threaded mounting type with an 18 mm diameter and 22 mm hex size ensures secure installation in the exhaust system. The sensor’s metal housing and steel finish provide durability under high-temperature conditions. The included wiring harness measures 10.4 inches and has a round female connector with four terminals, matching the specific wiring requirements of the compatible Mercedes-Benz models.

Compatible Vehicles and Applications

This oxygen sensor is compatible with the following Mercedes-Benz vehicles:

• Mercedes-Benz CLK55 AMG
• Mercedes-Benz CLK320
• Mercedes-Benz CLK430

It is designed to replace the factory oxygen sensor and maintain proper emission control and engine efficiency.

Common Issues Addressed by Bosch Oxygen Sensor 16320

• Check engine light triggered by faulty oxygen sensor readings
• Poor fuel economy due to incorrect air-fuel mixture
• Increased emissions and failed emissions tests
• Engine hesitation or rough idling caused by sensor malfunction
• Reduced engine performance and drivability issues

Installation Notes and Tips

• Ensure the vehicle is cooled down before sensor removal to avoid burns
• Use a 22 mm oxygen sensor socket for proper removal and installation
• Verify the wiring harness connector matches the vehicle’s factory connector
• Apply anti-seize compound on the sensor threads if not pre-coated
• Torque the sensor to manufacturer specifications to prevent leaks

Quality Assurance and Warranty

The Bosch Actual OE Oxygen Sensor 16320 is manufactured to meet OEM standards for fit, form, and function. Bosch provides a standard replacement grade sensor designed for reliable performance and durability. While specific warranty details may vary, Bosch typically offers coverage against defects in materials and workmanship to ensure customer confidence in the product.