Denso 221-9405 Radiator

Brand Denso 221-9405
Core Height 23.6200
Core Thickness 1.0600
Core Width 18.8600
Inlet Diameter 1.5200
Outlet Diameter 1.5200
Transmission Oil Cooler Included NO
Fits BMW · 29 vehicles

OE experience. Built to OE standards for dependable fit and performance.

Radiator performance. Helps maintain proper engine cooling and function.

Durability tested. Passes strict function and durability checks for reliable service.

Cross-references APDI 8012882, BMW 17117542199 and BMW 17117562079 for the same application. See all 9.

$157.01Free shipping
In stock · usually ships same day before 1pm CST
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Free returns within 60 days if it doesn't fit when fitment is verified.

Denso Radiator 221-9405 for BMW Cooling

The Denso 221-9405 radiator is an OE-style replacement built for BMW cooling systems that require precise fitment and stable heat transfer. It is engineered to match original equipment dimensions and materials for dependable engine temperature control in daily driving and demanding conditions.

  • Core height: 23.6200
  • Core width: 18.8600
  • Core thickness: 1.0600
  • Inlet diameter: 1.5200
  • Outlet diameter: 1.5200
  • Transmission oil cooler included: No
  • OE-focused radiator configuration for fit and function

OE Fitment and Application

This radiator is compatible with BMW 128i, BMW 328i, BMW 328i xDrive, BMW Z4, BMW 328xi, BMW 325i, BMW 325xi, BMW 330i, and BMW 330xi applications listed below. It is a direct-fit cooling component for vehicles that require the no sensor port in core configuration.

  • Fits 2008-2013 BMW 128i, N/A, w/o Sensor Port in Core
  • Fits 2007-2013 BMW 328i, N/A, w/o Sensor Port in Core
  • Fits 2009-2013 BMW 328i xDrive, N/A, w/o Sensor Port in Core
  • Fits 2009-2011 BMW Z4, N/A, w/o Sensor Port in Core
  • Fits 2007-2008 BMW 328xi, N/A, w/o Sensor Port in Core
  • Fits 2006 BMW 325i, N/A, w/o Sensor Port in Core
  • Fits 2006 BMW 325xi, N/A, w/o Sensor Port in Core
  • Fits 2006 BMW 330i, N/A, w/o Sensor Port in Core
  • Fits 2006 BMW 330xi, N/A, w/o Sensor Port in Core

What This Radiator Helps Address

  • Overheating caused by a leaking or restricted radiator
  • Coolant loss from cracked tanks or damaged core passages
  • Temperature fluctuation from reduced heat exchange efficiency
  • Fitment issues when replacing an OE-style BMW radiator
  • Cooling system service needs on BMW 128i, 328i, and Z4 models

Installation Notes and Tips

Verify the vehicle uses the w/o Sensor Port in Core configuration before ordering. Confirm inlet and outlet hose sizes, mounting points, and overall core dimensions against the original radiator. Inspect hoses, clamps, and coolant condition during replacement to help protect the new cooling system component.

Quality Assurance

Denso supplies radiators to OE car makers worldwide, and this part is built around OE experience and fitment standards. The radiator configuration, tank design, fin pitch, core dimensions, and materials are engineered to meet original manufacturer requirements, and each unit passes durability and function testing before release. This part cross-references BMW (e.g., 17117542199, 17117562079) for the same application.

This part fits 29 vehicles
Always verify fitment with your vehicle's VIN if unsure. Submodel & trim restrictions may apply.
YearMakeModelTransmissionPositionNotes
2013BMW128iAutomaticN/Aw/o Sensor Port in Core
2013BMW328iAutomaticN/Aw/o Sensor Port in Core
2013BMW328i xDriveAutomaticN/Aw/o Sensor Port in Core
2012BMW128iAutomaticN/Aw/o Sensor Port in Core
2012BMW328iAutomaticN/Aw/o Sensor Port in Core
2012BMW328i xDriveAutomaticN/Aw/o Sensor Port in Core
2011BMW128iAutomaticN/Aw/o Sensor Port in Core
2011BMW328iAutomaticN/Aw/o Sensor Port in Core
2011BMW328i xDriveAutomaticN/Aw/o Sensor Port in Core
2011BMWZ4AutomaticN/Aw/o Sensor Port in Core
2011BMWZ4Automatic Dual ClutchN/Aw/o Sensor Port in Core
2010BMW128iAutomaticN/Aw/o Sensor Port in Core
2010BMW328iAutomaticN/Aw/o Sensor Port in Core
2010BMW328i xDriveAutomaticN/Aw/o Sensor Port in Core
2010BMWZ4AutomaticN/Aw/o Sensor Port in Core
2010BMWZ4Automatic Dual ClutchN/Aw/o Sensor Port in Core
2009BMW128iAutomaticN/Aw/o Sensor Port in Core
2009BMW328iAutomaticN/Aw/o Sensor Port in Core
2009BMW328i xDriveAutomaticN/Aw/o Sensor Port in Core
2009BMWZ4Automatic Dual ClutchN/Aw/o Sensor Port in Core
2008BMW128iAutomaticN/Aw/o Sensor Port in Core
2008BMW328iAutomaticN/Aw/o Sensor Port in Core
2008BMW328xiAutomaticN/Aw/o Sensor Port in Core
2007BMW328iAutomaticN/Aw/o Sensor Port in Core
2007BMW328xiAutomaticN/Aw/o Sensor Port in Core
2006BMW325iAutomaticN/Aw/o Sensor Port in Core
2006BMW325xiAutomaticN/Aw/o Sensor Port in Core
2006BMW330iAutomaticN/Aw/o Sensor Port in Core
2006BMW330xiAutomaticN/Aw/o Sensor Port in Core
Directly replaces or cross-references 9 part numbers
Cross-reference numbers are provided for identification purposes only. Always confirm fitment before ordering.
APDI — 8012882BMW — 17117542199BMW — 17117562079CSF — 3718DPI Performance Racing Products — 2882OSC — 2882Reach Cooling — 41-2882Spectra Premium — CU2882TYC Cooling - Archived — 2882