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CSF 3150 Radiator
| Brand | CSF 3150 |
|---|---|
| Box Height (in) | 6 |
| Box Length (in) | 35 |
| Box Weight (lbs) | 15 |
| Box Width (in) | 27 |
| Cap Included | No |
| Core Length | 25 9/16 |
| Core Material | Aluminum |
| Core Thickness | 1 1/4 |
| Core Width | 23 9/16 |
| Csf Cap Number | 4514 |
| Down Flow Or Cross Flow Type | Cross Flow |
| Hazardous Material | No |
| Inlet Diameter | 1 1/2 Left |
| Inlet Length (in) | 24 |
| Inlet Width (in) | 1 15/16 |
| Oil Cooler (in) | 9 13/16 (high-efficiency Plate Type) |
| Outlet Diameter | 1 1/2 Right |
| Outlet Length (in) | 24 |
| Outlet Width (in) | 1 15/16 |
| 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 | Lexus and Toyota · 14 vehicles |
OE-style design. Plastic tanks and an aluminum core for a direct-fit radiator replacement.
Cross-flow layout. Helps promote efficient coolant flow through the radiator core.
Wind tunnel tested. Validated for cooling performance in lab testing.
Cross-references Anchor 2690, APDI 8012581 and DENSO Auto Parts 221-3124 for the same application. See all 13.
Will it fit your vehicle?
Free return shipping if it doesn't fit.
OE-Style Cooling for GX470 and 4Runner
CSF Radiator 3150 is an OE-style replacement built with a plastic tank and aluminum core layout for direct-fit cooling performance. It is engineered for the 2003-2009 Lexus GX470 and 2003-2009 Toyota 4Runner, making it a practical choice for drivers replacing a worn or leaking radiator.
The CSF 1 Row Plastic Tank Aluminum Core line focuses on factory-style construction with performance validation. CSF states its radiators are engineered and wind-tunnel tested for cooling performance, and the brand has supplied radiators worldwide for decades across a wide range of vehicle applications.
Key Features
- Part number 3150
- OE-style plastic tank and aluminum core construction
- 1-row cross-flow design
- Core thickness: 1 1/4 in.
- Core dimensions: 23 9/16 in. wide x 25 9/16 in. long
- 1 1/2 in. left inlet and 1 1/2 in. right outlet
- High-efficiency plate-type oil cooler section: 9 13/16 in.
- Cap not included
- Cross-references Spectra Premium CU2581 for the same application
Detailed Description
CSF 3150 is designed for owners who need a direct replacement radiator for the Lexus GX470 and Toyota 4Runner without changing the factory cooling layout. The aluminum core helps transfer heat efficiently, while the plastic tanks follow the original equipment style used on these vehicles. With a cross-flow configuration and integrated oil cooler section, this radiator matches the cooling system requirements of the listed applications.
Fits 2003-2009 Lexus GX470, N/A. Fits 2003-2009 Toyota 4Runner, N/A. Part number 3150 is also referenced in aftermarket catalogs under related numbers such as Spectra Premium CU2581.
Common Cooling System Issues
- Radiator leaks from aging plastic tanks or core seams
- Overheating caused by reduced heat transfer efficiency
- Coolant loss from cracked or corroded radiator components
- Transmission or engine cooling concerns tied to a failing radiator assembly
- Factory-style replacement needs for Lexus GX470 and Toyota 4Runner cooling systems
Installation Notes and Tips
Verify inlet and outlet orientation before installation: this unit uses a 1 1/2 in. left inlet and 1 1/2 in. right outlet. The radiator is built for OE-style plastic tank and aluminum core applications, and the cap is not included. Confirm the vehicle uses the specified 16 psi micro cap requirement noted for the listed fitments.
Quality Assurance
CSF manufactures radiators in ISO/TSO-certified facilities and validates cooling performance through laboratory testing, including wind-tunnel evaluation. The brand has produced and supplied radiators for more than 50 years across a broad range of vehicle applications.
| Year | Make | Model | Liters | Cylinders | Position | Notes |
|---|---|---|---|---|---|---|
| 2009 | Lexus | GX470 | 4.7L | V8 | N/A | OE Style Design; Use Micro, 16 psi Cap; 1 Row Plastic Tank Aluminum Core |
| 2009 | Toyota | 4Runner | 4.7L | V8 | N/A | OE Style Design; Use Micro, 16 psi Cap; 1 Row Plastic Tank Aluminum Core |
| 2008 | Lexus | GX470 | 4.7L | V8 | N/A | OE Style Design; Use Micro, 16 psi Cap; 1 Row Plastic Tank Aluminum Core |
| 2008 | Toyota | 4Runner | 4.7L | V8 | N/A | OE Style Design; Use Micro, 16 psi Cap; 1 Row Plastic Tank Aluminum Core |
| 2007 | Lexus | GX470 | 4.7L | V8 | N/A | OE Style Design; Use Micro, 16 psi Cap; 1 Row Plastic Tank Aluminum Core |
| 2007 | Toyota | 4Runner | 4.7L | V8 | N/A | OE Style Design; Use Micro, 16 psi Cap; 1 Row Plastic Tank Aluminum Core |
| 2006 | Lexus | GX470 | 4.7L | V8 | N/A | OE Style Design; Use Micro, 16 psi Cap; 1 Row Plastic Tank Aluminum Core |
| 2006 | Toyota | 4Runner | 4.7L | V8 | N/A | OE Style Design; Use Micro, 16 psi Cap; 1 Row Plastic Tank Aluminum Core |
| 2005 | Lexus | GX470 | 4.7L | V8 | N/A | OE Style Design; Use Micro, 16 psi Cap; 1 Row Plastic Tank Aluminum Core |
| 2005 | Toyota | 4Runner | 4.7L | V8 | N/A | OE Style Design; Use Micro, 16 psi Cap; 1 Row Plastic Tank Aluminum Core |
| 2004 | Lexus | GX470 | 4.7L | V8 | N/A | OE Style Design; Use Micro, 16 psi Cap; 1 Row Plastic Tank Aluminum Core |
| 2004 | Toyota | 4Runner | 4.7L | V8 | N/A | OE Style Design; Use Micro, 16 psi Cap; 1 Row Plastic Tank Aluminum Core |
| 2003 | Lexus | GX470 | 4.7L | V8 | N/A | OE Style Design; Use Micro, 16 psi Cap; 1 Row Plastic Tank Aluminum Core |
| 2003 | Toyota | 4Runner | 4.7L | V8 | N/A | OE Style Design; Use Micro, 16 psi Cap; 1 Row Plastic Tank Aluminum Core |
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