Bosch Upstream Oxygen Sensor for Porsche 991 (2012–2016)

This Bosch oxygen sensor is the correct upstream sensor for Porsche 991 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 mounted before the catalyst and gives the DME the fast feedback needed for accurate fuel trim control.

Technical Details

• Manufacturer part number: 17331
• Part type: Upstream oxygen sensor
• Fitment range: Porsche 991 (2012–2016)
• Wideband direct-fit sensor with OE-style connector
• Check bank location and original part number 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.