Denso

Denso 221-9227 Radiator

Brand Denso 221-9227
Core Height 15.7500
Core Thickness 0.6300
Core Width 29.4900
Inlet Diameter 1.3750
Outlet Diameter 1.3800
Transmission Oil Cooler Included YES
Fits Nissan · 3 vehicles

OE experience. Built to meet rigid OE standards for fitment and performance.

Durability tested. Passes strict function and durability testing for dependable cooling.

Transmission oil cooler included. Integrated cooling support adds convenience in one radiator assembly.

Cross-references APDI 8012999, CSF 3374 and Datsun/Nissan 21460-EV00A for the same application. See all 9.

$178.06Free shipping
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Denso Radiator for Nissan 350Z

Denso 221-9227 is a direct-fit radiator for the 2007-2009 Nissan 350Z. Built to OE specifications, it supports stable engine cooling and transmission fluid temperature control with an integrated oil cooler.

Key Features

  • Fits 2007-2009 Nissan 350Z
  • Core dimensions: 15.7500 in. height, 29.4900 in. width, 0.6300 in. thickness
  • Transmission oil cooler included
  • Inlet diameter: 1.3750 in.
  • Outlet diameter: 1.3800 in.
  • OE-style radiator configuration for proper fitment and cooling performance

Detailed Description

The Denso 221-9227 radiator is engineered for the Nissan 350Z using OE-based design standards for tanks, fin pitch, core dimensions, and materials. Denso supplies radiators to original equipment manufacturers worldwide, and this radiator reflects that experience with a focus on fit, cooling efficiency, and durability. For drivers searching for a 2007-2009 Nissan 350Z radiator or a Denso 221-9227 replacement radiator, this unit matches the application requirements for dependable engine temperature management.

This part cross-references APDI 8012999 for the same application.

What This Radiator Helps Address

  • Engine overheating caused by a worn or restricted radiator
  • Coolant leaks from aging radiator tanks or core damage
  • Reduced cooling efficiency under daily driving or load
  • Transmission heat management concerns when the cooler circuit is part of the system
  • Fitment issues from using a non-OE-style replacement

Installation Notes and Tips

Verify the core dimensions, inlet and outlet sizes, and transmission oil cooler configuration before installation. Inspect hoses, clamps, and coolant condition during replacement, and flush the cooling system if contamination or debris is present. Confirm the radiator mounts and connections align with the vehicle before filling and bleeding the system.

Quality Assurance

Denso states that its radiators are built to OE manufacturer standards and undergo durability and function testing before release. That process supports consistent performance, reliable fitment, and long-term cooling system operation in the 2007-2009 Nissan 350Z.

This part fits 3 vehicles
Always verify fitment with your vehicle's VIN if unsure. Submodel & trim restrictions may apply.
YearMakeModelTransmissionPositionNotes
2009Nissan350ZAutomaticN/A
2008Nissan350ZAutomaticN/A
2007Nissan350ZAutomaticN/A
Directly replaces or cross-references 9 part numbers
Cross-reference numbers are provided for identification purposes only. Always confirm fitment before ordering.
APDI — 8012999CSF — 3374Datsun/Nissan — 21460-EV00ADPI Performance Racing Products — 13038OSC — 2999OSC — 13038Reach Cooling — 41-2999Spectra Premium — CU2999TYC Cooling - Archived — 13038