Denso 221-3208 Radiator

Brand Denso 221-3208
Core Height 13.7500
Core Thickness 1.0000
Core Width 13.6870
Inlet Diameter 1.1250
Outlet Diameter 1.1250
Transmission Oil Cooler Included YES
Fits Honda · 6 vehicles

OE experience. Built to meet strict OE standards for reliable performance and fit.

Radiator performance. Essential for proper engine cooling and function.

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

Cross-references ACDelco 21099, APDI 8011290 and CSF 2602 for the same application. See all 10.

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Denso Radiator for Honda Civic and Civic del Sol

The Denso 221-3208 radiator is built for direct-fit cooling performance in select Honda applications. It is compatible with 1999-2000 Honda Civic and 1996-1997 Honda Civic del Sol models, with OE-style dimensions and integrated transmission oil cooler support.

Key Features

  • Core height: 13.7500 in.
  • Core width: 13.6870 in.
  • Core thickness: 1.0000 in.
  • Inlet diameter: 1.1250 in.
  • Outlet diameter: 1.1250 in.
  • Transmission oil cooler included
  • OE-based radiator configuration for fitment consistency

Detailed Description

Denso 221-3208 is a replacement radiator engineered around OE specifications for cooling system fit and function. Denso supplies radiators to vehicle manufacturers worldwide, and this unit reflects that OE-focused experience through its core dimensions, tank design, fin pitch, and material selection. For Honda Civic and Honda Civic del Sol cooling system service, the radiator is built to support stable engine temperature control and dependable heat exchange under everyday driving conditions.

This part cross-references Honda 19010-P2J-902 for the same application. It also aligns with aftermarket references such as ACDelco 21099 and Spectra Premium CU1290.

What This Radiator Helps Address

  • Overheating caused by a leaking or restricted radiator
  • Coolant loss from cracked tanks or damaged core passages
  • Poor heat transfer from an aging cooling system
  • Transmission cooling concerns when the radiator-mounted cooler is part of the circuit
  • Fitment issues from non-OE-style replacement parts

Installation Notes and Tips

Fits 1999-2000 Honda Civic and 1996-1997 Honda Civic del Sol. Verify inlet and outlet hose sizes before installation, and confirm that the transmission cooler connections match the vehicle’s original setup. Flush the cooling system, inspect hoses and clamps, and refill with the correct coolant mixture after installation.

Quality Assurance

Denso states that its radiators are built to OE standards and undergo durability and function testing before release. That OE-oriented manufacturing approach supports consistent fitment and reliable cooling performance for Honda Civic and Honda Civic del Sol applications.

This part fits 6 vehicles
Always verify fitment with your vehicle's VIN if unsure. Submodel & trim restrictions may apply.
YearMakeModelTransmissionFuel TypePositionNotes
2000HondaCivicAutomaticGASN/A—
2000HondaCivicAutomatic CVT—N/A—
1999HondaCivicAutomaticGASN/A—
1999HondaCivicAutomatic CVT—N/A—
1997HondaCivic del SolAutomatic—N/A—
1996HondaCivic del SolAutomatic—N/A—
Directly replaces or cross-references 10 part numbers
Cross-reference numbers are provided for identification purposes only. Always confirm fitment before ordering.
ACDelco — 21099APDI — 8011290CSF — 2602DPI Performance Racing Products — 2274Honda — 19010-P2J-902OSC — 1290 1290EReach Cooling — 41-1290Spectra Premium — CU1290TYC Cooling - Archived — 2274Vista Pro — 432352