This is a genuine TOYOTA radiator cap, part number SU001A0201, specifically designed for FR models. A radiator cap is a crucial component of your vehicle's cooling system. It does more than just seal the radiator; it regulates the pressure within the system. By maintaining the correct pressure, the cap raises the boiling point of the coolant, allowing the engine to run at optimal temperatures even under demanding conditions. Over time, radiator caps can wear out, leading to leaks or a failure to hold pressure. This can result in overheating, which can cause significant damage to your engine. Replacing a worn radiator cap with a genuine TOYOTA part ensures compatibility and reliable operation, safeguarding your engine from potential damage and keeping your FR model running smoothly.
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