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Denso 221-0511 Radiator
| Brand | Denso 221-0511 |
|---|---|
| Core Height | 17.6870 |
| Core Thickness | 1.0600 |
| Core Width | 29.0000 |
| Transmission Oil Cooler Included | Yes |
| Inlet Diameter | 0.9370 |
| Outlet Diameter | 0.9370 |
| Fits | Toyota · 7 vehicles |
OE experience. Built to meet strict OE standards for fit, performance, and reliability.
Radiator performance. Helps maintain proper engine cooling and function.
Transmission oil cooler included. Adds integrated cooling support in one assembly.
Cross-references APDI 8012377, CSF 3315 and CSF 3473 for the same application. See all 14.
Denso 221-0511 Radiator for Highlander
The Denso 221-0511 radiator is built for 2001-2007 Toyota Highlander models with the tow package. It is an OE-style cooling replacement that matches factory dimensions and includes an integrated transmission oil cooler for proper heat management.
Key Features
- Core height: 17.6870 in.
- Core width: 29.0000 in.
- Core thickness: 1.0600 in.
- Inlet diameter: 0.9370 in.
- Outlet diameter: 0.9370 in.
- Transmission oil cooler included
- Built to OE configuration standards for fitment and cooling performance
Detailed Description
Denso part number 221-0511 is a direct-fit radiator engineered for the Toyota Highlander cooling system. Denso supplies radiators to OE vehicle manufacturers worldwide, and this radiator reflects that experience through factory-matched tank design, fin pitch, core dimensions, and material selection. For drivers searching for a radiator for 2001-2007 Toyota Highlander with tow package, this unit is designed to maintain proper engine temperature and support transmission fluid cooling through the built-in cooler.
This part cross-references Spectra Premium CU2377 and Toyota 16400-20240 for the same application.
What This Radiator Helps Address
- Overheating caused by a leaking or restricted radiator
- Loss of coolant efficiency from damaged core tubes or tanks
- Transmission heat buildup when the factory cooler is no longer performing correctly
- Fitment issues from non-OE replacement dimensions
- Cooling system service needs on a Toyota Highlander radiator replacement
Installation Notes and Tips
Fits 2001-2007 Toyota Highlander, N/A, with tow package. Confirm inlet and outlet hose sizes before installation and inspect related cooling system components, including hoses, clamps, and coolant condition. Flush the system if contamination or debris is present, and verify proper coolant fill and air bleeding after installation.
Quality Assurance
Denso radiators are manufactured to OE-level standards and undergo durability and function testing before release. The 221-0511 is built to deliver consistent cooling performance and reliable fitment for demanding driving conditions.
| Year | Make | Model | Fuel Type | Position | Notes |
|---|---|---|---|---|---|
| 2007 | Toyota | Highlander | GAS | N/A | w/ Tow Package |
| 2006 | Toyota | Highlander | GAS | N/A | w/ Tow Package |
| 2005 | Toyota | Highlander | — | N/A | w/ Tow Package |
| 2004 | Toyota | Highlander | — | N/A | w/ Tow Package |
| 2003 | Toyota | Highlander | — | N/A | w/ Tow Package |
| 2002 | Toyota | Highlander | — | N/A | w/ Tow Package |
| 2001 | Toyota | Highlander | — | N/A | w/ Tow Package |
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