Bosch 17303 Oxygen Sensor - Upstream or Upstream Left

Overview of Bosch Actual OE Oxygen Sensor 17303

The Bosch Actual OE Oxygen Sensor 17303 is designed specifically for Mercedes-Benz SLK55 AMG and SLK350 models. This heated, wide-band oxygen sensor ensures accurate air-fuel mixture readings to support optimal engine performance and emissions control.

• Heated oxygen sensor for faster response times
• Specific fit for Mercedes-Benz SLK55 AMG and SLK350
• Wide-band sensor type for precise air-fuel ratio measurement
• 24.4-inch wiring harness with oblong male connector
• Threaded mounting type with 18 mm thread diameter
• Standard replacement grade with metal housing and steel finish
• Includes wiring harness with 5 wires and 6 terminals
• 22 mm hex size for installation

Detailed Product Description

The Bosch Actual OE Oxygen Sensor 17303 is engineered as a direct replacement part for specific Mercedes-Benz vehicles, including the SLK55 AMG and SLK350. Featuring a heated design, this sensor quickly reaches operating temperature to provide accurate oxygen level readings. The wide-band sensor technology allows for precise monitoring of the air-fuel mixture, which is critical for maintaining engine efficiency and reducing emissions.

This oxygen sensor includes a 24.4-inch wiring harness with an oblong male connector and blade-type terminals, ensuring a secure and reliable electrical connection. The sensor is threaded with an 18 mm diameter and a 22 mm hex size, facilitating straightforward installation. Constructed with a durable metal housing and finished in steel, it is built to withstand harsh engine conditions.

About the Bosch Actual OE Oxygen Sensor Product Line

The Actual OE Oxygen Sensor line by Bosch is designed to meet original equipment specifications, providing a reliable and precise replacement for factory-installed sensors. This product line focuses on delivering components that maintain vehicle performance and emissions compliance, making it suitable for professional repairs and maintenance on Mercedes-Benz models like the SLK55 AMG and SLK350.

Common Applications and Issues Addressed

• Restores accurate oxygen sensing for proper engine management
• Resolves check engine light triggers related to oxygen sensor faults
• Improves fuel efficiency by ensuring correct air-fuel mixture
• Reduces harmful emissions by maintaining optimal combustion
• Eliminates rough idling or poor acceleration caused by faulty sensors

Installation Notes and Tips

• Ensure vehicle compatibility with Mercedes-Benz SLK55 AMG or SLK350 before installation
• Use a 22 mm oxygen sensor socket for removal and installation
• Do not overtighten; torque to manufacturer specifications
• Inspect wiring harness and connectors for damage before installation
• Allow the sensor to reach operating temperature for accurate diagnostics

Quality Assurance and Warranty

The Bosch Actual OE Oxygen Sensor 17303 is manufactured to meet stringent quality standards, ensuring durability and reliable performance. As a standard replacement grade sensor, it is designed to match OEM specifications for fit and function. Warranty coverage details should be confirmed with the point of purchase or Bosch directly.