Part #: RA13338C

Universal Air RA13338C Radiator

Downflow Radiator
12 vehicles fit this part
Select your vehicle to confirm fitment
Verify this part fits before purchasing — free returns if it doesn't
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OE Direct Replacement — Bolt-on fit, no modifications needed
Downflow Radiator
Fitment: Lexus, ES300h and ES350
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Downflow Radiator for Lexus ES300h and ES350

Universal Air RA13338C is a downflow radiator for select 2013-2018 Lexus ES300h and Lexus ES350 applications. It is built for direct cooling-system replacement where the original radiator has leaked, restricted flow, or lost efficiency.

Key Features

  • Downflow radiator configuration
  • Compatible with 2013-2018 Lexus ES300h
  • Compatible with 2013-2018 Lexus ES350
  • OE-style replacement for cooling system service
  • Part number RA13338C for ordering and fitment verification

Product Details

Universal Air’s Downflow Radiator line focuses on replacement radiators for vehicle-specific cooling layouts. RA13338C is listed for Lexus ES300h and Lexus ES350 models from 2013 through 2018, making it a fitment-specific option for drivers replacing a damaged or aging radiator. Use RA13338C when servicing a cooling system that needs a direct radiator replacement for these Lexus applications.

Common Cooling Issues It Can Address

  • Coolant leaks from a cracked or corroded radiator
  • Overheating caused by restricted coolant flow
  • Temperature instability during stop-and-go driving
  • Reduced cooling performance from an aging radiator core
  • Replacement after impact damage to the front cooling stack

Installation Notes and Tips

Verify radiator dimensions, hose connections, and transmission cooler provisions against the original unit before installation. Flush the cooling system, inspect hoses and clamps, and refill with the correct coolant specification for the vehicle. Confirm fitment by matching the vehicle year, model, and radiator layout to RA13338C before installation.

Quality Assurance

Universal Air RA13338C is cataloged as a downflow radiator for the listed Lexus applications. Part number RA13338C should be matched to the vehicle’s original radiator configuration to confirm correct application before service.

This part fits 12 vehicles. Search below:

YearMakeModelPositionNotes
2018LexusES300hN/ADownflow Radiator
2018LexusES350N/ADownflow Radiator
2017LexusES300hN/ADownflow Radiator
2017LexusES350N/ADownflow Radiator
2016LexusES300hN/ADownflow Radiator
2016LexusES350N/ADownflow Radiator
2015LexusES300hN/ADownflow Radiator
2015LexusES350N/ADownflow Radiator
2014LexusES300hN/ADownflow Radiator
2014LexusES350N/ADownflow Radiator
2013LexusES300hN/ADownflow Radiator
2013LexusES350N/ADownflow Radiator

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