Description

25631-2E100 FITTING ASSY: Cooling Guide

Reliable Coolant Intake | Elantra, Tucson & Forte 2.0L

The 25631-2E100 FITTING ASSY is the essential engine component designed to restore the cooling integrity of your Hyundai or Kia Nu engine. This unit ensures maximum coolant flow efficiency and superior structural integrity.

Vehicle Compatibility

  • Hyundai Elantra: 1.8L / 2.0L (2011-2018)
  • Hyundai Tucson: 2.0L Nu Models
  • Kia Forte: 1.8L / 2.0L (2014-2018)
  • Engine: Nu MPi / GDi
  • Part Number: 25631-2E100

25631-2E100 FITTING ASSY Specs

  • Type: Coolant Inlet Fitting
  • Material: High-Strength Alloy/Composite
  • Connection: OE-Spec Hose Barb
  • Location: Engine Block Side Intake
  • Standard: OE Precision Grade

Cooling System Maintenance Benefits

Choosing the correct replacement part is vital for preventing engine failure due to sudden coolant loss. Using a premium 25631-2E100 FITTING 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 coolant inlet fitting 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 fitting?
It serves as the main intake point for coolant entering the engine, providing a stabilized mounting point for the radiator hose.
Which vehicles utilize the 25631-2E100 FITTING ASSY?

It is standard fitment for many 1.8L and 2.0L Nu engines found in the Hyundai Elantra (MD/AD), Hyundai Tucson (TL), and Kia Forte (YD).

What are the symptoms of a failing coolant inlet fitting?

Common signs include visible dried coolant residue (white or pink) around the fitting base, low coolant warnings, or persistent overheating.

Is this component a direct replacement for the original part?

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

Why should I replace the fitting instead of just using sealant?
Over time, the mounting flange can warp or develop micro-pitting; replacing the 25631-2E100 FITTING ASSY ensures a permanent, leak-free seal that sealant cannot provide.

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