Universal Air
Downflow Radiator

Universal Air RA2321C Radiator

Brand Universal Air RA2321C
Product line Downflow Radiator
Fits Toyota · 13 vehicles

Downflow design. Promotes efficient coolant flow through the radiator.

Replacement radiator for cooling system service.

$199.63Free shipping
In stock · usually ships same day before 1pm CST
Step 1 — Confirm fitment
Free return shipping if it doesn't fit when you check fitment here first.
Select your vehicle to confirm fitment
Verify this part fits before purchasing — free returns if it doesn't
Step 2 — Quantity
Order total $199.63
Free shipping to the continental U.S.
Free returns within 60 days if it doesn't fit when fitment is verified.

Downflow Radiator for Toyota Tundra

Universal Air RA2321C is a downflow radiator for select 2000-2006 Toyota Tundra applications. It is built for direct vehicle-specific cooling system service and is listed for N/A position fitment.

Key Features

  • Brand: Universal Air
  • Brand line: Downflow Radiator
  • Part number: RA2321C
  • Fits 2000-2006 Toyota Tundra, N/A
  • Cooling-system replacement part for radiator service

Product Details

The Universal Air Downflow Radiator line is focused on radiator replacements for vehicles that use a downflow configuration. This RA2321C radiator is cataloged for 2000-2006 Toyota Tundra models and supports routine cooling-system repair when the original radiator is leaking, restricted, or no longer maintaining proper operating temperature. If you are searching for a Toyota Tundra radiator replacement, Toyota Tundra cooling system part, or RA2321C radiator for 2000-2006 Toyota Tundra, this listing matches that application.

What It Helps Address

  • Coolant leaks from a damaged or aging radiator
  • Overheating caused by reduced heat transfer
  • Cooling performance loss from internal blockage or corrosion
  • Temperature instability during normal driving
  • Radiator replacement needs on 2000-2006 Toyota Tundra trucks

Installation Notes and Tips

Verify radiator configuration and vehicle fitment before installation. Inspect hoses, clamps, and the cooling fan system during replacement, and flush the cooling system if contamination is present. Confirm the part number RA2321C matches your application before ordering or installation.

Quality Assurance

Universal Air catalogs this radiator under its Downflow Radiator product line for application-specific cooling service. This part cross-references Monroe Shocks & Struts (e.g., 172286, 182286) for the same application.

This part fits 13 vehicles
Always verify fitment with your vehicle's VIN if unsure. Submodel & trim restrictions may apply.
YearMakeModelSubmodel# DoorsLitersCylindersPositionNotes
2006ToyotaTundraBase2 Door4.7LV8N/ADownflow Radiator
2005ToyotaTundraLimited4.7LV8N/ADownflow Radiator
2005ToyotaTundraBase2 Door4.7LV8N/ADownflow Radiator
2005ToyotaTundraSR54.7LV8N/ADownflow Radiator
2004ToyotaTundraSR52 Door4.7LV8N/ADownflow Radiator
2003ToyotaTundraLimited4.7LV8N/ADownflow Radiator
2003ToyotaTundraSR54.7LV8N/ADownflow Radiator
2002ToyotaTundraLimited4.7LV8N/ADownflow Radiator
2002ToyotaTundraSR54.7LV8N/ADownflow Radiator
2001ToyotaTundraSR54.7LV8N/ADownflow Radiator
2001ToyotaTundraLimited4.7LV8N/ADownflow Radiator
2000ToyotaTundraSR54.7LV8N/ADownflow Radiator
2000ToyotaTundraLimited4.7LV8N/ADownflow Radiator