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Koyorad A2320 Radiator
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.
| Brand | Koyorad |
| Part Number | A2320 |
| Core Height | 21.625 |
| Core Material | Aluminum |
| Core Row Quantity | 2 |
| Core Thickness | 1.4375 |
| Core Width | 28.3125 |
| Inlet Diameter | 1.3125 |
| Internal Transmission Oil Cooler | Yes |
| Outlet Diameter | 1.5 |
| Tank Material | Plastic |
| Title | Koyorad a2320 radiator |
| Transmission Oil Cooler Diameter | 1.375 |
| Transmission Oil Cooler Included | Yes |
This part fits 7 vehicles. Search below:
| Year | Make | Model | Liters | Cylinders | Position | Notes |
|---|---|---|---|---|---|---|
| 2006 | Toyota | Tundra | 4.0L | V6 | N/A | |
| 2005 | Toyota | Tundra | 4.0L | V6 | N/A | |
| 2004 | Toyota | Tundra | 3.4L | V6 | N/A | |
| 2003 | Toyota | Tundra | 3.4L | V6 | N/A | |
| 2002 | Toyota | Tundra | 3.4L | V6 | N/A | |
| 2001 | Toyota | Tundra | 3.4L | V6 | N/A | |
| 2000 | Toyota | Tundra | 3.4L | V6 | N/A |
* Always verify fitment with your vehicle's VIN if unsure. Submodel & trim restrictions may apply.