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Keep your engine safe and your cooling system efficient with the Toyota Genuine Radiator Cap Sub-Assembly (OEM Part No. 16401-54750). Manufactured by Toyota Motor Corporation Japan, this radiator cap is specifically designed to regulate cooling system pressure at 88 kPa (0.9 Bar), preventing overheating, leaks, and premature coolant loss.
OEM Part Number: 16401-54750
Brand: Toyota / Lexus Genuine Parts
Country of Origin: Made in Japan
Pressure Rating: 88 kPa (0.9 Bar)
Category: Cooling System → Radiator Components
Toyota Radiator Cap 16401-54750 fits select Toyota and Lexus models. Please confirm fitment with your VIN or chassis number before purchase.
Aftermarket radiator caps may fail early or apply the wrong pressure, risking engine overheating and costly repairs. Genuine Toyota caps like 16401-54750 (88 kPa / 0.9 Bar) are precision-tested to deliver maximum reliability and cooling efficiency.

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