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Genuine

Radiator Cap Sub-Assembly

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About The Product

Lexus Radiator Cap Sub-Assembly #16401-31650 is a cooling system component that helps maintain the radiator’s designed pressure level while supporting steady coolant circulation. It is built to work with your Lexus cooling system for consistent engine temperature control and dependable performance.

  • Pressure Control: Helps maintain proper cooling system pressure
  • Coolant Management: Supports stable coolant flow through the radiator
  • Model-Matched Design: Engineered for Lexus cooling system specifications
  • Quality Replacement: Genuine construction for dependable fit and operation

Genuine Lexus parts are designed to fit your specific Lexus model and are backed by Lexus's genuine parts warranty.


Product Specs
Brand Genuine
Previous Version(s) 16401-5B630;16401-75440
Part Number 16401-31650

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