Denso 221-9329 Radiator

Brand Denso 221-9329
Core Height 14.7600
Core Thickness 0.6300
Core Width 29.6500
Transmission Oil Cooler Included No
Inlet Diameter 1.3000
Outlet Diameter 1.3000
Fits Mazda · 2 vehicles

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

Radiator performance. Essential for proper engine cooling and function.

Durability tested. Passed strict function and durability checks.

Cross-references APDI 8013367, CSF 3804 and DPI Performance Racing Products 13367 for the same application. See all 8.

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Denso Radiator for Mazda 6

The Denso 221-9329 radiator is built for 2014-2015 Mazda 6 applications and follows OE-style dimensions and materials for proper engine cooling. With a 14.7600-inch core height, 29.6500-inch core width, and 0.6300-inch core thickness, it is sized to match the original cooling system layout.

Designed for direct replacement use on the Mazda 6, this radiator uses 1.3000-inch inlet and outlet diameters and does not include a transmission oil cooler. Denso’s OE supplier background supports consistent fitment and dependable thermal performance in demanding driving conditions.

  • Fits 2014-2015 Mazda 6, N/A
  • Core height: 14.7600 in.
  • Core width: 29.6500 in.
  • Core thickness: 0.6300 in.
  • 1.3000 in. inlet and 1.3000 in. outlet diameters
  • No transmission oil cooler included
  • OE-style radiator construction for Mazda 6 cooling system service

Detailed Product Overview

Denso 221-9329 is a replacement radiator engineered around OE specifications for the 2014-2015 Mazda 6. The radiator configuration, tank design, fin pitch, core dimensions, and material selection are aligned to the standards used by original equipment manufacturers, helping maintain stable coolant flow and heat transfer. This part cross-references Mazda PE11-15-200 for the same application.

Common Cooling System Issues

  • Overheating caused by a restricted or leaking radiator
  • Coolant loss from cracked tanks or damaged core passages
  • Reduced heat rejection from worn internal fins or corrosion
  • Temperature fluctuation during stop-and-go driving
  • Cooling system service needs on a 2014-2015 Mazda 6

Installation Notes and Tips

Verify the inlet and outlet sizes, core dimensions, and transmission cooler requirements before installation. Flush the cooling system, inspect hoses and clamps, and confirm the radiator mounts correctly in the Mazda 6 support structure. Refill with the correct coolant mixture and bleed air from the system after installation.

Quality Assurance

Denso radiators are produced to OE-level standards and undergo durability and function testing before release. That testing helps ensure reliable cooling performance and fitment for Mazda 6 service applications.

This part fits 2 vehicles
Always verify fitment with your vehicle's VIN if unsure. Submodel & trim restrictions may apply.
YearMakeModelPositionNotes
2015Mazda6N/A—
2014Mazda6N/A—
Directly replaces or cross-references 8 part numbers
Cross-reference numbers are provided for identification purposes only. Always confirm fitment before ordering.
APDI — 8013367CSF — 3804DPI Performance Racing Products — 13367Mazda — PE11-15-200OSC — 13367Reach Cooling — 41-13367Spectra Premium — CU13367TYC Cooling - Archived — 13367