Bosch 17156 Oxygen Sensor - Upstream Right

Bosch Wideband O2 Sensor for Porsche Cayenne

Bosch 17156 is an Actual OE Oxygen Sensor built for precise air-fuel ratio monitoring in wideband applications. It is a direct-fit, heated sensor for the upstream right position on select 2011-2014 Porsche Cayenne models, including Porsche Cayenne 2011, 2012, 2013, and 2014 applications.

Key Features

• Wideband A/F oxygen sensor for continuous lambda measurement
• Heated design for faster sensor response and stable operation
• Specific-fit replacement for the upstream right location
• 5-wire harness with oblong male connector and blade terminals
• Threaded metal housing with 18 mm thread diameter and 22 mm hex size
• Overall length: 53.1 in; wiring harness included
• Bosch Actual OE Oxygen Sensor line is based on OE development and production standards

Product Details

Bosch 17156 uses wideband sensing technology to provide the ECU with detailed air-fuel ratio data across the full operating range, rather than the limited on/off signal of a traditional switching sensor. That level of measurement helps the engine management system maintain accurate mixture control during idle, cruise, acceleration, and load changes. For Porsche Cayenne owners, this Bosch oxygen sensor is a direct replacement for the upstream right sensor position on 2011-2014 vehicles.

The Bosch Actual OE Oxygen Sensor product line reflects Bosch’s long history in OE engine management development. This sensor features robust ceramic construction, optimized heater control, and a threaded metal body for secure installation in the exhaust stream. Part number 17156 is also a practical cross-reference for OE-style replacement needs in the same application.

This part cross-references Bosch OE-style replacement applications (e.g., 94860613400) for the same application.

What It Helps Address

• Check engine light related to oxygen sensor performance
• Incorrect air-fuel ratio readings from a worn upstream sensor
• Rough idle or inconsistent engine response caused by faulty mixture feedback
• Reduced fuel economy from inaccurate exhaust oxygen measurement
• Emissions test failures tied to sensor degradation

Installation Notes

Install Bosch 17156 in the upstream right position only when the vehicle application matches the listed fitment. Confirm the 18 mm thread size, 22 mm hex size, and 6-terminal configuration before installation. The sensor includes the wiring harness and uses a male oblong connector with a threaded mounting type. For best results, inspect the exhaust bung threads and connector condition before replacing the sensor.

Quality Assurance

Bosch supplies this Actual OE Oxygen Sensor as a standard replacement part backed by OE development experience and wideband sensor engineering. It is built for reliable signal accuracy and consistent heater performance in demanding exhaust conditions.