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CSF 3915 Radiator
| Brand | CSF 3915 |
|---|---|
| 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 |
| Radiator Core Row Quantity | 1 |
| Cap Included | No |
| Box Height (in) | 5 11/16 |
| Box Length (in) | 33 5/8 |
| Box Weight (lbs) | 8 |
| Box Width (in) | 19 13/16 |
| Hazardous Material | No |
| Inlet Length (in) | 11 15/16 |
| Inlet Width (in) | 1 9/16 |
| Oil Cooler (in) | No |
| Outlet Length (in) | 11 15/16 |
| Outlet Width (in) | 1 9/16 |
| Tech Note | O.e.m. style plastic tank & aluminum core. |
| Fits | Hyundai and Kia · 6 vehicles |
OE-style design. Plastic tank and aluminum core construction matches the original layout.
Cross-flow radiator. Engineered for efficient cooling performance.
Wind tunnel tested. Validated in the lab for cooling performance.
Cross-references BBB Industries 13844, 25310-J3450 and HY3010221 for the same application. See all 3.
CSF 3915 Radiator Overview
The CSF 3915 radiator is an OE-style replacement built with an aluminum core and plastic tanks for direct-fit cooling performance. It is engineered for the 2020-2022 Kia Soul and 2019-2021 Hyundai Veloster applications listed below, including upgraded heavy-duty coverage for select models.
Key Features
- Aluminum core with plastic tank construction
- Cross-flow radiator design
- 1-row core layout
- Core thickness: 1 1/4 in.
- Inlet: 1 3/8 in. left; outlet: 1 3/8 in. right
- OE-style plastic tank and aluminum core design
- Wind tunnel tested for cooling performance validation
- Manufactured by CSF, part number 3915
Detailed Description
CSF part number 3915 is designed as an OE-style radiator replacement for modern compact vehicles that need consistent heat rejection and factory-style fitment. The aluminum core helps transfer heat efficiently, while the plastic tank construction follows the original equipment layout for the Kia Soul and Hyundai Veloster applications shown here. CSF has long-standing radiator manufacturing experience and validates cooling performance through laboratory testing, supporting dependable thermal control in everyday driving conditions.
This radiator cross-references BBB Industries 13844 for the same application. It is a direct replacement choice for 2020-2022 Kia Soul and 2019-2021 Hyundai Veloster cooling system service where the original radiator is damaged, leaking, or no longer maintaining proper operating temperature.
Vehicle Fitment
- Fits 2020-2022 Kia Soul, N/A. Upgraded Heavy Duty Core. 15% Thicker 30mm vs OEM 26mm
- Fits 2021 Hyundai Veloster, N/A. Upgraded Heavy Duty Core. 15% Thicker 30mm vs OEM 26mm
- Fits 2019-2020 Hyundai Veloster, N/A. OE style design ensures optimal fitment and performance.
Common Cooling System Issues
- Radiator leaks from aging plastic tanks or core damage
- Engine temperature running higher than normal
- Reduced cooling efficiency in stop-and-go driving
- Physical damage from road debris or front-end impact
- Cooling system service on a Kia Soul or Hyundai Veloster with OE-style fitment requirements
Installation Notes and Tips
Verify inlet and outlet orientation before installation: inlet is 1 3/8 in. left and outlet is 1 3/8 in. right. Confirm radiator dimensions and hose routing against the original unit before removal. This radiator does not include a cap. Flush the cooling system, inspect hoses and clamps, and refill with the correct coolant specification after installation.
Quality Assurance
CSF manufactures radiators to high-performance standards and uses laboratory testing to validate cooling performance. The brand’s ISO/TSO-certified factories and broad OE-style radiator catalog support consistent production quality for applications such as the Kia Soul and Hyundai Veloster.
| Year | Make | Model | Liters | Cylinders | Position | Notes |
|---|---|---|---|---|---|---|
| 2022 | Kia | Soul | 1.6L | L4 | N/A | Upgraded Heavy Duty Core. 15% Thicker 30mm vs OEM 26mm |
| 2021 | Hyundai | Veloster | 1.6L | L4 | N/A | Upgraded Heavy Duty Core. 15% Thicker 30mm vs OEM 26mm |
| 2021 | Kia | Soul | 1.6L | L4 | N/A | Upgraded Heavy Duty Core. 15% Thicker 30mm vs OEM 26mm |
| 2020 | Hyundai | Veloster | 1.6L | L4 | N/A | OE style design ensures optimal fitment and performance. |
| 2020 | Kia | Soul | 1.6L | L4 | N/A | Upgraded Heavy Duty Core. 15% Thicker 30mm vs OEM 26mm |
| 2019 | Hyundai | Veloster | 1.6L | L4 | N/A | OE style design ensures optimal fitment and performance. |
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