Bosch 17363 Oxygen Sensor - Upstream

Reliable Oxygen Sensor for Audi A6 Quattro and More

The Bosch Actual OE Oxygen Sensor 17363 is designed to provide accurate air-fuel mixture readings for select Audi models. This heated, wide-band oxygen sensor ensures precise emissions control and engine performance for vehicles like the Audi A6 Quattro, A8 Quattro, R8, RS4, and S8.

• Heated wide-band oxygen sensor for improved response time
• Specific fit for Audi A6 Quattro, A8 Quattro, R8, RS4, and S8 models
• 64.4-inch wiring harness with oblong male connector
• Threaded mounting type with 18 mm thread diameter and 22 mm hex size
• Durable metal housing with steel finish
• Standard replacement grade with 5 wires and 6 terminals
• Wiring harness included for direct installation

About the Bosch Actual OE Oxygen Sensor Line

The Bosch Actual OE Oxygen Sensor product line is engineered to meet original equipment specifications, providing reliable performance and compatibility. This line focuses on delivering sensors that match factory fit and function, ensuring proper emissions control and engine efficiency. The 17363 part number is part of this line, offering a direct replacement solution for specific Audi models requiring a heated, wide-band oxygen sensor.

Detailed Product Description

This Bosch oxygen sensor features a heated design to reduce warm-up time and improve sensor accuracy under various operating conditions. The wide-band sensor type allows for precise measurement of oxygen levels in the exhaust, which is critical for maintaining optimal air-fuel ratios and reducing emissions. The sensor includes a 64.4-inch wiring harness with an oblong male connector and blade-type terminals, facilitating a secure and specific fit. Its metal housing and steel finish provide durability against harsh engine environments. The threaded mounting type with an 18 mm diameter and 22 mm hex size ensures compatibility with the designated Audi models.

Common Applications and Issues Addressed

• Restores accurate oxygen sensing for proper engine management
• Helps resolve rough idling and poor fuel economy
• Reduces emissions-related check engine light triggers
• Improves catalytic converter efficiency
• Prevents drivability issues caused by faulty oxygen sensors

Installation Notes and Tips

Ensure the vehicle is compatible with the Bosch 17363 oxygen sensor before installation. The sensor is designed for specific Audi models including A6 Quattro, A8 Quattro, R8, RS4, and S8. Use a 22 mm oxygen sensor socket for removal and installation. Avoid damaging the wiring harness and connector during installation. The sensor’s heated feature requires proper electrical connection, so verify the wiring harness is securely attached. Thread the sensor carefully to prevent cross-threading.

Quality Assurance and Warranty

Bosch manufactures the Actual OE Oxygen Sensor 17363 to meet stringent quality standards, ensuring reliable performance and durability. This sensor is a standard replacement grade part designed to match OEM specifications. While specific warranty details are not provided here, Bosch products typically come with manufacturer-backed warranties to cover defects in materials and workmanship.