Bosch 15088 Oxygen Sensor - Upstream Left

Overview of Bosch Actual OE Oxygen Sensor 15088

The Bosch Actual OE Oxygen Sensor 15088 is designed specifically for select Mercedes-Benz models, including the C43 AMG, C280, CLK320, and CLK430. This narrow-band heated oxygen sensor ensures accurate emission control and optimal engine performance by monitoring exhaust gases effectively.

• Specific fit for Mercedes-Benz C43 AMG, C280, CLK320, CLK430
• Heated narrow-band oxygen sensor for precise emissions monitoring
• Threaded mounting type with 18 mm thread diameter and 22 mm hex size
• Includes a 29.6-inch wiring harness with 4-pin female connectors
• Durable metal housing finished in steel for long-lasting use
• Standard replacement grade with universal wiring harness included

Detailed Product Features and Specifications

This Bosch oxygen sensor (part number 15088) features a narrow-band heated sensor type, which provides reliable and consistent readings of oxygen levels in the exhaust system. The sensor is threaded with an 18 mm diameter and a 22 mm hex size, allowing for secure installation. It comes with a 29.6-inch wiring harness and a 4-pin female connector, ensuring compatibility with the vehicle’s existing wiring. The sensor’s metal housing finished in steel offers durability under high-temperature conditions. The overall length of the sensor is 33.3 inches, with a sealing surface to connector length of 32.1 inches, making it suitable for the specified Mercedes-Benz models.

About the Bosch Actual OE Oxygen Sensor 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 performance and reliable fitment, which helps maintain the vehicle’s emission control system integrity. The 15088 sensor is part of this line, ensuring it matches the exact requirements of Mercedes-Benz vehicles like the C43 AMG and CLK series.

Common Applications and Issues Addressed

• Restores accurate air-fuel mixture readings for improved engine efficiency
• Helps resolve check engine light triggers related to oxygen sensor faults
• Reduces emissions by ensuring proper exhaust gas monitoring
• Prevents poor fuel economy caused by faulty sensor signals
• Supports smooth engine idling and performance stability

Installation Notes and Tips

Installation requires removing the old oxygen sensor and threading the Bosch 15088 sensor into the exhaust manifold or pipe. Use a 22 mm oxygen sensor socket for proper tightening. Ensure the wiring harness is connected securely to the female 4-pin connector to avoid electrical issues. No mounting bracket is included, so verify the sensor’s position matches the original equipment location. It is recommended to check for exhaust leaks after installation to maintain sensor accuracy.

Quality Assurance and Warranty

Bosch oxygen sensors are manufactured to meet strict quality standards, ensuring reliable performance and durability. The Actual OE Oxygen Sensor 15088 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 to cover manufacturing defects.