2-Pin Intake Air Temperature Sensor 4F0820539A – IAT Sensor Replacement

This Intake Air Temperature Sensor is a direct-fit replacement for 4F0820539A, designed for Audi vehicles for a 2-pin connector. It measures the temperature of incoming air and provides accurate data to the ECU, ensuring precise air-fuel mixture control and stable engine performance.Built for a heat-resistant thermoplastic housing and durable internal components, this sensor delivers consistent signal output and long-lasting reliability. It fits seamlessly into the intake system and installs in minutes for a factory-style plug-and-play connector.✅ Compatible for:for Audi A4 (2001–2008)for Audi A6 (2002–2011)for Audi A8 (2003–2010)for Audi Q7 (2007–2015)for Audi TT (2006–2014)Restore accurate intake air monitoring and improve overall engine efficiency without the need for rewiring or extra programming.

• OEM Replacement – Direct replacement for part number 4F0820539A, designed vehicles for 2-pin connector type.
• Accurate Air Temperature Reading – Measures intake air temperature precisely and transmits data to ECU for proper air-fuel mixture adjustment.
• Durable Build – Made for heat-resistant thermoplastic housing and high-quality electronic components for long service life.
• Plug-and-Play Installation – 2-pin connector matches factory harness, allowing quick installation without modifications.
• Restores Engine Performance – Helps improve fuel efficiency, reduce emissions, and optimize engine response by ensuring accurate sensor signals.