How to replace a thermostat in a cooling system on Hyundai Accent?

To replace the thermostat, remove the housing cover, note the installation, remove the thermostat, clean the gasket surfaces, and install the new thermostat. Apply sealant to the new gasket, reassemble, refill the cooling system, and check for leaks. For DOHC models, remove the battery and air filter housing, disconnect the radiator hose, remove the thermostat housing bolts and old gasket, note the old thermostat's installation, remove it, install the new one with the jiggle valve up, and reassemble.

Genuine Hyundai Accent Thermostat

Engine Coolant Thermostat

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6 Thermostats found

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Hyundai Accent Thermostat Assembly
Part Number: 25500-23010
$42.92 MSRP: $59.77
You Save: $16.85 (29%)
Ships in 1-3 Business Days
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Product Specifications
- Other Name: Thermostat
- Manufacturer Note: 82'C
- Replaces: 25500-23001
- Warranty: This genuine part is guaranteed by Hyundai's factory warranty.
Fits the following Vehicles:
- 1994-2011 Hyundai Accent | High Grade, Low Grade, Middle Grade | DOHC - MPI | 3 Door, 3 Door Sedan, 4 Door, 4 Door Sedan, Sedan - 3Door 5P, Sedan - 4Door 5P
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Hyundai Accent Thermostat Assembly
Part Number: 25500-2B000
$25.55 MSRP: $35.58
You Save: $10.03 (29%)
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Product Specifications
- Other Name: Thermostat
- Replaces: 25500-2B400
- Warranty: This genuine part is guaranteed by Hyundai's factory warranty.
Fits the following Vehicles:
- 2011-2022 Hyundai Accent | DOHC - GDI | Sedan - 4Door 5P, Sedan - 5Door 5P
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Hyundai Accent Thermostat Assembly
Part Number: 25500-26100
$29.19 MSRP: $40.66
You Save: $11.47 (29%)
Ships in 1-3 Business Days
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Product Specifications
- Other Name: Thermostat
- Warranty: This genuine part is guaranteed by Hyundai's factory warranty.
Fits the following Vehicles:
- 2006-2011 Hyundai Accent | DOHC - MPI | Sedan - 3Door 5P, Sedan - 4Door 5P
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Hyundai Accent Thermostat Assembly
Part Number: 25500-23001
$42.92 MSRP: $59.77
You Save: $16.85 (29%)
Ships in 1-3 Business Days
ADD TO CART
Product Specifications
- Manufacturer Note: 82'C
- Replaced by: 25500-23010
- Warranty: This genuine part is guaranteed by Hyundai's factory warranty.
Fits the following Vehicles:
- 1994-2011 Hyundai Accent | High Grade, Low Grade, Middle Grade | DOHC - MPI | 3 Door, 3 Door Sedan, 4 Door, 4 Door Sedan, Sedan - 3Door 5P, Sedan - 4Door 5P
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Hyundai Accent Thermostat Assembly
Part Number: 25500-22600
$30.35 MSRP: $42.27
You Save: $11.92 (29%)
Ships in 1-3 Business Days
ADD TO CART
Product Specifications
- Other Name: Thermostat
- Warranty: This genuine part is guaranteed by Hyundai's factory warranty.
Fits the following Vehicles:
- 1999-2006 Hyundai Accent | Low Grade, Middle Grade | 3 Door Sedan, 4 Door Sedan
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Hyundai Accent Thermostat Assembly
Part Number: 25500-22250
$29.60 MSRP: $41.23
You Save: $11.63 (29%)
Ships in 1-3 Business Days
ADD TO CART
Product Specifications
- Other Name: Thermostat
- Manufacturer Note: 88'C
- Replaces: 25500-22050
- Warranty: This genuine part is guaranteed by Hyundai's factory warranty.
Fits the following Vehicles:
- 1994-1999 Hyundai Accent | High Grade, Low Grade, Middle Grade | 3 Door, 4 Door

Hyundai Accent Thermostat

The Hyundai Accent Thermostat keeps engine heat in the sweet spot so the car runs smoothly and efficiently. Positioned near the radiator, this valve stays shut during warm up, circulating coolant inside the block until wax in the sensing pellet expands, then it opens so coolant reaches the radiator, avoiding overheating. Every Hyundai since the first Accent generation has applied this wax pellet style, favored for its simple moving parts and quick reaction to temperature changes. Earlier mechanical designs like bimetallic strip units guided home furnaces, but the automotive wax pellet Thermostat delivers tighter control for the compact Hyundai engine bay. No major switch to electronic or communicating varieties has appeared in the Accent line, so drivers still enjoy a reliable, self contained Thermostat that needs no external power or programming. The main difference found over the years lies only in opening temperature ratings, meaning one Accent model may open at 180°F while another Hyundai sibling opens a few degrees later, yet each Thermostat follows the same robust wax driven mechanism to balance warm up speed with cooling capacity. When a Thermostat fails it usually sticks open or closed, signaling the need for replacement through temperature swings.

If you are looking for affordable high-quality OEM Hyundai Accent Thermostat, then you have come to the prime place. Our website provides a large amount of genuine Hyundai Accent Thermostat at unbeatable prices. All our parts come backed with the manufacturer's warranty.

Hyundai Accent Thermostat Parts Questions & Experts Answers

Thermostat Assembly
25500-22250
Q: How to replace a thermostat in a cooling system on Hyundai Accent?
A:
To replace the thermostat, remove the housing cover, note the installation, remove the thermostat, clean the gasket surfaces, and install the new thermostat. Apply sealant to the new gasket, reassemble, refill the cooling system, and check for leaks. For DOHC models, remove the battery and air filter housing, disconnect the radiator hose, remove the thermostat housing bolts and old gasket, note the old thermostat's installation, remove it, install the new one with the jiggle valve up, and reassemble.