Bosch 17353 Oxygen Sensor - Upstream or Upstream Right

Overview of Bosch Actual OE Oxygen Sensor 17353

The Bosch Actual OE Oxygen Sensor 17353 is designed for precise emission control in select Audi, Bentley, and Volkswagen models. This heated, wide-band oxygen sensor ensures accurate air-fuel mixture readings to support optimal engine performance and emissions compliance.

• Heated wide-band oxygen sensor for accurate emissions monitoring
• Specific fit for Audi A4, A4 Quattro, A6, A6 Quattro, Allroad Quattro, Bentley Continental, Volkswagen Beetle, S4, and TT Quattro
• 26.2-inch wiring harness with oblong male connector included
• Threaded mounting type with 18 mm thread diameter and 22 mm hex size
• Durable metal housing with steel finish and standard replacement grade

Detailed Features and Specifications

This Bosch oxygen sensor features a heated element to quickly reach operating temperature, improving sensor response time and reducing emissions during cold starts. The wide-band sensor type provides a broad measurement range for precise air-fuel ratio feedback. The 26.2-inch wiring harness with a male oblong connector and blade terminal type ensures a secure and reliable electrical connection. Designed as a specific fit part, it matches the OEM specifications for select Audi, Bentley, and Volkswagen vehicles, including the Audi A4, A6, and Allroad Quattro models, Bentley Continental, and Volkswagen Beetle and TT Quattro.

The sensor’s metal housing and steel finish provide durability under harsh engine conditions. It mounts via a threaded connection with an 18 mm diameter and 22 mm hex size for installation using standard tools. The Bosch Actual OE Oxygen Sensor 17353 is a standard replacement grade part, suitable for maintaining factory-level performance.

About the Bosch Actual OE Oxygen Sensor Product Line

The Bosch Actual OE Oxygen Sensor line is engineered to meet original equipment specifications, ensuring compatibility and reliable performance. This product line focuses on delivering sensors that match the fit, form, and function of the factory-installed components. The 17353 sensor is part of this line, providing a direct replacement solution for emission control systems in specific European vehicles.

Common Applications and Issues Addressed

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

Installation Notes and Tips

• Ensure vehicle compatibility with Bosch part number 17353 before installation
• Use a 22 mm oxygen sensor socket for removal and installation
• Do not overtighten; torque to manufacturer specifications to avoid damage
• Inspect wiring harness and connector for damage before installation
• Allow the engine to cool before replacing the sensor to prevent burns

Quality Assurance and Warranty

Bosch oxygen sensors are manufactured to meet strict quality standards for durability and performance. The Actual OE Oxygen Sensor 17353 undergoes rigorous testing to ensure reliable operation in emission control systems. While specific warranty details may vary, Bosch typically offers coverage against defects in materials and workmanship for a defined period. Refer to Bosch or vehicle manufacturer documentation for exact warranty terms.