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Denso 221-3169 Radiator
| Brand | Denso 221-3169 |
|---|---|
| Core Height | 14.7500 |
| Core Thickness | 0.6250 |
| Core Width | 27.9370 |
| Inlet Diameter | 1.5000 |
| Outlet Diameter | 1.5000 |
| Transmission Oil Cooler Included | NO |
| Fits | Lexus · 20 vehicles |
OE experience. Built with OE-level know-how for reliable performance and fit.
Strictly tested. Passes durability and function tests for dependable cooling.
Radiator performance. Helps maintain proper engine cooling and function.
Cross-references APDI 8012968, CSF 3295 and DPI Performance Racing Products 2968 for the same application. See all 9.
Denso Radiator for Lexus IS350 and IS250
The Denso 221-3169 radiator is built for direct-fit cooling performance in select Lexus applications. It is engineered to match OE-style dimensions and materials, with core sizing and tank configuration that support proper engine temperature control in daily driving and demanding conditions.
- Core height: 14.7500 in.
- Core width: 27.9370 in.
- Core thickness: 0.6250 in.
- Inlet diameter: 1.5000 in.
- Outlet diameter: 1.5000 in.
- No transmission oil cooler included
- OE-focused radiator design from Denso
OE-Style Cooling Performance
Denso uses OE supplier experience to build radiators that follow strict fitment and durability standards. The 221-3169 radiator is made for 2006-2015 Lexus IS350 and 2006-2013 Lexus IS250 applications, with dimensions and construction intended to support consistent coolant flow and heat rejection. If you are replacing a leaking or restricted radiator on a Lexus IS350 or Lexus IS250, this part number 221-3169 provides a direct replacement path.
This part cross-references Lexus (e.g., 16400-31440) for the same application.
Common Reasons to Replace the Radiator
- Coolant leaks from a cracked or corroded radiator
- Engine temperature running higher than normal
- Restricted coolant flow from internal buildup
- Damaged inlet or outlet connections
- Cooling system service on a Lexus IS350 or Lexus IS250
Installation Notes and Tips
Verify core dimensions, inlet and outlet size, and transmission cooler requirements before installation. This radiator does not include a transmission oil cooler, so confirm your vehicle’s cooling system configuration matches the part. Replace coolant with the correct specification, inspect hoses and clamps, and bleed air from the system after installation to help restore stable operating temperature.
Quality Assurance
Denso radiators are built to OE standards and undergo durability and function testing before release. That manufacturing approach supports reliable fitment and cooling performance for Lexus IS350 and Lexus IS250 radiator replacement applications.
| Year | Make | Model | Submodel | Position | Notes |
|---|---|---|---|---|---|
| 2015 | Lexus | IS350 | C | N/A | — |
| 2015 | Lexus | IS350 | C F Sport | N/A | — |
| 2014 | Lexus | IS350 | C | N/A | — |
| 2014 | Lexus | IS350 | C F Sport | N/A | — |
| 2013 | Lexus | IS250 | — | N/A | — |
| 2013 | Lexus | IS350 | — | N/A | — |
| 2012 | Lexus | IS250 | — | N/A | — |
| 2012 | Lexus | IS350 | — | N/A | — |
| 2011 | Lexus | IS250 | — | N/A | — |
| 2011 | Lexus | IS350 | — | N/A | — |
| 2010 | Lexus | IS250 | — | N/A | — |
| 2010 | Lexus | IS350 | — | N/A | — |
| 2009 | Lexus | IS250 | — | N/A | — |
| 2009 | Lexus | IS350 | — | N/A | — |
| 2008 | Lexus | IS250 | — | N/A | — |
| 2008 | Lexus | IS350 | — | N/A | — |
| 2007 | Lexus | IS250 | — | N/A | — |
| 2007 | Lexus | IS350 | — | N/A | — |
| 2006 | Lexus | IS250 | — | N/A | — |
| 2006 | Lexus | IS350 | — | N/A | — |
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