CSF 3606 Radiator
OE Quality 60-Day Returns
CSF
 1 Row Plastic Tank Aluminum Core

CSF 3606 Radiator

Brand CSF 3606
Core Thickness 5/8
Core Width 25 11/16
Core Material Aluminum
Tank Material Plastic
Core Length 14 3/4
Inlet Diameter 1 1/4 left
Outlet Diameter 1 1/4 left
Down Flow Or Cross Flow Type Down flow
Radiator Core Row Quantity 1
Cap Included No
Box Height (in) 5 1/2
Box Length (in) 28 11/16
Box Weight (lbs) 7
Box Width (in) 20 13/16
Csf Cap Number 4514
Hazardous Material No
Inlet Length (in) 26 7/16
Inlet Width (in) 1 1/16
Outlet Length (in) 26 7/16
Outlet Width (in) 1 5/8
Tech Note O.e.m. style plastic tanks & aluminum core;with quick-connect out
Product line 1 Row Plastic Tank Aluminum Core
Fits Acura and Honda · 19 vehicles

OE-style replacement. Plastic tanks and an aluminum core match the original design.

Wind tunnel tested. Validated for cooling performance in lab conditions.

Quick-connect outlet pipe. Simplifies installation with a factory-style connection.

Cross-references APDI 8013221, Bosch 13224 and Carlson 13221 for the same application. See all 11.

$121.54Free shipping
In stock · usually ships same day before 1pm CST
Step 1 — Confirm fitment
Free return shipping if it doesn't fit when you check fitment here first.
Select your vehicle to confirm fitment
Verify this part fits before purchasing — free returns if it doesn't
Step 2 — Quantity
Order total $121.54
Free shipping to the continental U.S.
Free returns within 60 days if it doesn't fit when fitment is verified.
Not what you need? See all Radiator options

OE-Style Radiator for Honda Civic and Acura ILX

This CSF radiator is built as an OE-style replacement with a 1-row plastic tank and aluminum core design. It is engineered for direct-fit cooling performance on select Honda Civic and Acura ILX applications, including 2012-2015 Honda Civic and 2013-2015 Acura ILX models.

Key Features

  • Brand: CSF
  • Part number: 3606
  • 1-row down-flow radiator design
  • Aluminum core with plastic tanks
  • Core thickness: 5/8 in.
  • Core dimensions: 25 11/16 in. wide x 14 3/4 in. long
  • Inlet and outlet diameter: 1 1/4 in. left
  • OE-style plastic tanks with aluminum core construction
  • Quick-connect outlet pipe
  • No cap included

Product Details

CSF 3606 is designed for drivers who need a direct replacement radiator that matches the original equipment layout. The down-flow configuration, aluminum core, and plastic tank construction follow the OE-style design used on select Honda Civic and Acura ILX cooling systems. CSF states that its radiators are engineered to high performance standards and validated through wind tunnel testing, with manufacturing experience across a broad range of radiator applications. This part cross-references Spectra Premium CU13221 for the same application.

What This Radiator Helps Address

  • Overheating caused by a leaking or restricted radiator
  • Coolant loss from cracked plastic tanks or aged seams
  • Reduced heat transfer from a worn aluminum core
  • Cooling system performance issues on a Honda Civic radiator replacement
  • OE-style replacement needs for an Acura ILX radiator service

Installation Notes

  • Compatible With 2013-2015 Acura ILX, N/A
  • Compatible With 2012-2015 Honda Civic, N/A
  • Use a Micro, 16 psi cap where specified in fitment notes
  • Verify inlet and outlet orientation before installation
  • Confirm radiator dimensions and quick-connect outlet pipe style against the original unit
  • Inspect hoses, clamps, and coolant condition during radiator replacement

Quality Assurance

CSF manufactures radiators to ISO/TSO-certified factory standards and supplies a wide range of radiator models for global vehicle applications. Part number 3606 is built to support OE-style fitment and cooling-system consistency for select Honda Civic and Acura ILX vehicles.

