Universal Air
Downflow Radiator

Universal Air RA2356C Radiator

Brand Universal Air RA2356C
Product line Downflow Radiator
Fits Lexus · 5 vehicles

Downflow design. Promotes efficient coolant flow through the radiator.

Radiator for cooling system heat transfer.

$133.69Free shipping
In stock · usually ships same day before 1pm CST
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Step 2 — Quantity
Order total $133.69
Free shipping to the continental U.S.
Free returns within 60 days if it doesn't fit when fitment is verified.

Radiator for Lexus IS300

Universal Air RA2356C is a downflow radiator built for direct-fit replacement in select Lexus IS300 applications. It is listed for 2001-2005 Lexus IS300 models and supports routine cooling system service on this platform.

Key Features

  • Downflow radiator design
  • Fits 2001-2005 Lexus IS300
  • Replacement part number RA2356C
  • Brand line: Universal Air Downflow Radiator

Product Details

This Universal Air radiator is part of the Downflow Radiator line and is cataloged for the Lexus IS300 from 2001 through 2005. If you are searching for a Lexus IS300 radiator, RA2356C provides a fitment-specific option for cooling system repair or replacement on the listed vehicle range. The part number RA2356C is also useful when cross-checking catalog listings for the same application.

Common Cooling System Issues

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

Installation Notes

Verify radiator dimensions, hose connections, and transmission or engine cooling provisions against the vehicle before installation. Flush the cooling system, inspect hoses and clamps, and refill with the correct coolant mixture after installation. Confirm there are no leaks and that operating temperature remains stable during road testing.

Quality Assurance

Universal Air catalogs this radiator as a dedicated downflow replacement for the specified Lexus IS300 fitment. Confirm application by year, make, model, and part number RA2356C before ordering.

This part fits 5 vehicles
Always verify fitment with your vehicle's VIN if unsure. Submodel & trim restrictions may apply.
YearMakeModelPositionNotes
2005LexusIS300N/ADownflow Radiator
2004LexusIS300N/ADownflow Radiator
2003LexusIS300N/ADownflow Radiator
2002LexusIS300N/ADownflow Radiator
2001LexusIS300N/ADownflow Radiator