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Denso 221-3250 Radiator
| Brand | Denso 221-3250 |
|---|---|
| Core Height | 14.7500 |
| Core Thickness | 0.6250 |
| Core Width | 26.3750 |
| Inlet Diameter | 1.2500 |
| Outlet Diameter | 1.2500 |
| Transmission Oil Cooler Included | YES |
| Fits | Honda · 6 vehicles |
OE experience. Built to meet strict OE standards for reliable fit and performance.
Durability tested. Passes rigorous function checks for dependable cooling under demanding conditions.
Transmission oil cooler included. Adds integrated cooling support in one radiator assembly.
Cross-references APDI 8012923, CSF 3282 and DPI Performance Racing Products 2923 for the same application. See all 12.
Denso 221-3250 Radiator for Honda Civic
The Denso 221-3250 radiator is built for 2006-2011 Honda Civic applications and follows OE-style specifications for fitment and cooling performance. It includes an integrated transmission oil cooler and uses core dimensions that match the vehicle’s cooling requirements.
Key Features
- Fits 2006-2011 Honda Civic
- Part number: 221-3250
- Transmission oil cooler included
- Core height: 14.7500 in.
- Core width: 26.3750 in.
- Core thickness: 0.6250 in.
- Inlet diameter: 1.2500 in.
- Outlet diameter: 1.2500 in.
- OE-focused radiator construction from Denso
Detailed Description
Denso radiator 221-3250 is engineered for direct replacement use on the 2006-2011 Honda Civic. Denso supplies radiators to original equipment vehicle manufacturers worldwide, and this unit reflects that OE experience through its tank design, fin pitch, core dimensions, and material selection. The result is a radiator built to match factory cooling system requirements and maintain stable engine temperature under everyday driving and demanding conditions.
This radiator cross-references Honda 19010-RNA-A01 and 19010-RNA-A51 for the same application. If you are replacing a worn or leaking radiator on a Honda Civic, this part number 221-3250 provides a fitment-specific solution for the listed model years.
What This Radiator Helps Address
- Coolant leaks from a damaged or corroded radiator
- Overheating caused by restricted or inefficient heat transfer
- Transmission cooling concerns when the factory cooler circuit is part of the system
- Fitment issues from using a radiator not matched to the Civic’s dimensions
- Reduced cooling performance from aging internal cores or tanks
Installation Notes and Tips
Confirm the inlet and outlet sizes, core dimensions, and transmission cooler connections before installation. Flush the cooling system, inspect hoses and clamps, and verify that the radiator mounts and fan shroud alignment match the vehicle before filling with the correct coolant. Fits 2006-2011 Honda Civic, N/A.
Quality Assurance
Denso designs this radiator using OE manufacturing knowledge and subjects it to durability and function testing before release. That process helps ensure consistent fitment and dependable cooling performance for the listed Honda Civic applications.
| Year | Make | Model | Position | Notes |
|---|---|---|---|---|
| 2011 | Honda | Civic | N/A | — |
| 2010 | Honda | Civic | N/A | — |
| 2009 | Honda | Civic | N/A | — |
| 2008 | Honda | Civic | N/A | — |
| 2007 | Honda | Civic | N/A | — |
| 2006 | Honda | Civic | N/A | — |
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