Related reading

This part fits 19 vehicles
Always verify fitment with your vehicle's VIN if unsure. Submodel & trim restrictions may apply.
YearMakeModelBody TypeLitersCylindersPositionNotes
2015AcuraILX—2.4LL4N/AOE Style Design; Use Micro, 16 psi Cap; 1 Row Plastic Tank Aluminum Core
2015HondaCivicSedan1.8LL4N/AOE Style Design; Use Micro, 16 psi Cap; USA/Canada Built; Denso Brand; 1 Row Plastic Tank Aluminum Core
2015HondaCivicSedan1.8LL4N/AOE Style Design; Use Micro, 16 psi Cap; USA Built; Toyo Brand; 1 Row Plastic Tank Aluminum Core
2015HondaCivicCoupe1.8LL4N/AOE Style Design; Use Micro, 16 psi Cap; 1 Row Plastic Tank Aluminum Core
2015HondaCivicCoupe2.4LL4N/AOE Style Design; Use Micro, 16 psi Cap; 1 Row Plastic Tank Aluminum Core
2014AcuraILX—2.4LL4N/AOE Style Design; Use Micro, 16 psi Cap; 1 Row Plastic Tank Aluminum Core
2014HondaCivicCoupe2.4LL4N/AOE Style Design; Use Micro, 16 psi Cap; 1 Row Plastic Tank Aluminum Core
2014HondaCivicSedan1.8LL4N/AOE Style Design; Use Micro, 16 psi Cap; USA/Canada Built; Denso Brand; 1 Row Plastic Tank Aluminum Core
2014HondaCivicSedan1.8LL4N/AOE Style Design; Use Micro, 16 psi Cap; USA Built; Toyo Brand; 1 Row Plastic Tank Aluminum Core
2014HondaCivicCoupe1.8LL4N/AOE Style Design; Use Micro, 16 psi Cap; 1 Row Plastic Tank Aluminum Core
2013AcuraILX—2.4LL4N/AOE Style Design; Use Micro, 16 psi Cap; 1 Row Plastic Tank Aluminum Core
2013HondaCivicSedan1.8LL4N/AOE Style Design; Use Micro, 16 psi Cap; USA Built; Toyo Brand; 1 Row Plastic Tank Aluminum Core
2013HondaCivicCoupe1.8LL4N/AOE Style Design; Use Micro, 16 psi Cap; 1 Row Plastic Tank Aluminum Core
2013HondaCivicSedan1.8LL4N/AOE Style Design; Use Micro, 16 psi Cap; USA/Canada Built; Denso Brand; 1 Row Plastic Tank Aluminum Core
2013HondaCivicCoupe2.4LL4N/AOE Style Design; Use Micro, 16 psi Cap; 1 Row Plastic Tank Aluminum Core
2012HondaCivicCoupe2.4LL4N/AOE Style Design; Use Micro, 16 psi Cap; 1 Row Plastic Tank Aluminum Core
2012HondaCivicCoupe1.8LL4N/AOE Style Design; Use Micro, 16 psi Cap; 1 Row Plastic Tank Aluminum Core
2012HondaCivicSedan1.8LL4N/AOE Style Design; Use Micro, 16 psi Cap; USA Built; Toyo Brand; 1 Row Plastic Tank Aluminum Core
2012HondaCivicSedan1.8LL4N/AOE Style Design; Use Micro, 16 psi Cap; USA/Canada Built; Denso Brand; 1 Row Plastic Tank Aluminum Core
Directly replaces or cross-references 11 part numbers
Cross-reference numbers are provided for identification purposes only. Always confirm fitment before ordering.
APDI — 8013221Bosch — 13224Carlson — 13221Partslink Numbering System — HO3010229Spectra Premium — CU132211322319010 R1B A0119010 R1B A0219010 R1B A5119010 R1B A52HO3010232