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Denso 221-3175 Radiator
Overview of Denso Radiator for Lexus SC430
The Denso radiator part number 221-3175 is engineered specifically for the Lexus SC430, providing reliable cooling performance. Designed with precise core dimensions and integrated transmission oil cooler, this radiator supports optimal engine temperature management.
- Core Height: 15.75 inches
- Core Width: 29.437 inches
- Core Thickness: 1.0 inch
- Inlet Diameter: 1.562 inches
- Outlet Diameter: 1.562 inches
- Includes Transmission Oil Cooler
Detailed Radiator Specifications and Features
This Denso radiator (part number 221-3175) features a core height of 15.75 inches and a width of 29.437 inches, providing a substantial surface area for heat dissipation. The 1-inch core thickness balances efficient cooling with compact design. Both the inlet and outlet diameters measure 1.562 inches, ensuring compatibility with the Lexus SC430’s cooling system hoses. The integrated transmission oil cooler enhances the radiator’s functionality by helping maintain transmission fluid temperature, which is critical for transmission longevity and performance.
Compatible Vehicles and Application
This radiator is compatible with the Lexus SC430 model, designed to meet the specific cooling requirements of this vehicle. Using the Denso 221-3175 radiator ensures proper fitment and performance for Lexus SC430 owners seeking a direct replacement radiator with transmission oil cooler integration.
- Overheating issues due to radiator core damage or clogging
- Transmission fluid overheating affecting transmission performance
- Leaks or cracks in the existing radiator
- Reduced cooling efficiency from worn or corroded radiator components
Installation Notes and Tips
When installing the Denso radiator 221-3175 on a Lexus SC430, ensure all hose connections match the 1.562-inch inlet and outlet diameters for a secure fit. Properly flush the cooling system before installation to remove debris and contaminants. Verify the transmission oil cooler lines are correctly connected to maintain transmission cooling functionality. It is recommended to inspect and replace related components such as radiator hoses and clamps during installation to prevent future leaks.
Quality Assurance and Warranty
Denso radiators are manufactured to meet OEM specifications, ensuring durability and reliable performance. The 221-3175 radiator undergoes rigorous quality control to maintain consistent cooling efficiency. Warranty coverage details should be confirmed with the point of purchase, as Denso typically offers limited warranties covering defects in materials and workmanship.
| Brand | Denso |
| Part Number | 221-3175 |
| Core Height | 15.7500 |
| Core Thickness | 1.0000 |
| Core Width | 29.4370 |
| Inlet Diameter | 1.5620 |
| Outlet Diameter | 1.5620 |
| Transmission Oil Cooler Included | YES |
This part fits 9 vehicles. Search below:
| Year | Make | Model | Position | Notes |
|---|---|---|---|---|
| 2010 | Lexus | SC430 | N/A | |
| 2009 | Lexus | SC430 | N/A | |
| 2008 | Lexus | SC430 | N/A | |
| 2007 | Lexus | SC430 | N/A | |
| 2006 | Lexus | SC430 | N/A | |
| 2005 | Lexus | SC430 | N/A | |
| 2004 | Lexus | SC430 | N/A | |
| 2003 | Lexus | SC430 | N/A | |
| 2002 | Lexus | SC430 | 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.