Part #: 221-9325

Denso 221-9325 Radiator

⚙️ 44 vehicles fit this part
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OE Direct Replacement — Bolt-on fit, no modifications needed
🚗Fitment: Mercedes-Benz, C63 AMG, CLS63 AMG, CLS63 AMG S, E63 AMG, E63 AMG S, SL63 AMG, SL65 AMG, SLK55 AMG, and SLS AMG
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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.

BrandDenso
Part Number221-9325
Core Height25.2000
Core Thickness1.3400
Core Width18.1500
Transmission Oil Cooler IncludedNo
Inlet Diameter2.0100
Outlet Diameter2.0100

This part fits 44 vehicles. Search below:

YearMakeModelPositionNotes
2019Mercedes-BenzSL63 AMGN/APrimary (Engine Cooling)
2018Mercedes-BenzCLS63 AMG SN/A
2018Mercedes-BenzSL63 AMGN/APrimary (Engine Cooling)
2018Mercedes-BenzSL65 AMGN/APrimary (Engine Cooling)
2017Mercedes-BenzCLS63 AMG SN/APrimary(Engine Cooling)
2017Mercedes-BenzSL63 AMGN/APrimary (Engine Cooling)
2017Mercedes-BenzSL65 AMGN/APrimary (Engine Cooling)
2016Mercedes-BenzCLS63 AMG SN/APrimary(Engine Cooling)
2016Mercedes-BenzE63 AMG SN/APrimary (Engine Cooling)
2016Mercedes-BenzSL63 AMGN/APrimary (Engine Cooling)
2016Mercedes-BenzSL65 AMGN/APrimary (Engine Cooling)
2016Mercedes-BenzSLK55 AMGN/A
2015Mercedes-BenzC63 AMGN/A
2015Mercedes-BenzCLS63 AMG SN/APrimary(Engine Cooling)
2015Mercedes-BenzE63 AMGN/APrimary (Engine Cooling)
2015Mercedes-BenzE63 AMG SN/APrimary (Engine Cooling)
2015Mercedes-BenzSL63 AMGN/APrimary (Engine Cooling)
2015Mercedes-BenzSL65 AMGN/APrimary (Engine Cooling)
2015Mercedes-BenzSLK55 AMGN/A
2015Mercedes-BenzSLS AMGN/APrimary (Engine Cooling)
2014Mercedes-BenzC63 AMGN/A
2014Mercedes-BenzCLS63 AMGN/APrimary(Engine Cooling)
2014Mercedes-BenzCLS63 AMG SN/APrimary(Engine Cooling)
2014Mercedes-BenzE63 AMGN/APrimary(Engine Cooling)
2014Mercedes-BenzE63 AMG SN/APrimary (Engine Cooling)
2014Mercedes-BenzSL63 AMGN/APrimary(Engine Cooling)
2014Mercedes-BenzSL65 AMGN/APrimary(Engine Cooling)
2014Mercedes-BenzSLK55 AMGN/A
2014Mercedes-BenzSLS AMGN/A
2013Mercedes-BenzC63 AMGN/A
2013Mercedes-BenzCLS63 AMGN/APrimary(Engine Cooling)
2013Mercedes-BenzE63 AMGN/APrimary(Engine Cooling)
2013Mercedes-BenzSL63 AMGN/APrimary(Engine Cooling)
2013Mercedes-BenzSL65 AMGN/APrimary(Engine Cooling)
2013Mercedes-BenzSLK55 AMGN/A
2013Mercedes-BenzSLS AMGN/A
2012Mercedes-BenzC63 AMGN/A
2012Mercedes-BenzCLS63 AMGN/APrimary(Engine Cooling)
2012Mercedes-BenzE63 AMGN/APrimary(Engine Cooling)
2012Mercedes-BenzSLK55 AMGN/A
2012Mercedes-BenzSLS AMGN/A
2011Mercedes-BenzE63 AMGN/A
2011Mercedes-BenzSLS AMGN/A
2010Mercedes-BenzE63 AMGN/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:

8013358

Cross-reference numbers are provided for identification purposes only. Always confirm fitment before ordering.