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Denso 221-0517 Radiator
| Brand | Denso 221-0517 |
|---|---|
| Core Height | 22.7500 |
| Core Thickness | 1.2500 |
| Core Width | 27.1870 |
| Inlet Diameter | 1.5620 |
| Outlet Diameter | 1.5620 |
| Transmission Oil Cooler Included | YES |
| Fits | Toyota · 6 vehicles |
OE experience. Built to meet strict OE standards for fit, performance, and reliability.
Radiator performance. Helps maintain proper engine cooling and function under demanding conditions.
Transmission oil cooler included. Adds integrated cooling support in one radiator assembly.
Cross-references APDI 8012321, CSF 3237 and DPI Performance Racing Products 2321 for the same application. See all 11.
Denso 221-0517 Radiator for Toyota Tundra
The Denso 221-0517 radiator is built for Toyota Tundra cooling-system service with OE-style fitment and construction. It is engineered to match factory radiator dimensions and cooling requirements for 2000-2003 and 2005-2006 Toyota Tundra applications.
Key Features
- Core height: 22.7500 in.
- Core width: 27.1870 in.
- Core thickness: 1.2500 in.
- Inlet diameter: 1.5620 in.
- Outlet diameter: 1.5620 in.
- Transmission oil cooler included
- OE-focused radiator design from Denso
Detailed Description
Denso part number 221-0517 is a direct-fit radiator for select Toyota Tundra trucks. Denso supplies radiators to vehicle manufacturers worldwide, and this unit reflects that OE experience through controlled core dimensions, tank design, fin pitch, and material selection. The result is a radiator built to support stable engine temperature control and consistent cooling-system performance in daily driving and demanding conditions. This radiator cross-references Toyota 16400-0F020 for the same application.
For buyers searching for a Toyota Tundra radiator, Denso 221-0517 offers the fitment and cooling capacity expected for 2000-2003 Toyota Tundra and 2005-2006 Toyota Tundra models. The integrated transmission oil cooler adds an important cooling path for automatic-transmission-equipped vehicles, helping maintain fluid temperature within the system’s operating range.
What This Radiator Helps Address
- Overheating caused by a leaking or restricted radiator
- Coolant loss from cracked tanks or aged radiator materials
- Transmission fluid heat buildup in vehicles with an integrated cooler
- Reduced cooling efficiency from worn factory radiator components
- Temperature instability during towing, stop-and-go traffic, or heavy use
Installation Notes and Tips
Verify radiator dimensions, inlet and outlet size, and transmission cooler routing before installation. Flush the cooling system, inspect hoses and clamps, and replace degraded coolant as part of the repair. Confirm fitment against the vehicle’s year and model before ordering, especially for Toyota Tundra applications with factory transmission cooling.
Quality Assurance
Denso designs this radiator to OE standards and subjects it to durability and function testing before release. That manufacturing approach supports reliable fitment and consistent cooling performance for Toyota Tundra service work.
| Year | Make | Model | Body Type | Position | Notes |
|---|---|---|---|---|---|
| 2006 | Toyota | Tundra | Standard Cab Pickup | N/A | — |
| 2005 | Toyota | Tundra | Standard Cab Pickup | N/A | — |
| 2003 | Toyota | Tundra | — | N/A | — |
| 2002 | Toyota | Tundra | — | N/A | — |
| 2001 | Toyota | Tundra | — | N/A | — |
| 2000 | Toyota | Tundra | — | N/A | — |
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