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CSF 3930 Radiator
| Brand | CSF 3930 |
|---|---|
| Core Thickness | 1 1/4 |
| Core Width | 11 5/16 |
| Core Material | Aluminum |
| Tank Material | Plastic |
| Core Length | 25 9/16 |
| Inlet Diameter | 1 3/8 left |
| Outlet Diameter | 1 3/8 right |
| Down Flow Or Cross Flow Type | Cross flow |
| Box Height (in) | 6 7/16 |
| Box Length (in) | 35 15/16 |
| Box Weight (lbs) | 9 |
| Box Width (in) | 19 |
| Hazardous Material | No |
| Inlet Length (in) | 11 15/16 |
| Inlet Width (in) | 1 9/16 |
| No. Of Rows | 1 |
| Oil Cooler (in) | No |
| Outlet Length (in) | 11 15/16 |
| Outlet Width (in) | 1 9/16 |
| Radiator Cap Supplied | No |
| Tech Note | O.e.m. style plastic tank & aluminum core. |
| Fits | Hyundai · 6 vehicles |
OE-style design. Plastic tank and aluminum core construction.
Cross-flow layout. Engineered for efficient cooling performance.
ISO/TSO certified. Built in certified factories and tested for validation.
Cross-references Dorman - HELP 13894 and 25310-AA400 for the same application. See all 2.
OE-Style Radiator for Hyundai Elantra
CSF 3930 is an OE-style radiator built with an aluminum core and plastic tanks for direct replacement cooling performance. It is engineered for the 2021-2026 Hyundai Elantra and uses a cross-flow design with left-side inlet and right-side outlet connections.
Key Features
- Fits 2021-2026 Hyundai Elantra, N/A
- Aluminum core with plastic tank construction
- Cross-flow radiator design
- Core thickness: 1 1/4 in.
- Single-row core design
- Inlet diameter: 1 3/8 in. left
- Outlet diameter: 1 3/8 in. right
- OE-style plastic tank and aluminum core layout
Detailed Description
CSF part number 3930 is designed for Hyundai Elantra cooling system service where an OE-style radiator replacement is needed. The aluminum core helps transfer heat efficiently, while the plastic tanks match the factory-style construction used on many modern passenger vehicles. With a cross-flow layout, 1 1/4-inch core thickness, and 1 3/8-inch inlet and outlet sizing, this radiator is built around the dimensions and connection points needed for the 2021-2026 Hyundai Elantra. This part cross-references Dorman - HELP 13894 for the same application.
Common Cooling System Issues
- Cracked or leaking radiator tanks
- Corrosion or damage in the radiator core
- Restricted coolant flow from an aging radiator
- Overheating caused by reduced heat dissipation
- Cooling system service after radiator failure
Installation Notes and Tips
Verify inlet and outlet orientation before installation, especially on cross-flow applications. Confirm radiator dimensions, hose connection sizes, and mounting points against the original unit before removal. Replace coolant with the correct specification for the vehicle and inspect hoses, clamps, and related cooling components during service. Fits 2021-2026 Hyundai Elantra, N/A.
Quality Assurance
CSF states that its manufacturing facilities are ISO/TSO certified and that its radiators are engineered and wind-tunnel tested for cooling performance validation. The brand has supplied radiators worldwide for decades and manufactures a broad range of applications, including OE-style replacements like CSF 3930.
| Year | Make | Model | Liters | Cylinders | Position | Notes |
|---|---|---|---|---|---|---|
| 2026 | Hyundai | Elantra | 1.6L | L4 | N/A | — |
| 2025 | Hyundai | Elantra | 1.6L | L4 | N/A | — |
| 2024 | Hyundai | Elantra | 1.6L | L4 | N/A | — |
| 2023 | Hyundai | Elantra | 1.6L | L4 | N/A | — |
| 2022 | Hyundai | Elantra | 1.6L | L4 | N/A | — |
| 2021 | Hyundai | Elantra | 1.6L | L4 | N/A | — |
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