Part #: RA13612C

Universal Air RA13612C Radiator

Downflow Radiator
4 vehicles fit this part
Select your vehicle to confirm fitment
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OE Direct Replacement — Bolt-on fit, no modifications needed
Downflow Radiator
Fitment: Lexus, IS200t and IS300
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Downflow Radiator for Lexus IS Fitment

Universal Air RA13612C is a downflow radiator built for specific Lexus applications. It is listed for 2019-2020 Lexus IS300 and 2016 Lexus IS200t, giving buyers a direct-fit reference for Lexus IS300 radiator and Lexus IS200t radiator searches.

Key Features

  • Downflow radiator configuration
  • Fits 2019-2020 Lexus IS300, N/A
  • Fits 2016 Lexus IS200t, N/A
  • Part number: RA13612C
  • Brand line: Universal Air Downflow Radiator

Product Details

Universal Air RA13612C is a radiator for cooling-system service on select Lexus models. The downflow design identifies the radiator flow orientation, which is important when matching the replacement unit to the original cooling layout. For shoppers comparing Lexus IS300 radiator replacement options or searching for a 2016 Lexus IS200t downflow radiator, this part number provides a focused fitment reference.

The Universal Air Downflow Radiator line is organized around application-specific radiator replacements, making it easier to identify the correct cooling component for the vehicle listed. RA13612C is cataloged for the Lexus IS300 and Lexus IS200t applications shown below.

Common Issues This Part May Address

  • Coolant leaks from a damaged radiator core or tank
  • Overheating caused by restricted coolant flow
  • Corrosion or age-related radiator deterioration
  • Cooling-system performance loss after impact damage

Installation Notes and Tips

Confirm the radiator orientation and mounting layout against the original unit before installation. Inspect hoses, clamps, and the cooling fan assembly during replacement, and flush the cooling system if contamination or debris is present. Verify fitment by year, make, and model: Fits 2019-2020 Lexus IS300, N/A; Fits 2016 Lexus IS200t, N/A.

Quality Assurance

Use RA13612C as a cataloged replacement radiator for the listed Lexus applications. Verify the part number and vehicle fitment before installation to ensure the correct cooling-system match.

This part fits 4 vehicles. Search below:

YearMakeModelSubmodelLitersCylindersPositionNotes
2020LexusIS300BaseN/ADownflow Radiator
2019LexusIS300Base2.0LL4N/ADownflow Radiator
2019LexusIS300Base3.5LV6N/ADownflow Radiator
2016LexusIS200tN/ADownflow Radiator

* Always verify fitment with your vehicle's VIN if unsure. Submodel & trim restrictions may apply.