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Denso 221-3138 Radiator
Overview of the Denso Radiator for Toyota Tacoma
The Denso 221-3138 radiator is engineered specifically for Toyota Tacoma models, providing reliable cooling performance. Designed with precise core dimensions and integrated transmission oil cooler, this radiator supports efficient engine temperature management.
- Core Height: 22.75 inches
- Core Width: 24.625 inches
- Core Thickness: 1.25 inches
- Inlet Diameter: 0.937 inches
- Outlet Diameter: 0.937 inches
- Includes Transmission Oil Cooler
Detailed Radiator Specifications and Features
This Denso radiator, part number 221-3138, features a robust core measuring 22.75 inches in height, 24.625 inches in width, and 1.25 inches in thickness. The matching inlet and outlet diameters of 0.937 inches ensure compatibility with the Toyota Tacoma's cooling system plumbing. The inclusion of a transmission oil cooler enhances the radiator’s functionality by providing additional cooling for the transmission fluid, which is critical for maintaining optimal transmission performance and longevity.
Compatible Vehicles and Application
This radiator is compatible with Toyota Tacoma models, making it a suitable replacement part for maintaining the vehicle’s cooling system integrity. It is designed to address common cooling system issues such as:
- Engine overheating due to radiator core damage or clogging
- Transmission fluid overheating from lack of integrated cooling
- Leaks or cracks in the radiator core or tanks
- Reduced cooling efficiency from worn or damaged radiator components
Installation Notes and Tips
When installing the Denso 221-3138 radiator on a Toyota Tacoma, ensure all hose connections match the 0.937-inch inlet and outlet diameters for a secure fit. Properly flush the cooling system before installation to prevent contamination. Verify the transmission oil cooler lines are correctly connected to maintain transmission cooling functionality. It is recommended to inspect all mounting points and replace any worn hardware during installation.
Quality Assurance and Warranty Information
Denso radiators are manufactured to meet OEM specifications, ensuring durability and reliable performance. The 221-3138 radiator undergoes rigorous quality control testing to verify core integrity and cooling efficiency. While specific warranty details may vary, Denso typically offers coverage against manufacturing defects, providing confidence in the product’s longevity and function.
| Brand | Denso |
| Part Number | 221-3138 |
| Core Height | 22.7500 |
| Core Thickness | 1.2500 |
| Core Width | 24.6250 |
| Inlet Diameter | 0.9370 |
| Outlet Diameter | 0.9370 |
| Transmission Oil Cooler Included | YES |
This part fits 32 vehicles. Search below:
| Year | Make | Model | Submodel | # Doors | Drive Type | Transmission | Position | Notes |
|---|---|---|---|---|---|---|---|---|
| 2004 | Toyota | Tacoma | 4WD | Automatic | N/A | |||
| 2004 | Toyota | Tacoma | 4 Door | RWD | N/A | |||
| 2003 | Toyota | Tacoma | DLX | 4WD | Automatic | N/A | w/ 22 3/4 CORE | |
| 2003 | Toyota | Tacoma | Base | 4WD | Automatic | N/A | w/ 22 3/4 CORE | |
| 2002 | Toyota | Tacoma | DLX | 4WD | Automatic | N/A | w/ 22 3/4 CORE | |
| 2002 | Toyota | Tacoma | Base | 4WD | Automatic | N/A | w/ 22 3/4 CORE | |
| 2001 | Toyota | Tacoma | DLX | 4WD | Automatic | N/A | w/ 22 3/4 CORE | |
| 2001 | Toyota | Tacoma | Base | 4WD | Automatic | N/A | w/ 22 3/4 CORE | |
| 2000 | Toyota | Tacoma | SR5 | 4WD | Automatic | N/A | w/ 22 3/4 CORE | |
| 2000 | Toyota | Tacoma | Limited | 4WD | Automatic | N/A | w/ 22 3/4 CORE | |
| 2000 | Toyota | Tacoma | DLX | 4WD | Automatic | N/A | w/ 22 3/4 CORE | |
| 2000 | Toyota | Tacoma | Base | 4WD | Automatic | N/A | w/ 22 3/4 CORE | |
| 2000 | Toyota | Tacoma | RWD | N/A | ||||
| 2000 | Toyota | Tacoma | 4WD | Automatic | N/A | |||
| 1999 | Toyota | Tacoma | SR5 | 4WD | Automatic | N/A | w/ 22 3/4 CORE | |
| 1999 | Toyota | Tacoma | Limited | 4WD | Automatic | N/A | w/ 22 3/4 CORE | |
| 1999 | Toyota | Tacoma | DLX | 4WD | Automatic | N/A | w/ 22 3/4 CORE | |
| 1999 | Toyota | Tacoma | Base | 4WD | Automatic | N/A | w/ 22 3/4 CORE | |
| 1999 | Toyota | Tacoma | RWD | N/A | ||||
| 1999 | Toyota | Tacoma | 4WD | Automatic | N/A | |||
| 1998 | Toyota | Tacoma | SR5 | 4WD | Automatic | N/A | w/ 22 3/4 CORE | |
| 1998 | Toyota | Tacoma | Limited | 4WD | Automatic | N/A | w/ 22 3/4 CORE | |
| 1998 | Toyota | Tacoma | DLX | 4WD | Automatic | N/A | w/ 22 3/4 CORE | |
| 1998 | Toyota | Tacoma | Base | 4WD | Automatic | N/A | w/ 22 3/4 CORE | |
| 1998 | Toyota | Tacoma | RWD | N/A | ||||
| 1998 | Toyota | Tacoma | 4WD | Automatic | N/A | |||
| 1997 | Toyota | Tacoma | 4WD | Automatic | N/A | |||
| 1997 | Toyota | Tacoma | RWD | N/A | ||||
| 1996 | Toyota | Tacoma | 4WD | Automatic | N/A | |||
| 1996 | Toyota | Tacoma | RWD | N/A | ||||
| 1995 | Toyota | Tacoma | RWD | N/A | ||||
| 1995 | Toyota | Tacoma | 4WD | Automatic | N/A |
* Always verify fitment with your vehicle's VIN if unsure. Submodel & trim restrictions may apply.
This part directly replaces or is cross-referenced with the following part numbers:
Cross-reference numbers are provided for identification purposes only. Always confirm fitment before ordering.