Bosch Downstream Left Oxygen Sensor for Porsche Panamera (2010–2016)

This Bosch downstream left oxygen sensor is a direct-fit replacement for Porsche Panamera applications listed in the fitment table below. Positioned after the catalyst, it monitors catalyst efficiency and post-cat oxygen content for the engine management system. 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.

Technical Details

• Manufacturer part number: 16177
• Type: Heated oxygen sensor
• Position: Downstream left, after catalyst
• Direct-fit connector and harness for OE-style installation
• Common service replacement for post-cat sensor faults and catalyst-monitor codes

Fitment & Compatibility

Use the fitment table below to confirm year and submodel. Post-cat sensors can still be side-specific, so check the original part number and bank location before ordering.

Downstream sensors may not control primary fuel trim, but they still matter for proper monitoring and fault diagnosis. We have been helping with Porsche emissions and fitment questions for over 20 years.