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CSF 3911 Radiator
| Brand | CSF 3911 |
|---|---|
| Core Thickness | 5/8 |
| Core Width | 18 5/16 |
| Core Material | Aluminum |
| Tank Material | Plastic |
| Core Length | 26 3/8 |
| Inlet Diameter | 1 3/8 right |
| Outlet Diameter | 1 3/8 left |
| Down Flow Or Cross Flow Type | Cross flow |
| Radiator Core Row Quantity | 1 |
| Cap Included | No |
| Box Height (in) | 5 7/8 |
| Box Length (in) | 35 3/16 |
| Box Weight (lbs) | 9 |
| Box Width (in) | 24 15/16 |
| Hazardous Material | No |
| Inlet Length (in) | 19 |
| Inlet Width (in) | 1 9/16 |
| Oil Cooler (in) | No |
| Outlet Length (in) | 19 |
| Outlet Width (in) | 1 9/16 |
| Tech Note | Oem style plastic tank & aluminum core. 100% oem style offset co |
| Fits | Hyundai and Kia · 4 vehicles |
OEM-style design. Plastic tank and aluminum core construction matches the original layout.
Cross-flow radiator. Engineered for efficient coolant flow and cooling performance.
Wind tunnel tested. Validated in lab testing for cooling performance.
Cross-references BBB Industries 13777, 25310-C5800 and HY3010219 for the same application. See all 3.
Will it fit your vehicle?
Free return shipping if it doesn't fit.
OE-Style Radiator for Hyundai and Kia
CSF 3911 is an OE-style replacement radiator built with a plastic tank and aluminum core for direct-fit cooling service. It is engineered for the 2019-2020 Hyundai Santa Fe and 2019-2020 Kia Sorento, with a cross-flow layout that matches the original application.
Key Features
- OE-style plastic tank and aluminum core construction
- 100% OEM-style offset core design
- Cross-flow radiator layout
- Single-row core design
- Inlet and outlet sizes: 1 3/8 in. right inlet, 1 3/8 in. left outlet
- Core dimensions: 26 3/8 in. length, 18 5/16 in. width, 5/8 in. thickness
Detailed Description
CSF part number 3911 is designed as a direct replacement radiator for select Hyundai Santa Fe and Kia Sorento models. The aluminum core and plastic tank construction follows an OE-style layout, while the offset core design supports factory-style fitment and cooling system alignment. CSF manufactures radiators to high-performance standards and validates cooling performance through laboratory wind tunnel testing.
This part cross-references BBB Industries 13777 for the same application.
What This Radiator Helps Address
- Coolant temperature rise from a worn or restricted radiator
- Leaks caused by aging plastic tanks or core seams
- Reduced heat transfer from internal blockage or corrosion
- Fitment issues when replacing a damaged OE radiator
- Cooling system service needs on 2019-2020 Hyundai Santa Fe and Kia Sorento
Installation Notes and Tips
Verify inlet and outlet orientation before installation: the inlet is on the right and the outlet is on the left. Confirm core dimensions and hose routing against the original radiator before assembly. Cap is not included, and this radiator does not include an oil cooler.
Quality Assurance
CSF has produced radiators for more than 50 years and supplies a wide range of applications across major vehicle brands. Manufacturing is supported by ISO/TSO-certified factories and performance validation testing for cooling efficiency.
| Year | Make | Model | Liters | Cylinders | Position | Notes |
|---|---|---|---|---|---|---|
| 2020 | Hyundai | Santa Fe | 2.4L | L4 | N/A | OE style design ensures optimal fitment and performance. |
| 2020 | Kia | Sorento | 2.4L | L4 | N/A | OE style design ensures optimal fitment and performance. |
| 2019 | Hyundai | Santa Fe | 2.4L | L4 | N/A | OE style design ensures optimal fitment and performance. |
| 2019 | Kia | Sorento | 2.4L | L4 | N/A | OE style design ensures optimal fitment and performance. |
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