Bosch Downstream Oxygen Sensor for Porsche 997/991 Turbo/Turbo S (2010–2019)

This Bosch oxygen sensor is the correct downstream sensor for Porsche 997/991 Turbo and Turbo S applications listed in the fitment table below. Bosch has been a global leader in automotive technology since 1886, pioneering innovations like electronic fuel injection and oxygen (lambda) sensors that shaped modern engine management. Today, Bosch supplies OEM-quality sensors, engine electronics, ignition components, and braking parts found in vehicles worldwide. Known for precision engineering and reliable performance, Bosch parts are built to factory specifications for dependable fitment and long-term durability. It is installed after the catalyst on Turbo and Turbo S applications to monitor catalyst efficiency and keep the DME supplied with accurate feedback.

Technical Details

• Manufacturer part number: 16396
• Part type: Downstream oxygen sensor
• Fitment range: Porsche 997/991 Turbo and Turbo S (2010–2019)
• Direct-fit threaded sensor with OE-style connector
• Verify bank and build date before ordering

Fitment & Compatibility

Use the fitment table below to confirm year and submodel details before ordering.

If you need help checking fitment, send us your VIN. We have been working with Porsche parts for over 20 years, and we still treat fitment questions like they matter.