Bosch Oxygen Sensor for Porsche 911/964 (1986–1994)

This Bosch oxygen sensor is a direct-fit replacement for Porsche 911 applications listed in the fitment table below. It monitors exhaust oxygen content so the fuel system can maintain the correct mixture and emissions control strategy. 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: 13924
• Type: Heated oxygen sensor
• Sensor design: 3-wire OE-identical sensor
• Direct-fit connector and harness for factory-style installation
• Typical service item for mixture control, idle quality, and emissions-related faults

Fitment & Compatibility

Use the fitment table below to confirm the correct year range for your Porsche 911 application. On older cars, matching the part number and harness style is the best way to avoid ordering the wrong sensor.

Older Porsche emissions parts can be simple on paper and still catch you out on connectors or production changes. We have been working with Porsche service and fitment for over 20 years, and that experience still helps on air-cooled-era parts.