Denso 221-9523 Radiator

Denso 221-9523 Radiator for Hyundai and Kia

The Denso 221-9523 radiator is built for direct-fit engine cooling performance in select Hyundai Accent, Hyundai Veloster, and Kia Rio applications. With OE-style dimensions and carefully matched inlet and outlet sizing, it supports consistent coolant flow and dependable heat transfer.

• Core height: 19.6850
• Core width: 14.4488
• Core thickness: 0.6299
• Inlet diameter: 1.3780
• Outlet diameter: 1.2992
• OE-focused radiator configuration for fitment accuracy
• Built to Denso’s durability and function testing standards

OE-Style Cooling Performance

Denso part number 221-9523 is engineered around OE specifications for radiator configuration, tank design, fin pitch, core dimensions, and materials. That attention to detail helps maintain proper engine temperature control in daily driving and demanding conditions. This radiator is a direct replacement choice for 2012-2017 Hyundai Accent, 2012-2017 Hyundai Veloster, and 2012-2017 Kia Rio models.

This part cross-references Spectra Premium CU13252 and CSF 3540 for the same application.

What This Radiator Helps Address

• Overheating caused by a restricted or failing radiator
• Coolant temperature instability during stop-and-go driving
• Leaks from aging radiator tanks or core damage
• Reduced cooling efficiency from worn internal passages
• Fitment issues when replacing an OE-style radiator on Hyundai Accent, Hyundai Veloster, or Kia Rio

Installation Notes and Fitment

Fits 2012-2017 Hyundai Accent, N/A. Fits 2012-2017 Hyundai Veloster, N/A. Fits 2012-2017 Kia Rio, N/A. Verify inlet and outlet sizing, mounting points, and cooling system connections before installation. Proper coolant fill and system bleeding are important after replacement to restore normal circulation and temperature control.

Quality Assurance

Denso supplies radiators to OE vehicle manufacturers worldwide, and this radiator reflects that OE experience. Each unit is built to meet rigid manufacturer standards and passes durability and function testing to support reliable cooling performance.