Denso 221-3229 Radiator

Brand Denso 221-3229
Core Height 15.7500
Core Thickness 0.6250
Core Width 28.2500
Inlet Diameter 1.2500
Outlet Diameter 1.2500
Transmission Oil Cooler Included YES
Fits Honda · 5 vehicles

OE experience. Built with DENSO know-how for reliable performance and fit.

Engine cooling essential. Helps maintain proper cooling and function under demanding conditions.

Transmission oil cooler included. Adds integrated cooling support in one radiator assembly.

Cross-references APDI 8012599, CSF 3185 and DPI Performance Racing Products 2569 for the same application. See all 14.

$140.60Free shipping
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Denso 221-3229 Radiator for Honda Accord

The Denso 221-3229 radiator is a direct-fit cooling component for 2003-2007 Honda Accord models with DENSO radiator applications. Built to OE-style dimensions and materials, it supports consistent engine temperature control and dependable fitment for daily driving and demanding conditions.

Key Features

  • Core height: 15.7500 in.
  • Core width: 28.2500 in.
  • Core thickness: 0.6250 in.
  • Inlet diameter: 1.2500 in.
  • Outlet diameter: 1.2500 in.
  • Transmission oil cooler included
  • OE-focused radiator configuration for accurate fitment

Product Details

Denso Part Number 221-3229 is engineered for the 2003-2007 Honda Accord and reflects Denso’s OE supply experience. The radiator’s core dimensions, tank design, fin pitch, and material selection are built to meet original equipment standards, helping maintain proper coolant flow and heat transfer. This radiator is a practical choice for Honda Accord cooling system service when the original unit is leaking, restricted, or no longer maintaining stable operating temperatures. This part cross-references APDI 8012599 for the same application.

Common Uses

  • Replacing a leaking or cracked radiator
  • Restoring normal engine operating temperature
  • Addressing coolant loss from damaged tanks or seams
  • Correcting overheating caused by reduced radiator efficiency
  • Servicing a Honda Accord cooling system with OE-style fitment

Installation Notes

Fits 2003-2007 Honda Accord, N/A. Verify inlet and outlet hose sizes, transmission cooler line routing, and mounting points before installation. Flush the cooling system, inspect hoses and clamps, and refill with the correct coolant mixture after installation. Confirm there is no trapped air in the system and check for leaks during warm-up.

Quality Assurance

Denso radiators are built to OE standards and undergo durability and function testing before release. That testing helps support reliable cooling performance and consistent fitment for Honda Accord applications.

This part fits 5 vehicles
Always verify fitment with your vehicle's VIN if unsure. Submodel & trim restrictions may apply.
YearMakeModelTransmissionPositionNotes
2007HondaAccordAutomaticN/Aw/ DENSO Radiator
2006HondaAccordAutomaticN/Aw/ DENSO Radiator
2005HondaAccordAutomaticN/Aw/ DENSO Radiator
2004HondaAccordAutomaticN/Aw/ DENSO Radiator
2003HondaAccordAutomaticN/Aw/ DENSO Radiator
Directly replaces or cross-references 14 part numbers
Cross-reference numbers are provided for identification purposes only. Always confirm fitment before ordering.
APDI — 8012599CSF — 3185DPI Performance Racing Products — 2569DPI Performance Racing Products — 2797Honda — 19010-RAA-A01Honda — 19010-RAA-A11Honda — 19010-RAA-A51Honda — 19010-RAA-A71Honda — 19010-RAA-A81OSC — 2797Reach Cooling — 41-2797Spectra Premium — CU2797TYC Cooling - Archived — 2797Vista Pro — 433875