Expansion Plug

About this product

The Expansion Plug (#96412-43500), a vital component in the Cylinder Block system, plays an essential role in managing the internal pressure within your vehicle’s engine. This Engine-Fuel part functions by sealing the coolant passages in the engine block and cylinder head, allowing the coolant to efficiently flow and regulate the engine's temperature. However, over time, the Expansion Plug (#96412-43500) can corrode or wear out, and when this happens, it may lead to leaks, overheating, or even engine failure. Therefore, it's imperative to replace it periodically with genuine parts for optimal vehicle compatibility. Remember, only genuine Toyota parts can offer the assurance of Toyota's genuine parts warranty. Furthermore, the Expansion Plug (#96412-43500) greatly contributes to the overall efficiency of the Engine system by maintaining the correct internal pressure and preventing overheating- ultimately prolonging the lifespan of the engine.