Part numbers 06L121600E ,06L121111H are for Volkswagen/Audi 2.0L TSI engines | Compatible with 2018-2021 Atlas, 2018-2020 Tiguan, and 2017-2020 A4/Q5 | Replaceable third-generation engines are

Although the car water pump has a simple structure, it is the power source for the engine cooling system and is crucial to the engine’s health. Understanding its function, working principle, and common faults helps car owners to identify potential problems in a timely manner and perform proper maintenance, thus avoiding major issues and protecting the expensive engine.