Part #: 3754

CSF 3754 Radiator

⚙️ 5 vehicles fit this part
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OE Direct Replacement — Bolt-on fit, no modifications needed
🚗Fitment: Hyundai, Sonata
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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.

BrandCSF
Part Number3754
Core Thickness1 1/4
Core Width18 5/16
Core MaterialAluminum
Tank MaterialPlastic
Core Length17 11/16
Inlet Diameter1 3/8 left
Outlet Diameter1 3/8 right
Down Flow Or Cross Flow TypeCross flow
Radiator Core Row Quantity1
Cap IncludedNo
Box Height (in)6 7/8
Box Length (in)26 5/16
Box Weight (lbs)10
Box Width (in)23 15/16
Csf Cap Number4503
Hazardous MaterialNo
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 NoteO.e.m. style plastic tanks & aluminum core;with quick-connect out

This part fits 5 vehicles. Search below:

YearMakeModelLitersCylindersPositionNotes
2019HyundaiSonata2.0LL4N/A
2018HyundaiSonata2.0LL4N/A
2017HyundaiSonata2.0LL4N/A
2016HyundaiSonata2.0LL4N/A
2015HyundaiSonata2.0LL4N/A

* Always verify fitment with your vehicle's VIN if unsure. Submodel & trim restrictions may apply.

This part directly replaces or is cross-referenced with the following part numbers:

1350625310-C2100HY3010197

Cross-reference numbers are provided for identification purposes only. Always confirm fitment before ordering.