Hyundai Thermostats

Understanding How Thermostats Keep Your Engine Cool

The thermostat is a small but critical component that regulates engine temperature. By controlling coolant flow, it ensures your Hyundai’s engine maintains the right operating temperature for efficiency and longevity. Whether you drive a reliable Hyundai Tucson or another model, the thermostat keeps your powertrain running at peak performance.

How the Thermostat Functions

When your engine is cold, the thermostat stays closed to allow faster warm-up. Once optimal temperature is reached, it opens to circulate coolant through the radiator. If it fails, your engine can overheat or run inefficiently. Replacing your thermostat along with your radiator can prevent costly engine repairs and improve reliability.

Top Benefits of a Properly Working Thermostat

  • Maintains consistent engine temperature.
  • Prevents overheating and performance loss.
  • Improves heater operation in cold weather.
  • Ensures optimal fuel efficiency.
  • Protects internal engine components from wear.

Basic Maintenance Tips for Thermostats

  1. Check coolant levels regularly to avoid overheating.
  2. Replace the thermostat during cooling system service.
  3. Inspect for leaks or rust around the housing.
  4. Use OEM coolant for proper flow and protection.
  5. Flush the system periodically to remove buildup.

Related Parts to Check

  • Radiator: Cools the engine by dissipating heat.
  • Water pump: Circulates coolant through the engine.
  • Temperature sensor: Monitors coolant temperature.
  • Coolant reservoir: Stores excess coolant safely.
  • Heater core: Transfers heat to the cabin air.

Need genuine Hyundai parts? For factory-built performance and lasting reliability, contact OEM Hyundai Parts. We guarantee authentic Hyundai thermostats for precise fit and dependable performance.

256223C661 - : Engine Coolant Thermostat Housing for Hyundai Image

Engine Coolant Thermostat Housing

Hyundai 25622-3C661
$94.78
MSRP $132.94
Save $38.16
28.7% Off
256202GTC0 - : Engine Coolant Thermostat Housing for Hyundai Image

Engine Coolant Thermostat Housing

Hyundai 25620-2GTC0
$103.05
MSRP $144.53
Save $41.48
28.7% Off
2561135010 - : Engine Coolant Thermostat Housing for Hyundai Image

Engine Coolant Thermostat Housing

Hyundai 25611-35010
$23.54
MSRP $33.02
Save $9.48
28.7% Off
256233C660 - : Engine Coolant Thermostat Housing for Hyundai Image

Engine Coolant Thermostat Housing

Hyundai 25623-3C660
To 12/30/2008.
$75.41
MSRP $105.76
Save $30.35
28.7% Off
256203FAA1 - : Engine Coolant Thermostat Kit for Hyundai Image

Engine Coolant Thermostat Kit

Hyundai 256203faa1
G90. 5.0L. G80. Incl.Housing and Thermostat.
Not For Sale
2563126835 - : Engine Coolant Thermostat Housing for Hyundai Image

Engine Coolant Thermostat Housing

Hyundai 25631-26835
$37.88
MSRP $53.13
Save $15.25
28.7% Off
2562026845 - : Engine Coolant Thermostat Housing for Hyundai Image

Engine Coolant Thermostat Housing

Hyundai 25620-26845
$66.06
MSRP $92.65
Save $26.59
28.7% Off
2562026020 - : Engine Coolant Thermostat Housing for Hyundai Image

Engine Coolant Thermostat Housing

Hyundai 25620-26020
To 06/29/2000.
$64.80
MSRP $90.89
Save $26.09
28.7% Off
256422GTA0 - : Engine Coolant Thermostat Gasket for Hyundai Image

Engine Coolant Thermostat Gasket

Hyundai 25642-2GTA0
2.0L turbo, main. Elantra N. Kona N.
$5.72
MSRP $7.56
Save $1.84
24.3% Off
1140308856K - : Thermostat Unit Mount Bolt for Hyundai Image

Thermostat Unit Mount Bolt

Hyundai 11403-08856-K
2.4L. 2.0L turbo, main.
$2.66
MSRP $3.52
Save $0.86
24.4% Off
256403L300 - : Engine Coolant Thermostat Gasket for Hyundai Image

Engine Coolant Thermostat Gasket

Hyundai 25640-3L300
Palisade.
$9.35
MSRP $12.35
Save $3.00
24.3% Off
256213C660 - : Engine Coolant Thermostat Housing for Hyundai Image

Engine Coolant Thermostat Housing

Hyundai 25621-3C660
$95.93
MSRP $134.55
Save $38.62
28.7% Off

No results found for "thermostat". Here are some helpful search tips:

  • Search by a part name. Example: water pump.
  • Be less specific. Example: brake instead of ceramic brake.
  • Remove information such as make, year or model.
  • Can't find the part you are looking for? Contact us and we'll find it for you!