Part number 16102-87201 is mainly used in many Daihatsu vehicles, especially those equipped with EF and EJ series engines (usually 660cc or 1000cc minicars/K-cars).

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.