<h3>Key features</h3><ul> <li>REPLACEMENT ENGINE COOLANT TEMPERATURE SENSOR : Engine Coolant Temperature Sensor is a sensor that is screwed into the engine's block or cylinder head. Common symptoms of a bad ECT sensor are overheating, hard starting conditions, poor idle, black smoke coming from the engine, Check Engine Light ON and the electric fans do not work properly. Be aware that coolant will gush out when removing the old plug so have the new sensor close and ready to attempt to reduce the amount of coolant loss.</li> <li>COMPATIBLE WITH AUDI VEHICLES : 2006-2013, 2015-2020 A3 | 2002-2020 A4 | 2010-2014 A5 | 2008-2020 A5 Quattro | 2006-2018 A6 | 2012-2018 A7 Quattro | 2004-2018 A8 Quattro | 2015-2020 Q3 | 2009-2017 Q5 | 2007-2015, 2017-2020 Q7 | 2008-2012, 2014-2015 R8 | 2017-2020 RS3 | 2014-2018 RS7 | 2015-2020 S3 | 2004-2016 S4 | 2008-2017 S5 | 2007-2011, 2013-2018 S6 | 2013-2018 S7 | 2007-2009, 2013-2018 S8 | 2014-2017 SQ5 | 2008-2020 TT Quattro | 2009-2020 TTS Quattro &amp; more coolant temperature sensor.</li> <li>REPLACES PART # : 158-0784, 1580784 Coolant Temperature Sensor. The ECT temp sensor compatible with VW : 2019-2020 Arteon | 2018-2021 Atlas | 2001-2010, 2012-2019 Beetle | 2009-2017 CC | 2015-2019 E-golf | 2007-2016 Eos | 2010-2020 Golf | 2006-2020 GTI | 1999-2020 J-etta | 2002-2004, 2006-2010, 2012-2020 Passat | 2004-2006 Phaeton | 2006-2009 Rabbit | 2009-2020 Ti-guan | 2004-2017 Touareg &amp; more. Please check the detailed description to confirm the compatibility before purchase. Thank you!</li> <li>OE FIT, FORM, FUNCTION : Professional, high quality OE style and meet or exceed all original equipment performance engine coolant temperature sensor. Brand New and ready to install straight out of the box. Easy 5-10 minutes install: remove wire connector from sensor, unscrew sensor with deep socket or open end wrench, screw new sensor and connect plug. FYI 3/4 deep socket required for removal and application. No teflon tape needed as it is already on the threads.</li> <li>FRIENDLY NOTE : If the engine coolant temperature sensor fails on your vehicle, simply contact us for a replacement. Also if you have any other questions on our this engine coolant temperature sensor, please contact us at the first time. This is NOT a genuine part, it's a aftermarket replacement part manufactured by Allmotorparts.</li> </ul><p>Engine Coolant Temperature Sensor is a sensor that is screwed into the engine's block or cylinder head. Be aware that coolant will gush out when removing the old plug so have the new sensor close and ready to attempt to reduce the amount of coolant loss. Compatible with Audi Vehicles: 2006-2013, 2015-2020 A3 2006-2013, 2015-2019 A3 Quattro 2016-2018 A3 Sportback E-tron 2002-2020 A4 2017-2020 A4 Allroad 2002-2020 A4 Quattro 2010-2014 A5 2008-2020 A5 Quattro 2018-2020 A5 Sportback 2006-2018 A6 2005-2018 A6 Quattro 2012-2018 A7 Quattro 2004-2018 A8 Quattro 2013-2016 Allroad 2015-2020 Q3 2015-2018 Q3 Quattro 2009-2017 Q5 2007-2015, 2017-2020 Q7 2008-2012, 2014-2015 R8 2017-2020 RS3 2007-2008 RS4 2014-2018 RS7 2015-2020 S3 2004-2016 S4 2008-2017 S5 2007-2011, 2013-2018 S6 2013-2018 S7 2007-2009, 2013-2018 S8 2014-2017 SQ5 2008-2009 TT 2008-2020 TT Quattro 2012-2013, 2018-2020 TT RS Quattro 2009-2020 TTS Quattro Compatible with Volkswagen Vehicles: 2019-2020 VW Arteon 2018-2021 VW Atlas 2020 VW Atlas Cross Sport 2001-2010, 2012-2019 VW Beetle 2009-2017 VW CC 2015-2019 VW E-golf 2007-2016 VW Eos 2010-2020 VW Golf 2017-2019 VW Golf Alltrack 2012-2013, 2015-2019 VW Golf R 2015-2019 VW Golf </p><p>Free shipping included. 30-day hassle-free returns.</p>