Description

25620-1U500 WARMER A.T.F: Transmission Guide

Optimal Fluid Regulation | Santa Fe & Sorento 6-Speed

The 25620-1U500 WARMER A.T.F is the essential engine component designed to restore the thermal integrity of your Hyundai or Kia automatic transmission system. This professionally engineered unit ensures maximum heat exchange efficiency, providing consistent shift quality and superior structural integrity.

25620-1U500 Fitment Guide

  • Hyundai Santa Fe: 2.4L / 3.3L (2013-2018)
  • Kia Sorento: 2.4L / 3.3L (2014-2015)
  • Transmission: 6-Speed Automatic
  • Fluid Type: ATF SP-IV Specification
  • Part Number: 25620-1U500

Technical Product Specifications

  • Type: Oil-to-Water Heat Exchanger
  • Material: High-Grade Brazed Aluminum
  • Ports: 4-Port Configuration
  • Resistance: High Pressure & Corrosion
  • Standard: OE Precision Grade

Benefits of 25620-1U500 WARMER A.T.F Quality

Choosing the correct replacement part is vital for preventing the “Strawberry Milkshake” engine-coolant cross-contamination that can destroy a transmission in miles. Using a premium 25620-1U500 WARMER A.T.F ensures that your gearbox maintains its factory performance standards, preventing costly full-transmission replacements. We strongly recommend browsing our Transmission Fluids and Antifreeze to ensure a complete and professional cooling system flush.

Check Your Professional Fitment

To ensure this ATF warmer is the perfect fit for your specific Santa Fe or Sorento production date, please contact us for professional verification using your chassis number.


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Note: Original manufacturer names and part numbers are used for compatibility reference only.

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Questions and Answers

What is the primary function of this ATF warmer?
It facilitates a heat exchange between the engine coolant and the transmission fluid to ensure the ATF reaches and stays at the optimal operating temperature.
Which vehicles utilize the 25620-1U500 WARMER A.T.F?
It is a standard fitment for the 2.4L Theta II and 3.3L Lambda engines found in the Hyundai Santa Fe (2013–2018) and Kia Sorento (2014–2015).
What are the symptoms of a failing transmission warmer?
Common signs include transmission fluid mixed with engine coolant (milky appearance), erratic gear shifting, or a transmission overheat warning light.
Is this component a direct replacement for the original part?
Absolutely. This warmer is manufactured to meet exact OE dimensional and pressure-testing specifications for a professional, leak-free installation.
Why is the 25620-1U500 critical for transmission longevity?
Automatic transmissions are highly sensitive to heat; the 25620-1U500 WARMER A.T.F prevents fluid breakdown, ensuring that clutches and gears remain properly lubricated and cooled.

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