Bosch 17331 Oxygen Sensor - Upstream

Reliable Oxygen Sensor for Porsche 911, Boxster, and Cayman

The Bosch Actual OE Oxygen Sensor part number 17331 is designed specifically for select Porsche models, including the 911, Boxster, and Cayman. 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 Porsche 911, Boxster, and Cayman models
• 28.5-inch wiring harness with oblong male connector
• Threaded mounting type with 18 mm thread diameter
• Wide-band sensor type for precise air-fuel ratio measurement
• Standard replacement grade with metal housing and steel finish
• Blade terminal type with 6 terminals and 5 wires
• Includes wiring harness for direct installation
• 22 mm hex size for installation with standard oxygen sensor tools

About the Bosch Actual OE Oxygen Sensor Product Line

The Bosch Actual OE Oxygen Sensor line is engineered to meet original equipment specifications, providing reliable performance and durability. This product line focuses on delivering sensors that match the exact fit and function required by vehicle manufacturers, ensuring compatibility and consistent emissions control. Part number 17331 is part of this line, offering a direct replacement solution for Porsche vehicles that require a heated wide-band oxygen sensor.

Detailed Product Description

This Bosch oxygen sensor features a heated design to reduce warm-up time, allowing the engine control unit to receive accurate oxygen level data sooner. The wide-band sensor type provides a broad measurement range, improving fuel efficiency and reducing emissions. The sensor is constructed with a metal housing finished in steel for durability and corrosion resistance. It includes a 28.5-inch wiring harness with an oblong male connector and blade terminal type, facilitating a secure and precise electrical connection. The threaded mounting type with an 18 mm diameter and 22 mm hex size ensures straightforward installation using common tools.

Common Applications and Issues Addressed

• Restores accurate air-fuel ratio readings for Porsche 911, Boxster, and Cayman
• Resolves engine performance issues related to faulty oxygen sensors
• Helps reduce emissions and pass state inspections
• Eliminates rough idling and poor fuel economy caused by sensor failure
• Prevents check engine light triggers related to oxygen sensor faults

Installation Notes and Tips

Ensure the vehicle is cool before removing the old oxygen sensor to avoid burns. Use a 22 mm oxygen sensor socket or wrench for removal and installation. Verify the wiring harness length and connector type match the vehicle’s specifications. The sensor’s threaded mounting requires proper torque to avoid damage or leaks. Since this is a specific fit sensor for Porsche 911, Boxster, and Cayman models, confirm compatibility with your vehicle’s year and engine type before installation.

Quality Assurance and Warranty

Bosch oxygen sensors are manufactured to meet stringent quality standards, ensuring reliable operation and longevity. The Actual OE Oxygen Sensor line is designed to meet or exceed OEM specifications. While specific warranty details are not provided here, Bosch typically offers limited warranties on their emission control sensors. Refer to Bosch or your parts provider for exact warranty terms related to part number 17331.