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Denso 221-9325 Radiator
Overview of the Denso Radiator 221-9325 for Mercedes-Benz AMG Models
The Denso radiator part number 221-9325 is engineered specifically for high-performance Mercedes-Benz AMG vehicles. Designed to maintain optimal engine temperature, this radiator supports models including the C63 AMG, CLS63 AMG, E63 AMG, SL63 AMG, SL65 AMG, SLK55 AMG, and SLS AMG.
- Core Height: 25.2 inches
- Core Width: 18.15 inches
- Core Thickness: 1.34 inches
- Inlet Diameter: 2.01 inches
- Outlet Diameter: 2.01 inches
- Transmission Oil Cooler: Not included
Technical Specifications and Design Details
This Denso radiator features a core height of 25.2 inches and a width of 18.15 inches, providing a substantial surface area for efficient heat dissipation. The core thickness of 1.34 inches ensures durability while maintaining effective coolant flow. Both the inlet and outlet diameters measure 2.01 inches, matching OEM specifications for seamless integration with the vehicle’s cooling system. Note that this radiator does not include a transmission oil cooler, so it is intended for applications where a separate cooler is used or not required.
Compatible Mercedes-Benz AMG Models
This radiator is compatible with a range of Mercedes-Benz AMG models, including the C63 AMG, CLS63 AMG, CLS63 AMG S, E63 AMG, E63 AMG S, SL63 AMG, SL65 AMG, SLK55 AMG, and SLS AMG. It is designed to meet the cooling demands of these high-performance vehicles, ensuring reliable operation under demanding conditions.
Common Issues Addressed by the Denso Radiator 221-9325
- Engine overheating due to radiator core damage or clogging
- Coolant leaks from cracked or corroded radiator components
- Reduced cooling efficiency impacting engine performance
- Failure of OEM radiator causing temperature regulation problems
- Replacement for worn or damaged radiator in Mercedes-Benz AMG models
Installation Notes and Tips
When installing the Denso radiator 221-9325, ensure all hose connections match the 2.01-inch inlet and outlet diameters for proper fitment. Verify compatibility with your specific Mercedes-Benz AMG model year and engine configuration. It is recommended to inspect and replace coolant hoses and clamps during installation to prevent leaks. Proper bleeding of the cooling system after installation is essential to avoid air pockets and ensure optimal performance.
Quality Assurance and Warranty Information
Denso radiators are manufactured to meet strict OEM standards for fit, form, and function. While specific warranty details for part number 221-9325 should be confirmed at the point of purchase, Denso products typically come with a limited warranty covering defects in materials and workmanship. This radiator is designed to provide reliable cooling performance consistent with Mercedes-Benz AMG vehicle requirements.
| Brand | Denso |
| Part Number | 221-9325 |
| Core Height | 25.2000 |
| Core Thickness | 1.3400 |
| Core Width | 18.1500 |
| Transmission Oil Cooler Included | No |
| Inlet Diameter | 2.0100 |
| Outlet Diameter | 2.0100 |
This part fits 44 vehicles. Search below:
| Year | Make | Model | Position | Notes |
|---|---|---|---|---|
| 2019 | Mercedes-Benz | SL63 AMG | N/A | Primary (Engine Cooling) |
| 2018 | Mercedes-Benz | CLS63 AMG S | N/A | |
| 2018 | Mercedes-Benz | SL63 AMG | N/A | Primary (Engine Cooling) |
| 2018 | Mercedes-Benz | SL65 AMG | N/A | Primary (Engine Cooling) |
| 2017 | Mercedes-Benz | CLS63 AMG S | N/A | Primary(Engine Cooling) |
| 2017 | Mercedes-Benz | SL63 AMG | N/A | Primary (Engine Cooling) |
| 2017 | Mercedes-Benz | SL65 AMG | N/A | Primary (Engine Cooling) |
| 2016 | Mercedes-Benz | CLS63 AMG S | N/A | Primary(Engine Cooling) |
| 2016 | Mercedes-Benz | E63 AMG S | N/A | Primary (Engine Cooling) |
| 2016 | Mercedes-Benz | SL63 AMG | N/A | Primary (Engine Cooling) |
| 2016 | Mercedes-Benz | SL65 AMG | N/A | Primary (Engine Cooling) |
| 2016 | Mercedes-Benz | SLK55 AMG | N/A | |
| 2015 | Mercedes-Benz | C63 AMG | N/A | |
| 2015 | Mercedes-Benz | CLS63 AMG S | N/A | Primary(Engine Cooling) |
| 2015 | Mercedes-Benz | E63 AMG | N/A | Primary (Engine Cooling) |
| 2015 | Mercedes-Benz | E63 AMG S | N/A | Primary (Engine Cooling) |
| 2015 | Mercedes-Benz | SL63 AMG | N/A | Primary (Engine Cooling) |
| 2015 | Mercedes-Benz | SL65 AMG | N/A | Primary (Engine Cooling) |
| 2015 | Mercedes-Benz | SLK55 AMG | N/A | |
| 2015 | Mercedes-Benz | SLS AMG | N/A | Primary (Engine Cooling) |
| 2014 | Mercedes-Benz | C63 AMG | N/A | |
| 2014 | Mercedes-Benz | CLS63 AMG | N/A | Primary(Engine Cooling) |
| 2014 | Mercedes-Benz | CLS63 AMG S | N/A | Primary(Engine Cooling) |
| 2014 | Mercedes-Benz | E63 AMG | N/A | Primary(Engine Cooling) |
| 2014 | Mercedes-Benz | E63 AMG S | N/A | Primary (Engine Cooling) |
| 2014 | Mercedes-Benz | SL63 AMG | N/A | Primary(Engine Cooling) |
| 2014 | Mercedes-Benz | SL65 AMG | N/A | Primary(Engine Cooling) |
| 2014 | Mercedes-Benz | SLK55 AMG | N/A | |
| 2014 | Mercedes-Benz | SLS AMG | N/A | |
| 2013 | Mercedes-Benz | C63 AMG | N/A | |
| 2013 | Mercedes-Benz | CLS63 AMG | N/A | Primary(Engine Cooling) |
| 2013 | Mercedes-Benz | E63 AMG | N/A | Primary(Engine Cooling) |
| 2013 | Mercedes-Benz | SL63 AMG | N/A | Primary(Engine Cooling) |
| 2013 | Mercedes-Benz | SL65 AMG | N/A | Primary(Engine Cooling) |
| 2013 | Mercedes-Benz | SLK55 AMG | N/A | |
| 2013 | Mercedes-Benz | SLS AMG | N/A | |
| 2012 | Mercedes-Benz | C63 AMG | N/A | |
| 2012 | Mercedes-Benz | CLS63 AMG | N/A | Primary(Engine Cooling) |
| 2012 | Mercedes-Benz | E63 AMG | N/A | Primary(Engine Cooling) |
| 2012 | Mercedes-Benz | SLK55 AMG | N/A | |
| 2012 | Mercedes-Benz | SLS AMG | N/A | |
| 2011 | Mercedes-Benz | E63 AMG | N/A | |
| 2011 | Mercedes-Benz | SLS AMG | N/A | |
| 2010 | Mercedes-Benz | E63 AMG | 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.