The replacement ignition coil is made for select 2014-2021 Audi, Seat and Volkswagen applications. It converts battery voltage into the high voltage that fires the spark plugs.

Walker Products 921-2300 Ignition Coil Features:

• Fits 2014-2016 Audi A3; 2016-2018 Audi A1, TT; 2016-2020 Audi A6 Quattro, Volkswagen Jetta; 2017-2018 Audi A4; 2017-2020 Audi A4 Quattro, A4 allroad, Q7
• Fits 2018-2019 Audi A5, Q5; 2018-2020 Audi A5 Quattro, Sportback, Volkswagen Atlas, Tiguan; 2018 Audi A7 Quattro; 2019 Audi Q2 Quattro, Volkswagen Teramont
• Also fits select Audi, Seat and Volkswagen applications