Core Sub-Assembly

About this product

The Core Sub-Assembly (#16403-11870), a crucial component in the Radiator & Water Outlet system, plays a vital role in regulating the engine's temperature. This Engine-Fuel part oversees the flow of coolant, ensuring the engine doesn't overheat during operation. The Core Sub-Assembly (#16403-11870) works in concert with the radiator, water pump, and coolant, maintaining a balance between heat production and dissipation. Periodic replacement of the Core Sub-Assembly (#16403-11870) is vital—over time, the part can become clogged, leading to an overheating engine which could result in severe damage. Genuine Toyota parts offer superior compatibility, maintaining the efficiency of the system. Furthermore, they are backed by Toyota's genuine parts warranty. In conclusion, the Core Sub-Assembly (#16403-11870) is essential to maintaining the engine's performance, preventing overheating, and contributing to the overall safety and efficiency of your Toyota vehicle.
Brand Toyota Genuine
Previous Version(s) 16403-11670
Part Number 16403-11870

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