Koyorad A2682 Radiator

Brand Koyorad A2682
Core Height 26.375
Core Material Aluminum
Core Row Quantity 1
Core Thickness 0.875
Core Width 20.125
Inlet Diameter 1.5
Internal Transmission Oil Cooler Yes
Outlet Diameter 1.3125
Tank Material Aluminum
Title Koyorad a2682 radiator
Tow Packaging With tow
Transmission Oil Cooler Diameter 1.625
Transmission Oil Cooler Included Yes
Fits Toyota · 2 vehicles

OE equivalent replacement. Built to match the original radiator’s fit and function.

Aluminum construction. Lightweight core and tanks help promote efficient heat transfer.

Transmission oil cooler included. Adds integrated cooling for a more complete replacement.

$198.91Free shipping
In stock · usually ships same day before 1pm CST
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Order total $198.91
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Koyorad A2682 Radiator for Toyota Sienna

The Koyorad A2682 radiator is an OE-equivalent replacement built for 2004-2005 Toyota Sienna applications. It uses an aluminum core and aluminum tanks, with an internal transmission oil cooler included for direct cooling-system service on the vehicle.

Key Features

  • Fits 2004-2005 Toyota Sienna, N/A
  • Aluminum core construction with aluminum tank material
  • Core dimensions: 26.375 in. height, 20.125 in. width, 0.875 in. thickness
  • Single-row core design
  • Internal transmission oil cooler included
  • Inlet diameter: 1.5 in.; outlet diameter: 1.3125 in.
  • Transmission oil cooler diameter: 1.625 in.
  • Tow packaging configuration

Detailed Description

Koyorad A2682 is a radiator replacement for the Toyota Sienna that follows OE-style fitment and cooling-system layout. Koyorad builds replacement radiators with the technical experience needed to match factory-style performance requirements, and this unit includes the internal transmission oil cooler specified for the application. If you are replacing a leaking, clogged, or damaged Toyota Sienna radiator, the A2682 provides the core dimensions and hose connections needed for a direct-service repair.

This part number, A2682, is a practical choice for Toyota Sienna owners looking for a radiator with aluminum construction and integrated transmission cooling. The Koyorad A2682 radiator is also a strong fit for searches such as 2004 Toyota Sienna radiator replacement, 2005 Toyota Sienna radiator with transmission cooler, and OE equivalent radiator for Toyota Sienna.

What It Helps Fix

  • Coolant leaks from a cracked or corroded radiator
  • Overheating caused by restricted coolant flow
  • Transmission fluid temperature issues related to a failed cooler circuit
  • Physical damage to the radiator core or tanks
  • Cooling-system service needs on a 2004-2005 Toyota Sienna

Installation Notes and Tips

Verify hose diameter, cooler line routing, and mounting points against the original radiator before installation. Inspect the cooling fan assembly, radiator cap, hoses, and coolant condition during replacement to help complete the repair correctly. This radiator is listed for 2004-2005 Toyota Sienna, N/A, so confirm vehicle configuration before ordering. Part number A2682 should be matched to the existing application details on the vehicle.

Quality Assurance

Koyorad positions this radiator as an OE-equivalent replacement built from application-specific engineering and manufacturing experience. The A2682 is intended to meet the cooling-system requirements of the listed Toyota Sienna fitment.

This part fits 2 vehicles
Always verify fitment with your vehicle's VIN if unsure. Submodel & trim restrictions may apply.
YearMakeModelLitersCylindersPositionNotes
2005ToyotaSienna3.3LV6N/A—
2004ToyotaSienna3.3LV6N/A—