Bosch 17020 Oxygen Sensor - Upstream or Upstream Left

Overview of Bosch Actual OE Oxygen Sensor 17020

The Bosch Actual OE Oxygen Sensor 17020 is engineered specifically for Mercedes-Benz vehicles, including the CLK63 AMG and E320 models. This wide-band oxygen sensor is a heated, threaded sensor designed to provide accurate emissions data for optimal engine performance and fuel efficiency.

• Heated oxygen sensor for faster response times
• Specific fit for Mercedes-Benz CLK63 AMG and E320
• Wide-band sensor type for precise air-fuel ratio monitoring
• Threaded mounting type with 18 mm thread diameter and 22 mm hex size
• 47-inch wiring harness length with oblong male connector
• Standard replacement grade with metal housing and steel finish
• Includes wiring harness with 5 wires and 6 terminals (male blade type)
• Overall length approximately 50.4 inches from sealing surface to connector end

About the Bosch Actual OE Oxygen Sensor Product Line

The Bosch Actual OE Oxygen Sensor line is designed to meet original equipment specifications, ensuring compatibility and reliable performance for specific vehicle applications. This product line focuses on delivering sensors that match factory fit and function, making the 17020 oxygen sensor a direct replacement for Mercedes-Benz models requiring precise emissions control components.

Detailed Product Description

This Bosch oxygen sensor features a heated element to reduce warm-up time, allowing the sensor to quickly provide accurate readings to the engine control unit. The wide-band sensor technology enables precise measurement of the air-fuel mixture, which is critical for maintaining emissions compliance and engine efficiency. The sensor’s metal housing and steel finish provide durability under harsh operating conditions. The 47-inch wiring harness with an oblong male connector and blade-type terminals ensures a secure and specific fit for the CLK63 AMG and E320 models. The threaded mounting type with an 18 mm diameter and 22 mm hex size allows for straightforward installation using standard tools.

Common Applications and Issues Addressed

• Replacement for faulty or failing oxygen sensors in Mercedes-Benz CLK63 AMG and E320
• Helps resolve engine performance issues related to incorrect air-fuel mixture
• Reduces emissions by providing accurate data to the engine control unit
• Addresses check engine light triggers related to oxygen sensor faults
• Improves fuel economy by ensuring proper sensor operation

Installation Notes and Tips

• Ensure vehicle compatibility with Mercedes-Benz CLK63 AMG or E320 before installation
• Use a 22 mm oxygen sensor socket for removal and installation
• Do not overtighten; follow manufacturer torque specifications for the 18 mm threaded sensor
• Verify wiring harness connections match the oblong male connector and blade terminals
• Inspect sensor wiring for damage before installation to avoid electrical issues

Quality Assurance and Warranty

The Bosch Actual OE Oxygen Sensor 17020 is manufactured to meet strict quality standards for durability and performance. Bosch provides a standard replacement grade sensor designed to match original equipment specifications. While specific warranty details may vary, Bosch products typically include coverage against defects in materials and workmanship to ensure reliability in automotive emission control applications.