Denso 221-9616 Radiator
OE Quality 60-Day Returns
Denso
 Radiator

Denso 221-9616 Radiator

Brand Denso 221-9616
Core Height 17.0080
Core Thickness 0.6300
Core Width 21.6540
Transmission Oil Cooler Included No
Inlet Diameter 1.2600
Outlet Diameter 1.2600
Product line Radiator
Fits Honda · 6 vehicles

OE experience. Denso radiators are built to OE standards for reliable performance and fit.

Engine cooling. Radiator performance is essential for proper cooling and function.

Durability tested. Each radiator passes strict durability and function testing.

Cross-references APDI 8013583, CSF 3780 and Global Parts Distributors LLC 13583C for the same application. See all 8.

$132.45Free shipping
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Denso Radiator for Honda Civic

The Denso 221-9616 radiator is built for 2016-2021 Honda Civic applications with TOYO Design. It is engineered around OE-style dimensions and materials to support consistent engine cooling, fitment, and day-to-day reliability.

  • Fits 2016-2021 Honda Civic, N/A, with TOYO Design
  • Core height: 17.0080 in.
  • Core width: 21.6540 in.
  • Core thickness: 0.6300 in.
  • Inlet diameter: 1.2600 in.
  • Outlet diameter: 1.2600 in.
  • Transmission oil cooler included: No

OE-Style Cooling Performance

Denso’s radiator line is based on OE supplier experience, with radiator configurations, tank design, fin pitch, core dimensions, and materials selected to meet original manufacturer standards. Part number 221-9616 is designed to maintain proper coolant flow and heat transfer for the Honda Civic, helping the cooling system operate as intended under normal driving and demanding conditions. This part cross-references Spectra Premium CU13583 for the same application.

What This Radiator Helps Address

  • Engine overheating caused by reduced radiator efficiency
  • Coolant temperature instability during stop-and-go driving
  • Heat buildup from a damaged or clogged radiator core
  • Leaks from an aging or corroded radiator assembly
  • Poor fitment after replacing a worn Honda Civic radiator

Installation Notes and Fitment Tips

Compatible with 2016-2021 Honda Civic models with TOYO Design. Verify inlet and outlet diameter, core dimensions, and mounting layout against the original unit before installation. Confirm that the vehicle does not require an integrated transmission oil cooler, since this radiator does not include one. The Denso 221-9616 is a direct-fit style replacement for applications matching the listed OE configuration.

Quality Assurance

Denso radiators are manufactured to OE-level specifications and undergo durability and function testing before release. That testing process helps ensure dependable cooling performance, consistent fitment, and reliable operation in everyday use.

Related reading

This part fits 6 vehicles
Always verify fitment with your vehicle's VIN if unsure. Submodel & trim restrictions may apply.
YearMakeModelNotes
2021HondaCivicwithTOYO Design; Radiator
2020HondaCivicwithTOYO Design; Radiator
2019HondaCivicwithTOYO Design; Radiator
2018HondaCivicwithTOYO Design; Radiator
2017HondaCivicwithTOYO Design; Radiator
2016HondaCivicwithTOYO Design; Radiator
Directly replaces or cross-references 8 part numbers
Cross-reference numbers are provided for identification purposes only. Always confirm fitment before ordering.
APDI — 8013583CSF — 3780Global Parts Distributors LLC — 13583COSC — 13583Spectra Premium — CU1358341-13583190105BAA012219616