OE Quality
60-Day Returns

Denso 221-4102 Radiator
Overview of the Denso Radiator for Toyota T100
The Denso 221-4102 radiator is designed specifically for the Toyota T100, providing reliable cooling performance. This radiator includes a transmission oil cooler, making it a comprehensive solution for maintaining optimal engine and transmission temperatures.
- Core Height: 17.8120 inches
- Core Thickness: 1.2500 inches
- Core Width: 27.0620 inches
- Transmission Oil Cooler Included
- Inlet Diameter: 1.3750 inches
- Outlet Diameter: 1.3750 inches
Detailed Product Description
The Denso 221-4102 radiator features a core measuring 17.8120 inches in height, 27.0620 inches in width, and 1.2500 inches in thickness, ensuring efficient heat dissipation for the Toyota T100. The inclusion of a transmission oil cooler supports the vehicle’s transmission system by helping regulate fluid temperature, which is critical for transmission longevity and performance. Both the inlet and outlet diameters are 1.3750 inches, matching OEM specifications for proper fit and fluid flow.
Compatible Vehicles and Applications
This radiator is compatible with Toyota T100 models, engineered to meet the cooling demands of this specific vehicle. It is suitable for addressing common cooling system issues such as:
- Engine overheating due to radiator core damage or clogging
- Transmission fluid overheating affecting shifting performance
- Leaks or cracks in the radiator core or tanks
- Reduced cooling efficiency from worn or damaged components
- Corrosion or buildup restricting coolant flow
Installation Notes and Tips
When installing the Denso 221-4102 radiator on a Toyota T100, ensure all hose connections match the 1.3750-inch inlet and outlet diameters for a secure fit. Verify that the transmission oil cooler lines are properly connected to maintain transmission fluid cooling. It is recommended to flush the cooling system before installation to remove any debris and ensure optimal performance.
Quality Assurance and Warranty
Denso radiators are manufactured to meet strict quality standards, ensuring durability and reliable performance. The 221-4102 radiator is built to OEM specifications for the Toyota T100. Please refer to Denso’s warranty policy for specific coverage details.
| Brand | Denso |
| Part Number | 221-4102 |
| Core Height | 17.8120 |
| Core Thickness | 1.2500 |
| Core Width | 27.0620 |
| Transmission Oil Cooler Included | Yes |
| Inlet Diameter | 1.3750 |
| Outlet Diameter | 1.3750 |
This part fits 6 vehicles. Search below:
| Year | Make | Model | Transmission | Position | Notes |
|---|---|---|---|---|---|
| 1998 | Toyota | T100 | Automatic | N/A | |
| 1997 | Toyota | T100 | Automatic | N/A | |
| 1996 | Toyota | T100 | Automatic | N/A | |
| 1995 | Toyota | T100 | Automatic | N/A | |
| 1994 | Toyota | T100 | Automatic | N/A | |
| 1993 | Toyota | T100 | 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.