Part #: 221-3427

Denso 221-3427 Radiator

⚙️ 3 vehicles fit this part
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OE Direct Replacement — Bolt-on fit, no modifications needed
🚗Fitment: INFINITI, M35
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Overview of Denso Radiator for Infiniti M35

The Denso radiator part number 221-3427 is designed specifically for the Infiniti M35, providing reliable cooling performance. This radiator includes a built-in transmission oil cooler, making it a comprehensive cooling solution for your vehicle.

  • Core Height: 17.75 inches
  • Core Width: 29.00 inches
  • Core Thickness: 0.625 inches
  • Inlet Diameter: 1.437 inches
  • Outlet Diameter: 1.437 inches
  • Includes Transmission Oil Cooler

Detailed Product Description

The Denso 221-3427 radiator is engineered to meet the cooling demands of the Infiniti M35. Its core dimensions—17.75 inches in height, 29 inches in width, and 0.625 inches in thickness—ensure efficient heat dissipation. The radiator features inlet and outlet diameters of 1.437 inches, compatible with the vehicle’s cooling system hoses. Additionally, the integrated transmission oil cooler helps maintain optimal transmission fluid temperature, contributing to overall drivetrain longevity.

Compatible Vehicles and Applications

This radiator is compatible with Infiniti M35 models, providing a direct replacement for the original equipment. It is suitable for those seeking a radiator that supports both engine cooling and transmission oil cooling functions in one unit.

  • Overheating issues due to radiator core damage or clogging
  • Transmission fluid overheating caused by a faulty cooler
  • Leaks or cracks in the radiator core or tanks
  • Reduced cooling efficiency from corrosion or wear
  • Replacement during engine or transmission system maintenance

Installation Notes and Tips

When installing the Denso 221-3427 radiator on an Infiniti M35, ensure all hose connections match the 1.437-inch inlet and outlet diameters. Properly flush the cooling system before installation to prevent contamination. Verify that the transmission oil cooler lines are securely connected to avoid leaks. It is recommended to inspect all related components such as hoses and clamps during installation.

Quality Assurance and Warranty

Denso radiators are manufactured to meet strict quality standards, ensuring durability and performance. The 221-3427 radiator undergoes rigorous testing to comply with OEM specifications for the Infiniti M35. Warranty coverage details should be confirmed at the point of purchase, as they may vary by distributor.

BrandDenso
Part Number221-3427
Core Height17.7500
Core Thickness0.6250
Core Width29.0000
Inlet Diameter1.4370
Outlet Diameter1.4370
Transmission Oil Cooler IncludedYES

This part fits 3 vehicles. Search below:

YearMakeModelPositionNotes
2008INFINITIM35N/A
2007INFINITIM35N/A
2006INFINITIM35N/A

* Always verify fitment with your vehicle's VIN if unsure. Submodel & trim restrictions may apply.

This part directly replaces or is cross-referenced with the following part numbers:

8012780

Cross-reference numbers are provided for identification purposes only. Always confirm fitment before ordering.