OE number 16100-59365 is the part number for an engine water pump in Toyota vehicles. This part is primarily used in Toyota Land Cruiser and Lexus LX450d/LX570 models equipped with a 1VD-FTV diesel 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.