Part #: 3911

CSF 3911 Radiator

⚙️ 4 vehicles fit this part
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Select your vehicle to confirm fitment
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OE Direct Replacement — Bolt-on fit, no modifications needed
🚗Fitment: Hyundai and Kia, Santa Fe and Sorento
🔄Easy Returns — Return within 60 days for a full refund
🚚Fast Shipping — Most orders ship same business day before 1pm CST

Overview of CSF Radiator 3911 for Hyundai Santa Fe and Kia Sorento

The CSF Radiator part number 3911 is designed specifically for Hyundai Santa Fe and Kia Sorento models. Featuring a durable aluminum core and plastic tanks, this radiator ensures efficient engine cooling and reliable performance under various driving conditions.

  • Core thickness: 5/8 inch for optimal heat dissipation
  • Core dimensions: 26 3/8 inches length by 18 5/16 inches width
  • Constructed with an aluminum core and plastic tanks for durability and corrosion resistance
  • Cross flow design with one radiator core row for effective coolant flow
  • Inlet and outlet diameters both 1 3/8 inches, positioned right and left respectively
  • OEM style offset construction matching original equipment specifications

Detailed Radiator Specifications and Features

This CSF radiator (part number 3911) incorporates a 5/8 inch thick aluminum core that provides efficient heat transfer while maintaining lightweight characteristics. The core measures 26 3/8 inches in length and 18 5/16 inches in width, offering a substantial surface area for cooling. The plastic tanks are engineered to OEM standards, ensuring compatibility and durability. The radiator features a cross flow design with a single core row, which promotes consistent coolant circulation and temperature regulation. Both the inlet and outlet have a diameter of 1 3/8 inches, with the inlet located on the right and the outlet on the left side, matching the original vehicle setup for Hyundai Santa Fe and Kia Sorento models.

Compatible Vehicles and Common Applications

  • Replacement radiator for Hyundai Santa Fe models requiring part number 3911
  • Suitable for Kia Sorento vehicles needing a cross flow radiator with OEM style plastic tanks
  • Addresses overheating issues caused by worn or damaged radiators
  • Resolves coolant leaks from cracked or corroded radiator cores or tanks
  • Improves engine cooling efficiency in vehicles with reduced radiator performance

Installation Notes and Tips

When installing the CSF radiator 3911, ensure the inlet and outlet hose connections match the 1 3/8 inch diameter specifications and are positioned correctly (inlet on the right, outlet on the left). Verify that the radiator core dimensions fit within the engine bay space of the Hyundai Santa Fe or Kia Sorento. Since the radiator does not include a cap, reuse the existing OEM radiator cap or source a compatible replacement. Properly bleed the cooling system after installation to prevent air pockets and ensure optimal coolant flow.

Quality Assurance and Warranty Information

The CSF radiator 3911 is manufactured to meet OEM standards, featuring a robust aluminum core and plastic tanks designed for durability and corrosion resistance. This radiator is free of hazardous materials and undergoes quality control to ensure reliable performance. While specific warranty details are not provided, CSF products typically adhere to industry quality benchmarks for automotive cooling components.

BrandCSF
Part Number3911
Core Thickness5/8
Core Width18 5/16
Core MaterialAluminum
Tank MaterialPlastic
Core Length26 3/8
Inlet Diameter1 3/8 right
Outlet Diameter1 3/8 left
Down Flow Or Cross Flow TypeCross flow
Radiator Core Row Quantity1
Cap IncludedNo
Box Height (in)5 7/8
Box Length (in)35 3/16
Box Weight (lbs)9
Box Width (in)24 15/16
Hazardous MaterialNo
Inlet Length (in)19
Inlet Width (in)1 9/16
Oil Cooler (in)No
Outlet Length (in)19
Outlet Width (in)1 9/16
Tech NoteOem style plastic tank & aluminum core. 100% oem style offset co

This part fits 4 vehicles. Search below:

YearMakeModelLitersCylindersPositionNotes
2020HyundaiSanta Fe2.4LL4N/AOE style design ensures optimal fitment and performance.
2020KiaSorento2.4LL4N/AOE style design ensures optimal fitment and performance.
2019HyundaiSanta Fe2.4LL4N/AOE style design ensures optimal fitment and performance.
2019KiaSorento2.4LL4N/AOE style design ensures optimal fitment and performance.

* 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:

1377725310-C5800HY3010219

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