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CSF 3931 OE Replacement Radiator

(2020-2023 Hyundai Sonata)

Part of: CSF Radiator

Other options in this family: CSF 3662 CSF 3543 CSF 3866 CSF 3838 CSF 3544

Manufacturer

Part Number

3931
Sale Price

$99.37

In Stock (10+)

delivery box

Usually delivered within 2 days

free shipping

FREE SHIPPING

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No Hassle Returns

No Hassle Returns

Live-in-stock inventory

Live-in-stock inventory

Fitment guaranteed

Fitment guaranteed

Product Details

The CSF 3931 is a high-quality OE-style replacement radiator engineered to meet or exceed original equipment specifications. CSF has been manufacturing precision cooling system components for over 50 years, with more than 30 million units sold worldwide.

Key Features:

  • OEM-specified plastic tank and aluminum core construction for optimal heat dissipation
  • Tanks made from virgin grade engineered plastic resins with glass-filled reinforcement for added strength and durability
  • High-performance multi-louvered fin design for maximum cooling efficiency
  • Special grade EPDM rubber gaskets rated to withstand extreme temperatures down to -120°F
  • Welded tube construction or latest generation B-Tube design
  • 100% leak tested at 150% of operating pressure before leaving the factory
  • Drop-in fit design for straightforward installation
  • Built-in transmission cooler with turbulator when applicable

CSF radiators undergo rigorous quality testing including vibration-cycle testing, thermal-cycle testing, and wind tunnel validation for cooling performance. All components are installed, torqued, and tested during assembly to ensure reliable performance. ISO/TS certified manufacturing facilities ensure consistent quality control.

Products specifications

Fits

2020-2023 Hyundai Sonata

Inlet Length (In)

19

Outlet Length (In)

19

Hazardous Material

No

Box Weight (lbs)

8

Box Width (in)

22 3/8

Oil Cooler (in)

No

Inlet Width (in)

1 9/16

Outlet Width (in)

1 9/16

Tech Note

O.E.M. style Plastic tank & Aluminum core with quick-connect inlet & outlet pipe.

Box Height (in)

5 1/16

Box Length (In)

24 9/16

I was hesitant about buying the product because it was almost a $100 cheaper than a couple other websites. I went ahead and did it and couldn't believe when I got it the next day. I did pay a little extra for shipping but it was totally worth it.

everything is as expected. Cant wait to get my wires.

Great

I don't have a comment

very simple and quick

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