16100-09080 16100-09170 16100-29095 Water pump assembly, used in multiple Toyota models, including Corolla, Celica, MR2, and RAV4.

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.