/live/media/C3/C3_3405_Fro.jpg)
CSF 3405 Radiator
| Brand | CSF 3405 |
|---|---|
| Box Height (in) | 4 14/16 |
| Box Length (in) | 31 1/4 |
| Box Weight (lbs) | 10 |
| Box Width (in) | 24 3/4 |
| Cap Included | No |
| Core Length | 17 11/16 |
| Core Material | Aluminum |
| Core Thickness | 5/8 |
| Core Width | 29 1/16 |
| Down Flow Or Cross Flow Type | Down Flow |
| Hazardous Material | No |
| Inlet Diameter | 1 3/8 Right |
| Inlet Length (in) | 29 1/2 |
| Inlet Width (in) | 1 5/8 |
| Oil Cooler (in) | 14 3/4 (high-effeciency Concentric Type) |
| Outlet Diameter | 1 3/8 Left |
| Outlet Length (in) | 29 1/2 |
| Outlet Width (in) | 1 5/8 |
| Radiator Core Row Quantity | 1 |
| Tank Material | Plastic |
| Tech Note | O.E.M. style Plastic tanks & Aluminum core. |
| Product line | 1 Row Plastic Tank Aluminum Core |
| Fits | INFINITI · 6 vehicles |
OE-style construction. Plastic tanks and an aluminum core match the original design.
Wind tunnel tested. Engineered for cooling performance validation in the lab.
1-row design. A compact radiator layout for efficient cooling flow.
Cross-references Anchor 2671, 21460-CM81B and 8012671 for the same application. See all 5.
CSF 3405 Radiator for Infiniti FX45
The CSF 3405 is an OE-style radiator built with a 1-row aluminum core and plastic tanks for the 2003-2008 Infiniti FX45. It is engineered for direct replacement use where correct cooling performance, factory-style fitment, and reliable heat transfer matter.
Product Features
- Fits 2003-2008 Infiniti FX45
- CSF part number 3405
- 1-row down-flow radiator design
- Aluminum core with plastic tanks
- Core thickness: 5/8 in.
- Core size: 29 1/16 in. wide x 17 11/16 in. long
- Inlet diameter: 1 3/8 in. right
- Outlet diameter: 1 3/8 in. left
- OE-style plastic tank and aluminum core construction
- High-efficiency concentric-type oil cooler: 14 3/4 in.
Detailed Description
Built for the Infiniti FX45 cooling system, the CSF 3405 radiator follows an OE-style layout with a down-flow configuration, plastic end tanks, and an aluminum core. CSF manufactures radiators to high-performance standards and validates cooling performance through laboratory wind tunnel testing. The brand also produces a wide range of radiator applications for major vehicle platforms, with ISO/TSO-certified factories supporting consistent manufacturing control. This part cross-references Anchor 2671 for the same application.
For buyers searching for an Infiniti FX45 radiator, CSF 3405, or an OE-style replacement radiator for 2003-2008 Infiniti FX45 models, this unit provides the factory-style dimensions and connection layout needed for a direct replacement. The radiator core measures 29 1/16 inches wide by 17 11/16 inches long, with 1 3/8-inch inlet and outlet connections positioned right and left, respectively.
Common Problems This Radiator Can Address
- Overheating caused by a leaking or restricted radiator
- Coolant loss from cracked plastic tanks or aged seams
- Reduced heat dissipation from a clogged or damaged core
- Cooling-system fitment issues after radiator replacement
- Transmission or engine temperature concerns tied to radiator wear
Installation Notes and Tips
Verify core dimensions, inlet and outlet orientation, and oil cooler configuration before installation. Transfer any required vehicle-specific components from the original radiator if applicable, and inspect hoses, clamps, and coolant condition at the same time. Proper system bleeding and a pressure check after installation help confirm a sealed cooling system.
Quality Assurance
CSF radiators are manufactured in ISO/TSO-certified facilities and are engineered for cooling performance validation. The 3405 is built as an OE-style replacement for the 2003-2008 Infiniti FX45, with materials and layout selected to match factory-style service requirements.
| Year | Make | Model | Liters | Cylinders | Position | Notes |
|---|---|---|---|---|---|---|
| 2008 | INFINITI | FX45 | 4.5L | V8 | N/A | OE style design ensures optimal fitment and performance.; 1 Row Plastic Tank Aluminum Core |
| 2007 | INFINITI | FX45 | 4.5L | V8 | N/A | OE style design ensures optimal fitment and performance.; 1 Row Plastic Tank Aluminum Core |
| 2006 | INFINITI | FX45 | 4.5L | V8 | N/A | OE style design ensures optimal fitment and performance.; 1 Row Plastic Tank Aluminum Core |
| 2005 | INFINITI | FX45 | 4.5L | V8 | N/A | OE style design ensures optimal fitment and performance.; 1 Row Plastic Tank Aluminum Core |
| 2004 | INFINITI | FX45 | 4.5L | V8 | N/A | OE style design ensures optimal fitment and performance.; 1 Row Plastic Tank Aluminum Core |
| 2003 | INFINITI | FX45 | 4.5L | V8 | N/A | OE style design ensures optimal fitment and performance.; 1 Row Plastic Tank Aluminum Core |
| No rows match your filter. | ||||||