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CSF 3119 Radiator
CSF 3119 Radiator for Lexus GS430
The CSF 3119 is an OE-style radiator built for 2001-2005 Lexus GS430 applications. It uses a 1-row aluminum core with plastic tanks to match the original cooling system layout and support consistent heat transfer.
CSF’s radiator line is engineered to high-performance standards and validated through wind-tunnel testing. With broad manufacturing coverage and long-running global production, the CSF 3119 reflects a focused replacement solution for the Lexus GS430 cooling system.
Key Features
- 1-row down-flow radiator design
- Aluminum core with plastic tanks
- Core thickness: 5/8 in.
- Core size: 29 7/8 in. wide x 15 3/4 in. long
- Inlet: 1 1/2 in. left
- Outlet: 1 1/2 in. right
- OE-style plastic tank and aluminum core construction
- Oil cooler: 14 3/4 in. high-efficiency concentric type
Detailed Description
Built for the 2001-2005 Lexus GS430, CSF part number 3119 is a direct-fit radiator designed around the original equipment layout. The down-flow configuration, left-side inlet, right-side outlet, and 1-row core help maintain the factory-style cooling path, while the aluminum core and plastic tanks provide the construction commonly used in OE replacement radiators. This CSF 3119 radiator is a practical choice for Lexus GS430 owners replacing a leaking, clogged, or heat-affected radiator.
CSF manufactures a wide range of radiators for leading vehicle brands, and this product line is built to meet demanding cooling requirements. If you are searching for a Lexus GS430 radiator replacement, CSF 3119 offers the correct fitment profile and the dimensions needed for a proper OE-style service part.
This part cross-references APDI 8012541 for the same application.
What It Helps Address
- Coolant leaks from a cracked or aging radiator tank
- Restricted coolant flow caused by internal buildup
- Overheating from reduced heat dissipation
- Cooling system service on a 2001-2005 Lexus GS430
- Replacement of a damaged OE-style radiator assembly
Installation Notes and Tips
Fits 2001-2005 Lexus GS430, N/A. Verify inlet and outlet orientation, core dimensions, and oil cooler connection points before installation. The application notes specify use of a Micro, 16 psi cap; cap included is not listed for this part. Confirm all hose and mounting interfaces match the vehicle before final assembly.
Quality Assurance
CSF states that its factories are ISO/TSO certified and that its radiators are engineered and wind-tunnel tested for cooling performance validation. Part number 3119 is built as an OE-style replacement radiator for the Lexus GS430 cooling system.
| Brand | CSF |
| Part Number | 3119 |
| Position | 1 Row Plastic Tank Aluminum Core |
| Core Thickness | 5/8 |
| Core Width | 29 7/8 |
| Core Material | Aluminum |
| Tank Material | Plastic |
| Core Length | 15 3/4 |
| Inlet Diameter | 1 1/2 left |
| Outlet Diameter | 1 1/2 right |
| Down Flow Or Cross Flow Type | Down flow |
| Radiator Core Row Quantity | 1 |
| Cap Included | No |
| Box Height (in) | 5 1/2 |
| Box Length (in) | 32 7/16 |
| Box Weight (lbs) | 10 |
| Box Width (in) | 22 3/4 |
| Csf Cap Number | 4513 |
| Hazardous Material | No |
| Inlet Length (in) | 30 1/4 |
| Inlet Width (in) | 1 5/8 |
| Oil Cooler (in) | 14 3/4 (high-effeciency concentric type) |
| Outlet Length (in) | 30 1/4 |
| Outlet Width (in) | 1 5/8 |
| Tech Note | O.e.m. style plastic tanks & aluminum core. |
This part fits 5 vehicles. Search below:
| Year | Make | Model | Liters | Cylinders | Position | Notes |
|---|---|---|---|---|---|---|
| 2005 | Lexus | GS430 | 4.3L | V8 | N/A | OE Style Design; Use Micro, 16 psi Cap; 1 Row Plastic Tank Aluminum Core |
| 2004 | Lexus | GS430 | 4.3L | V8 | N/A | OE Style Design; Use Micro, 16 psi Cap; 1 Row Plastic Tank Aluminum Core |
| 2003 | Lexus | GS430 | 4.3L | V8 | N/A | OE Style Design; Use Micro, 16 psi Cap; 1 Row Plastic Tank Aluminum Core |
| 2002 | Lexus | GS430 | 4.3L | V8 | N/A | OE Style Design; Use Micro, 16 psi Cap; 1 Row Plastic Tank Aluminum Core |
| 2001 | Lexus | GS430 | 4.3L | V8 | N/A | OE Style Design; Use Micro, 16 psi Cap; 1 Row Plastic Tank Aluminum Core |
* 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.