OE number 16100-69545 16100-69395 indicates a Toyota engine water pump assembly.This water pump is suitable for use with a 5VZFE 3.4L V6 engine.

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.