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Denso 221-3206 Radiator
Overview of the Denso Radiator 221-3206 for Honda Civic Models
The Denso radiator part number 221-3206 is designed specifically for Honda Civic and Civic del Sol vehicles. This radiator includes a transmission oil cooler, making it a comprehensive cooling solution for your vehicle's engine and transmission system.
- Core Height: 13.75 inches
- Core Width: 13.813 inches
- Core Thickness: 1.0 inch
- Inlet Diameter: 1.125 inches
- Outlet Diameter: 1.125 inches
- Includes Transmission Oil Cooler
Detailed Product Description and Specifications
The Denso 221-3206 radiator features a core height of 13.75 inches and a core width of 13.813 inches, providing an optimal surface area for efficient heat dissipation. With a core thickness of 1 inch, this radiator balances durability and cooling capacity. Both the inlet and outlet diameters measure 1.125 inches, ensuring proper coolant flow and compatibility with the Honda Civic and Civic del Sol cooling systems. The integrated transmission oil cooler supports transmission fluid temperature regulation, which is essential for maintaining transmission performance and longevity.
Compatible Vehicles and Common Applications
This radiator is compatible with the following Honda models:
- Honda Civic
- Honda Civic del Sol
It is designed to replace original equipment radiators that require the same core dimensions and inlet/outlet sizes, including the transmission oil cooler feature.
Common Issues Addressed by the Denso Radiator 221-3206
- Engine overheating due to radiator core damage or clogging
- Transmission fluid overheating caused by a faulty or missing transmission oil cooler
- Coolant leaks from worn or cracked radiator cores
- Reduced cooling efficiency from corrosion or buildup inside the radiator
- Incompatible radiator dimensions causing poor fit or coolant flow restrictions
Installation Notes and Tips
- Ensure the radiator core dimensions and inlet/outlet diameters match your vehicle’s specifications before installation
- Drain coolant and transmission fluid properly before removing the old radiator
- Inspect hoses and clamps for wear and replace if necessary to prevent leaks
- Bleed the cooling system after installation to remove air pockets
- Check for proper transmission fluid levels and leaks after installation
Quality Assurance and Warranty Information
Denso radiators are manufactured to meet or exceed OEM standards for fit, form, and function. The 221-3206 radiator undergoes rigorous quality control to ensure durability and reliable cooling performance. While specific warranty terms may vary, Denso typically offers a limited warranty covering defects in materials and workmanship. Consult the product documentation or supplier for exact warranty details.
| Brand | Denso |
| Part Number | 221-3206 |
| Core Height | 13.7500 |
| Core Thickness | 1.0000 |
| Core Width | 13.8130 |
| Inlet Diameter | 1.1250 |
| Outlet Diameter | 1.1250 |
| Transmission Oil Cooler Included | YES |
This part fits 9 vehicles. Search below:
| Year | Make | Model | Transmission | Position | Notes |
|---|---|---|---|---|---|
| 1997 | Honda | Civic del Sol | Automatic | N/A | w/ DENSO Radiator |
| 1996 | Honda | Civic del Sol | Automatic | N/A | w/ DENSO Radiator |
| 1995 | Honda | Civic | Automatic | N/A | w/ DENSO Radiator |
| 1995 | Honda | Civic del Sol | Automatic | N/A | w/ DENSO Radiator |
| 1994 | Honda | Civic | Automatic | N/A | w/ DENSO Radiator |
| 1994 | Honda | Civic del Sol | Automatic | N/A | w/ DENSO Radiator |
| 1993 | Honda | Civic | Automatic | N/A | w/ DENSO Radiator |
| 1993 | Honda | Civic del Sol | Automatic | N/A | w/ DENSO Radiator |
| 1992 | Honda | Civic | Automatic | N/A | w/ DENSO Radiator |
* 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.