How to replace a thermostat in a cooling system?

To replace the thermostat, disconnect the battery, drain the cooling system, and detach the hose. Inspect the thermostat cover inlet, remove if damaged, remove the cover, note the thermostat's position, and remove it. To install the thermostat, clean the gasket surfaces, install the new thermostat, apply RTV sealant to the gasket, reattach the cover and hose, and fill up the cooling system.

Genuine Hyundai Elantra Thermostat

Engine Coolant Thermostat

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15 Thermostats found

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Hyundai Elantra Thermostat Assembly
Part Number: 25500-2E085
$105.49 MSRP: $143.23
You Save: $37.74 (27%)

Add to Cart
Product Specifications
- Other Name: Thermostat, Thermostat Outlet
- Warranty: This genuine part is guaranteed by Hyundai's factory warranty.
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Fits the following Vehicles:
- 2016-2020 Hyundai Elantra | DOHC - MPI | Sedan - 4Door 5P
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Hyundai Elantra Thermostat Assembly
Part Number: 25500-23010
$33.23 MSRP: $45.42
You Save: $12.19 (27%)

Add to Cart
Product Specifications
- Other Name: Thermostat
- Manufacturer Note: 82'C
- Replaces: 25500-23001
- Warranty: This genuine part is guaranteed by Hyundai's factory warranty.
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Fits the following Vehicles:
- 1995-2010 Hyundai Elantra | High Grade, Middle Grade | DOHC - MPI | 4 Door, 4 Door Sedan, 5 Door Sedan, 5 Door Wagon 5, Sedan - 4Door 5P
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Hyundai Elantra Thermostat Assembly
Part Number: 25500-2E000
$19.32 MSRP: $25.58
You Save: $6.26 (25%)

Add to Cart
Product Specifications
- Other Name: Thermostat
- Warranty: This genuine part is guaranteed by Hyundai's factory warranty.
View More
Fits the following Vehicles:
- 2019-2020 Hyundai Elantra | DOHC - MPI | Sedan - 4Door 5P
- 2011-2015 Hyundai Elantra | DOHC - GDI, DOHC - MPI | Coupe - 2Door 5P, Sedan - 4Door 5P
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Hyundai Elantra Thermostat Assembly
Part Number: 25500-2B000
$20.35 MSRP: $26.95
You Save: $6.60 (25%)

Add to Cart
Product Specifications
- Other Name: Thermostat
- Replaces: 25500-2B400
- Warranty: This genuine part is guaranteed by Hyundai's factory warranty.
View More
Fits the following Vehicles:
- 2016-2020 Hyundai Elantra | DOHC - TCI/GDI | Sedan - 4Door 5P
View related parts
Hyundai Elantra Thermostat Assembly
Part Number: 25500-23001
$33.23 MSRP: $45.42
You Save: $12.19 (27%)

Add to Cart
Product Specifications
- Manufacturer Note: 82'C
- Replaced by: 25500-23010
- Warranty: This genuine part is guaranteed by Hyundai's factory warranty.
View More
Fits the following Vehicles:
- 1995-2010 Hyundai Elantra | High Grade, Middle Grade | DOHC - MPI | 4 Door, 4 Door Sedan, 5 Door Sedan, 5 Door Wagon 5, Sedan - 4Door 5P
View related parts
Hyundai Elantra THERMOSTAT
Part Number: 97143-2D010
$45.76 MSRP: $60.60
You Save: $14.84 (25%)

Add to Cart
Product Specifications
- Replaces: 97143-2D000
- Warranty: This genuine part is guaranteed by Hyundai's factory warranty.
View More
Fits the following Vehicles:
- 2000-2006 Hyundai Elantra | High Grade, Middle Grade | 4 Door Sedan, 5 Door Sedan
View related parts
Hyundai Elantra Thermostat Assembly
Part Number: 25500-03HB0
$20.35 MSRP: $26.95
You Save: $6.60 (25%)

Add to Cart
Product Specifications
- Other Name: Thermostat
- Warranty: This genuine part is guaranteed by Hyundai's factory warranty.
View More
Fits the following Vehicles:
- 2021-2023 Hyundai Elantra | DOHC - GDI | Sedan - 4Door 5P
View related parts
Hyundai Elantra Thermostat Assembly
Part Number: 25500-03850
$19.74 MSRP: $26.15
You Save: $6.41 (25%)

