CSF 3754 Radiator

Brand CSF 3754
Core Thickness 1 1/4
Core Width 18 5/16
Core Material Aluminum
Tank Material Plastic
Core Length 17 11/16
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) 6 7/8
Box Length (in) 26 5/16
Box Weight (lbs) 10
Box Width (in) 23 15/16
Csf Cap Number 4503
Hazardous Material No
Inlet Length (in) 19
Inlet Width (in) 1 9/16
Oil Cooler (in) 12 (high-efficiency plate type)
Outlet Length (in) 19
Outlet Width (in) 1 9/16
Tech Note O.e.m. style plastic tanks & aluminum core;with quick-connect out
Fits Hyundai · 5 vehicles

OE-style replacement. Plastic tanks and an aluminum core for a straightforward radiator swap.

Cross-flow design. Helps move coolant efficiently through the radiator for steady cooling.

Wind-tunnel tested. Validated for cooling performance in lab testing.

Cross-references Carlson 13506, 25310-C2100 and HY3010197 for the same application. See all 3.

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CSF 3754 Radiator for Hyundai Sonata

CSF 3754 is an OE-style radiator built for 2015-2019 Hyundai Sonata applications. It uses an aluminum core with plastic tanks and a cross-flow layout to match the factory cooling system design.

Key Features

  • Fits 2015-2019 Hyundai Sonata, N/A
  • Aluminum core with plastic tanks
  • Cross-flow radiator design
  • 1-row core construction
  • Core thickness: 1 1/4 in.
  • Inlet diameter: 1 3/8 in. left
  • Outlet diameter: 1 3/8 in. right
  • Includes a high-efficiency plate-type oil cooler
  • Quick-connect outlet pipe design
  • CSF part number 3754

Detailed Description

CSF 3754 is engineered as a direct-fit radiator for the Hyundai Sonata from 2015 through 2019. The unit combines an aluminum core with OEM-style plastic tanks to follow the original cooling system layout, while the cross-flow configuration and 1-row core support efficient coolant circulation. This radiator also includes a high-efficiency plate-type oil cooler and quick-connect outlet pipe, making it a practical replacement for a worn or leaking factory radiator. CSF part number 3754 is built for drivers servicing a Hyundai Sonata cooling system with OE-style dimensions and connections.

CSF manufactures radiators for a wide range of vehicle applications and validates cooling performance through lab testing. The brand’s production background includes ISO/TSO-certified factories and long-term global supply experience, which supports consistent fit and construction across its radiator catalog. This CSF 3754 radiator is a straightforward replacement choice for Hyundai Sonata cooling system service.

Common Problems This Radiator Can Address

  • Coolant leaks from a cracked or aging radiator tank
  • Overheating caused by restricted or inefficient heat transfer
  • Damaged inlet or outlet connections
  • Oil cooler-related radiator service needs
  • Cooling system wear on high-mileage Hyundai Sonata models

Installation Notes and Tips

Verify hose routing, inlet and outlet orientation, and mounting points before installation. This radiator uses a left-side inlet and right-side outlet, with no cap included. Confirm the vehicle’s existing quick-connect outlet pipe setup and compare the original radiator dimensions to the CSF 3754 before installation. This part cross-references Carlson 13506 for the same application.

Quality Assurance

CSF radiators are produced in ISO/TSO-certified factories and are wind-tunnel tested for cooling performance validation. The brand has supplied radiators worldwide for more than 50 years and has manufactured millions of units across its catalog.

This part fits 5 vehicles
Always verify fitment with your vehicle's VIN if unsure. Submodel & trim restrictions may apply.
YearMakeModelLitersCylindersPositionNotes
2019HyundaiSonata2.0LL4N/A—
2018HyundaiSonata2.0LL4N/A—
2017HyundaiSonata2.0LL4N/A—
2016HyundaiSonata2.0LL4N/A—
2015HyundaiSonata2.0LL4N/A—
Directly replaces or cross-references 3 part numbers
Cross-reference numbers are provided for identification purposes only. Always confirm fitment before ordering.
Carlson — 1350625310-C2100HY3010197