Description

25620-2G600 HOUSING ASSY: Technical Guide

Reliable Thermal Management | Sonata, Santa Fe & Optima

The 25620-2G600 HOUSING ASSY is the essential engine component designed to restore the thermal integrity of your Hyundai or Kia cooling system. This unit ensures maximum heat exchange efficiency and superior structural integrity.

Vehicle Compatibility

  • Hyundai Sonata: 2.0L / 2.4L (2011-2016)
  • Hyundai Santa Fe: 2.4L Theta II
  • Kia Optima: 2.4L (2011-2015)
  • Engine: Theta II GDI / MPI
  • Part Number: 25620-2G600

25620-2G600 HOUSING ASSY Specs

  • Type: Thermostat Housing Assembly
  • Material: Reinforced Heat-Resistant Polymer
  • Ports: Multi-Port Coolant Interface
  • Standard: OE Precision Grade
  • Location: Upper Engine Block Outlet

Cooling System Maintenance Benefits

Choosing the correct replacement part is vital for preventing engine failure due to sudden coolant loss. Using a premium 25620-2G600 HOUSING ASSY ensures that your engine receives a steady supply of coolant. We strongly recommend browsing our Cooling System Components and Engine Spares to ensure a complete and professional vehicle service.

Confirm Professional Fitment

To ensure this thermostat housing is the perfect fit for your specific vehicle, please contact us for professional verification using your chassis number.


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Note: Original manufacturer part numbers are for identification and compatibility reference purposes only.

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Questions and Answers

What is the primary function of this housing?

It houses the thermostat and acts as the central junction for several coolant hoses, directing fluid to the radiator once the engine reaches operating temperature.

Which vehicles utilize the 25620-2G600 HOUSING ASSY?

It is standard fitment for the 2.0L and 2.4L Theta II engines found in the Hyundai Sonata (YF/LF), Santa Fe, and Kia Optima (TF/JF).

What are the symptoms of a failing thermostat housing assembly?

Common signs include visible coolant pooling on top of the transmission, dried pink or green residue near the housing seams, or a "Low Coolant" warning light.

Is this component a direct replacement for the original part?

Absolutely. This unit is manufactured to meet exact OE dimensional standards, ensuring that mounting bolts and hose diameters align perfectly for a leak-free fit.

Why should I replace the entire assembly instead of just the gasket?

Modern composite housings can warp or develop hairline cracks over time; replacing the 25620-2G600 HOUSING ASSY provides a more permanent and professional repair than just a seal.


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