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Denso 221-3424 Radiator
| Brand | Denso 221-3424 |
|---|---|
| Core Height | 17.7500 |
| Core Thickness | 1.0000 |
| Core Width | 29.0000 |
| Inlet Diameter | 1.4370 |
| Outlet Diameter | 1.4370 |
| Transmission Oil Cooler Included | YES |
| Fits | INFINITI · 6 vehicles |
OE experience. Built to meet rigid OE standards for reliable performance and fit.
Transmission oil cooler included. Integrated cooling support helps simplify radiator replacement.
Radiator performance is essential for proper engine cooling and function.
Cross-references APDI 8012671, CSF 3405 and DPI Performance Racing Products 2671 for the same application. See all 10.
Denso 221-3424 Radiator for Infiniti FX45
The Denso 221-3424 radiator is a direct-fit cooling system replacement for the 2003-2008 Infiniti FX45. Built to OE standards for fitment and durability, it supports stable engine temperature control and includes an integrated transmission oil cooler.
Key Features
- Fits 2003-2008 Infiniti FX45
- Core dimensions: 17.7500 in. height, 29.0000 in. width, 1.0000 in. thickness
- Transmission oil cooler included
- 1.4370 in. inlet and 1.4370 in. outlet diameters
- OE-style radiator configuration for proper fit and cooling performance
- Denso part number 221-3424
Detailed Description
Denso radiator 221-3424 is engineered for the Infiniti FX45 cooling system with the core size, tank layout, fin pitch, and materials selected to match OE requirements. Denso supplies radiators to vehicle manufacturers worldwide, and this OE-focused experience is reflected in the radiator’s fitment accuracy and thermal performance. For drivers searching for a 2003-2008 Infiniti FX45 radiator replacement, 221-3424 provides the correct dimensions and integrated transmission cooling support needed for dependable operation.
This part cross-references Spectra Premium CU2671 for the same application.
What This Radiator Helps Address
- Engine overheating caused by a leaking or restricted radiator
- Loss of coolant efficiency from damaged core tubes or fins
- Transmission fluid temperature control concerns when the cooler circuit is part of the radiator
- Fitment issues from an incorrect aftermarket radiator size
- Cooling system performance decline in a high-load Infiniti FX45 application
Installation Notes and Tips
Verify inlet and outlet hose sizes before installation and inspect the cooling system for contamination, cracked hoses, or worn clamps. Flush the system as needed, confirm proper coolant fill, and bleed air from the system after installation. Check for leaks at the radiator connections and transmission cooler lines once the engine reaches operating temperature.
Quality Assurance
Denso radiators are built to OE specifications and undergo durability and function testing to support reliable cooling performance under demanding conditions. Part number 221-3424 is manufactured to deliver consistent fitment and dependable service for the Infiniti FX45.
| Year | Make | Model | Position | Notes |
|---|---|---|---|---|
| 2008 | INFINITI | FX45 | N/A | — |
| 2007 | INFINITI | FX45 | N/A | — |
| 2006 | INFINITI | FX45 | N/A | — |
| 2005 | INFINITI | FX45 | N/A | — |
| 2004 | INFINITI | FX45 | N/A | — |
| 2003 | INFINITI | FX45 | N/A | — |
| No rows match your filter. | ||||