Part #: 221-9331

Denso 221-9331 Radiator

9 vehicles fit this part
Select your vehicle to confirm fitment
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OE Direct Replacement — Bolt-on fit, no modifications needed
Fitment: BMW, X3 and X4
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Overview of the Denso Radiator 221-9331 for BMW X3 and X4

The Denso radiator part number 221-9331 is designed specifically for BMW X3 and X4 models, providing reliable cooling performance. Engineered to meet OEM specifications, this radiator ensures efficient heat dissipation to maintain optimal engine temperature.

  • Core Height: 23.62 inches
  • Core Width: 16.08 inches
  • Core Thickness: 1.34 inches
  • Inlet Diameter: 1.52 inches
  • Outlet Diameter: 1.52 inches
  • Transmission Oil Cooler: Not included

Technical Specifications and Design Details

The Denso 221-9331 radiator features a core measuring 23.62 inches in height, 16.08 inches in width, and 1.34 inches in thickness. These dimensions are optimized for the cooling requirements of BMW X3 and X4 vehicles. Both the inlet and outlet diameters are 1.52 inches, ensuring compatibility with the factory cooling system hoses. This radiator does not include a transmission oil cooler, focusing solely on engine coolant circulation.

Compatible Vehicles and Application

This radiator is compatible with BMW X3 and X4 models, making it a direct replacement for the original equipment. It is suitable for addressing common cooling system issues such as overheating, coolant leaks, and reduced heat exchange efficiency.

  • Resolves engine overheating problems
  • Replaces damaged or corroded radiator cores
  • Fixes coolant leaks from radiator core or connections
  • Restores proper coolant flow and temperature regulation

Installation Notes and Recommendations

When installing the Denso radiator 221-9331, ensure all coolant hoses match the 1.52-inch inlet and outlet diameters for a secure fit. It is recommended to flush the cooling system before installation to remove debris and contaminants. Properly bleed the cooling system after installation to prevent air pockets and ensure efficient operation.

Quality Assurance and Warranty Information

Denso radiators are manufactured to meet strict quality standards and OEM specifications. The 221-9331 radiator undergoes rigorous testing to ensure durability and performance. While specific warranty details may vary, Denso products typically include a limited warranty covering defects in materials and workmanship.

BrandDenso
Part Number221-9331
Core Height23.6200
Core Thickness1.3400
Core Width16.0800
Inlet Diameter1.5200
Outlet Diameter1.5200
Transmission Oil Cooler IncludedNO

This part fits 9 vehicles. Search below:

YearMakeModelPositionNotes
2017BMWX3N/A
2017BMWX4N/A
2016BMWX3N/A
2016BMWX4N/A
2015BMWX3N/A
2015BMWX4N/A
2014BMWX3N/A
2013BMWX3N/A
2012BMWX3N/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:

8013370

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