Part #: A2320

Koyorad A2320 Radiator

⚙️ 7 vehicles fit this part
🔍
Select your vehicle to confirm fitment
Verify this part fits before purchasing — free returns if it doesn't
$277.39Free Shipping
🚚Free ShippingNo Cost to Continental U.S.
🔄Free Returns*Wrong fit? No cost
🛡️60-Day ReturnsMoney back guarantee
*Free return shipping only qualifies if our fitment verification tool is used.
🔥
✅ In Stock · Ready To Ship Most orders ship same-day if ordered before 1pm CST.
OE Direct Replacement — Bolt-on fit, no modifications needed
🚗Fitment: Toyota, Tundra
🔄Easy Returns — Return within 60 days for a full refund
🚚Fast Shipping — Most orders ship same business day before 1pm CST

Koyorad A2320 Radiator for Toyota Tundra

The Koyorad A2320 radiator is an OE-equivalent replacement built for 2000-2006 Toyota Tundra applications. It combines an aluminum core with plastic tanks and includes an internal transmission oil cooler for direct replacement service on equipped vehicles.

Key Features

  • Fits 2000-2006 Toyota Tundra
  • Aluminum core construction with plastic tanks
  • 2-row core design for factory-style cooling performance
  • Internal transmission oil cooler included
  • Inlet diameter: 1.3125 in.; outlet diameter: 1.5 in.
  • Core dimensions: 21.625 in. height, 28.3125 in. width, 1.4375 in. thickness
  • Transmission oil cooler diameter: 1.375 in.
  • Part number: A2320

Detailed Description

Koyorad A2320 is a replacement radiator engineered for the Toyota Tundra cooling system, with dimensions and connections that support OE-style fitment on 2000-2006 Toyota Tundra trucks. The aluminum core helps transfer heat efficiently, while the plastic tank construction matches common factory radiator design. This radiator includes an internal transmission oil cooler, making it a direct solution for vehicles that route automatic transmission fluid through the radiator assembly. Koyorad A2320 is a practical choice when replacing a leaking, clogged, or damaged radiator on a Toyota Tundra.

What This Radiator Helps Solve

  • Coolant leaks from cracked tanks or worn seams
  • Overheating caused by restricted or inefficient radiator flow
  • Transmission fluid cooling issues related to a failed internal cooler
  • Reduced cooling performance from a damaged core
  • Replacement needs after corrosion or impact damage

Installation Notes and Tips

Verify core dimensions, inlet and outlet sizes, and transmission cooler connections before installation. Flush the cooling system, inspect hoses and clamps, and confirm the radiator mounts securely in the factory location. For 2000-2006 Toyota Tundra service, matching the original transmission cooler setup is important for proper operation. Part number A2320 should be checked against the removed unit before final installation.

Quality Assurance

Koyorad states that its radiators are built as OE-equivalent replacements using technical manufacturing experience focused on accurate replacement fit and function. This part cross-references no listed alternate part numbers for the same application.

BrandKoyorad
Part NumberA2320
Core Height21.625
Core MaterialAluminum
Core Row Quantity2
Core Thickness1.4375
Core Width28.3125
Inlet Diameter1.3125
Internal Transmission Oil CoolerYes
Outlet Diameter1.5
Tank MaterialPlastic
TitleKoyorad a2320 radiator
Transmission Oil Cooler Diameter1.375
Transmission Oil Cooler IncludedYes

This part fits 7 vehicles. Search below:

YearMakeModelLitersCylindersPositionNotes
2006ToyotaTundra4.0LV6N/A
2005ToyotaTundra4.0LV6N/A
2004ToyotaTundra3.4LV6N/A
2003ToyotaTundra3.4LV6N/A
2002ToyotaTundra3.4LV6N/A
2001ToyotaTundra3.4LV6N/A
2000ToyotaTundra3.4LV6N/A

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