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CSF 3755 Radiator
| Brand | CSF 3755 |
|---|---|
| Box Height (in) | 7 7/16 |
| Box Length (in) | 32 1/4 |
| Box Weight (lbs) | 9 |
| Box Width (in) | 23 9/16 |
| Cap Included | No |
| Core Length | 24 5/8 |
| Core Material | Aluminum |
| Core Thickness | 5/8 |
| Core Width | 18 |
| Csf Cap Number | 4503 |
| Down Flow Or Cross Flow Type | Cross Flow |
| Hazardous Material | No |
| Inlet Diameter | 1 3/8 Left |
| Inlet Length (in) | 18 9/16 |
| Inlet Width (in) | 1 |
| Outlet Diameter | 1 3/8 Right |
| Outlet Length (in) | 18 9/16 |
| Outlet Width (in) | 1 |
| Radiator Core Row Quantity | 1 |
| Tank Material | Plastic |
| Tech Note | O.E.M. style Plastic tanks & Aluminum core;with quick-connect outlet pipe. |
| Fits | Hyundai · 5 vehicles |
OEM-style construction. Plastic tanks and an aluminum core with a quick-connect outlet pipe.
Cross-flow design. Engineered for efficient cooling performance validation.
ISO/TSO certified. Built in certified factories and sold worldwide for over 50 years.
Cross-references OSC 13457, 25310C2000 and HY3010194 for the same application. See all 3.
CSF 3755 Radiator for Sonata Cooling Service
The CSF 3755 radiator is an OE-style replacement built for 2015-2019 Hyundai Sonata applications. It uses an aluminum core with plastic tanks and a cross-flow design to match the factory layout and cooling system connections.
For Hyundai Sonata radiator replacement needs, this unit is engineered with a 5/8 in. core thickness, 18 in. core width, and 24 5/8 in. core length. It also features a left-side 1 3/8 in. inlet and right-side 1 3/8 in. outlet, plus a quick-connect outlet pipe for factory-style fitment.
Key Features
- Fits 2015-2019 Hyundai Sonata
- CSF part number 3755
- OE-style plastic tanks with aluminum core
- Cross-flow radiator design
- 1-row core construction
- Left inlet and right outlet configuration
- No radiator cap included
- Quick-connect outlet pipe design
Detailed Description
CSF 3755 is a direct-fit radiator for the Hyundai Sonata that follows the original equipment layout with plastic end tanks and an aluminum cooling core. CSF manufactures radiators to performance-focused standards and validates cooling performance through laboratory wind tunnel testing. This radiator is built for drivers replacing a leaking, clogged, or damaged factory unit while maintaining the correct inlet and outlet orientation for the vehicle.
This part cross-references Hyundai OE 25310C2000 and OSC 13457 for the same application. If you are searching for a Hyundai Sonata radiator replacement, CSF 3755 provides the correct dimensions and connection style for 2015-2019 models.
Common Problems This Radiator Can Address
- Coolant leaks from cracked tanks or damaged seams
- Overheating caused by restricted coolant flow
- Corrosion or internal buildup in the original radiator
- Physical damage from road debris or front-end impact
- Cooling system service on a worn factory radiator
Installation Notes and Tips
Verify inlet and outlet orientation before installation: this radiator uses a left inlet and right outlet layout. Confirm the vehicle’s factory connections, hose routing, and mounting points match the OE-style design before final assembly. The radiator cap is not included, so reuse or replace the cap separately as needed.
Quality Assurance
CSF radiators are manufactured in ISO/TSO-certified facilities and built for global OE-style cooling applications. The brand has supplied radiators worldwide for decades and uses engineering validation methods to support cooling performance consistency.
| Year | Make | Model | Liters | Cylinders | Fuel Type | Position | Notes |
|---|---|---|---|---|---|---|---|
| 2019 | Hyundai | Sonata | 2.4L | L4 | — | N/A | — |
| 2018 | Hyundai | Sonata | 2.4L | L4 | — | N/A | — |
| 2017 | Hyundai | Sonata | 2.4L | L4 | — | N/A | — |
| 2016 | Hyundai | Sonata | 2.4L | L4 | — | N/A | — |
| 2015 | Hyundai | Sonata | 2.4L | L4 | GAS | N/A | — |
| No rows match your filter. | |||||||