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Denso 221-3429 Radiator
Overview of the Denso Radiator 221-3429 for Infiniti M45 and Q45
The Denso Radiator part number 221-3429 is designed specifically for Infiniti M45 and Q45 models. This radiator features precise core dimensions and includes a transmission oil cooler, ensuring efficient engine and transmission cooling for these vehicles.
- Core Height: 17.687 inches
- Core Width: 27.062 inches
- Core Thickness: 0.625 inches
- Inlet Diameter: 1.375 inches
- Outlet Diameter: 1.375 inches
- Includes Transmission Oil Cooler
Detailed Product Description
The Denso 221-3429 radiator is engineered with a core height of 17.687 inches, a width of 27.062 inches, and a thickness of 0.625 inches, providing optimal surface area for heat dissipation. Both the inlet and outlet diameters measure 1.375 inches, matching the factory specifications for seamless integration. This radiator also incorporates a transmission oil cooler, which helps maintain proper transmission fluid temperature, contributing to the longevity and performance of the transmission system in Infiniti M45 and Q45 vehicles.
Compatible Vehicles and Applications
This radiator is compatible with the following Infiniti models:
- Infiniti M45
- Infiniti Q45
It is designed to replace the original radiator and transmission oil cooler assembly, addressing issues related to engine overheating and transmission fluid temperature regulation.
Common Issues Addressed by This Radiator
- Engine overheating due to radiator core damage or clogging
- Transmission overheating caused by inefficient transmission oil cooling
- Coolant leaks from worn or damaged radiator components
- Reduced cooling efficiency from corrosion or buildup inside the radiator
- Inadequate heat dissipation affecting engine and transmission performance
Installation Notes and Tips
When installing the Denso 221-3429 radiator, ensure that the inlet and outlet hoses match the 1.375-inch diameter specifications for proper fitment. Verify that the transmission oil cooler lines are correctly connected to maintain transmission fluid flow. It is recommended to inspect and replace any worn hoses or clamps during installation to prevent leaks. Proper bleeding of the cooling system after installation will help avoid air pockets and ensure optimal cooling performance.
Quality Assurance and Warranty
Denso radiators are manufactured to meet or exceed OEM standards, ensuring reliable performance and durability. The 221-3429 radiator undergoes rigorous quality control testing to verify core integrity and cooling efficiency. Please refer to Denso's official warranty policy for specific coverage details related to this radiator.
| Brand | Denso |
| Part Number | 221-3429 |
| Core Height | 17.6870 |
| Core Thickness | 0.6250 |
| Core Width | 27.0620 |
| Transmission Oil Cooler Included | Yes |
| Inlet Diameter | 1.3750 |
| Outlet Diameter | 1.3750 |
This part fits 5 vehicles. Search below:
| Year | Make | Model | Position | Notes |
|---|---|---|---|---|
| 2004 | INFINITI | M45 | N/A | |
| 2004 | INFINITI | Q45 | N/A | |
| 2003 | INFINITI | M45 | N/A | |
| 2003 | INFINITI | Q45 | N/A | |
| 2002 | INFINITI | Q45 | N/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:
Cross-reference numbers are provided for identification purposes only. Always confirm fitment before ordering.