Add to Cart
Product Specifications
- Other Name: Thermostat
- Warranty: This genuine part is guaranteed by Hyundai's factory warranty.
View More
Fits the following Vehicles:
- 2016-2020 Hyundai Elantra | DOHC - TCI/GDI | Sedan - 4Door 5P
View related parts
Hyundai Elantra Thermostat Assembly
Part Number: 25500-33020
$22.18 MSRP: $29.37
You Save: $7.19 (25%)

Add to Cart
Product Specifications
- Manufacturer Note: 88'C
- Replaced by: 25500-33060
- Warranty: This genuine part is guaranteed by Hyundai's factory warranty.
View More
Fits the following Vehicles:
- 1991-1995 Hyundai Elantra | High Grade, Middle Grade | 4 Door
View related parts
Hyundai Elantra Thermostat Assembly
Part Number: 25500-33040
$22.18 MSRP: $29.37
You Save: $7.19 (25%)

Add to Cart
Product Specifications
- Manufacturer Note: 88'C
- Replaced by: 25500-33060
- Warranty: This genuine part is guaranteed by Hyundai's factory warranty.
View More
Fits the following Vehicles:
- 1991-1995 Hyundai Elantra | High Grade, Middle Grade | 4 Door
View related parts
Hyundai Elantra Thermostat Assembly
Part Number: 25500-33050
$22.18 MSRP: $29.37
You Save: $7.19 (25%)

Add to Cart
Product Specifications
- Replaced by: 25500-33060
- Warranty: This genuine part is guaranteed by Hyundai's factory warranty.
View More
Fits the following Vehicles:
- 1991-1995 Hyundai Elantra | High Grade, Middle Grade | 4 Door
View related parts
Hyundai Elantra THERMOSTAT
Part Number: 97635-23000
$41.39 MSRP: $54.81
You Save: $13.42 (25%)

Add to Cart
Product Specifications
- Warranty: This genuine part is guaranteed by Hyundai's factory warranty.
View More
Fits the following Vehicles:
- 1991-1995 Hyundai Elantra | High Grade, Middle Grade | 4 Door
View related parts
Hyundai Elantra THERMOSTAT
Part Number: 97180-2D000
$44.02 MSRP: $58.29
You Save: $14.27 (25%)

Add to Cart
Product Specifications
- Replaced by: 97180-2D011
- Warranty: This genuine part is guaranteed by Hyundai's factory warranty.
View More
Fits the following Vehicles:
- 2000-2006 Hyundai Elantra | High Grade | 4 Door Sedan
View related parts
Hyundai Elantra THERMOSTAT
Part Number: 97180-2D010
$44.02 MSRP: $58.29
You Save: $14.27 (25%)

Add to Cart
Product Specifications
- Replaced by: 97180-2D011
- Warranty: This genuine part is guaranteed by Hyundai's factory warranty.
View More
Fits the following Vehicles:
- 2000-2006 Hyundai Elantra | High Grade | 4 Door Sedan
View related parts
Hyundai Elantra THERMOSTAT
Part Number: 97143-2D000
$45.76 MSRP: $60.60
You Save: $14.84 (25%)

Add to Cart
Product Specifications
- Replaced by: 97143-2D010
- Warranty: This genuine part is guaranteed by Hyundai's factory warranty.
View More
Fits the following Vehicles:
- 2000-2006 Hyundai Elantra | High Grade, Middle Grade | 4 Door Sedan, 5 Door Sedan

Hyundai Elantra Thermostat Parts Questions & Answers

Thermostat Assembly
25500-23001
Q: How to replace a thermostat in a cooling system?
A: To replace the thermostat, disconnect the battery, drain the cooling system, and detach the hose. Inspect the thermostat cover inlet, remove if damaged, remove the cover, note the thermostat's position, and remove it. To install the thermostat, clean the gasket surfaces, install the new thermostat, apply RTV sealant to the gasket, reattach the cover and hose, and fill up the cooling system.

Related Hyundai Elantra Parts

About Hyundai Elantra Thermostat

Of all the high-precision auto parts within a Hyundai car, the most important one is the Hyundai Elantra Thermostat. Keeping your Elantra Thermostat in top condition is critical to keeping your vehicle running smoothly. By buying a new replacement part, you can save hundreds, even thousands of dollars in costly auto repairs later down the road.