Fitments: Volkswagen Beetle 2014-2017 1.8L Volkswagen Golf 2015-2019 1.8L Volkswagen Jetta 2010-2018 1.8L Volkswagen Passat 2014-2016 1.8L Product Introduction: A fuel injector is a device for atomizing and injecting fuel into an internal combustion engine. The injector atomizes the fuel and forces it directly into the combustion chamber at the precise point in the combustion cycle. .