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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.
Will it fit your vehicle?
Free return shipping if it doesn't fit.
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 |
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