Genuine 2018 Kia Optima Thermostat

Engine Coolant Thermostat

Enter your vehicle info to find more parts and verify fitment

Select Vehicle by VIN
Select Vehicle by Model

Select by VIN

Enter your VIN for the most accurate results.

Enter your VIN for the most accurate results.

or

Select by Model

-- Select Model --

-- Select Year --

4 Thermostats found

View related parts
2018 Kia Optima Thermostat Assembly
Part Number: 255002B000
$20.03 MSRP: $26.75
You Save: $6.72 (26%)

Add to Cart
Product Specifications
- Other Name: Thermostat
- Replaces: 255002B001, 255002B400
- Part Code: 25500A
- Item Weight: 0.50 Pounds
- Condition: New
- Fitment Type: Direct Replacement
- SKU: 255002B000
- Warranty: This genuine part is guaranteed by Kia's factory warranty.
View More
Fits the following 2018 Kia Optima Submodels:
- 1.6L - GAMMA | Sedan - 4Door 5P
View related parts
2018 Kia Optima Thermostat Assembly
Part Number: 255002GGA0
$21.49 MSRP: $28.70
You Save: $7.21 (26%)

Add to Cart
Product Specifications
- Other Name: Thermostat
- Part Code: 25500A
- Item Weight: 0.90 Pounds
- Item Dimensions: 6.9 x 6.4 x 4.6 inches
- Condition: New
- Fitment Type: Direct Replacement
- SKU: 255002GGA0
- Warranty: This genuine part is guaranteed by Kia's factory warranty.
View More
Fits the following 2018 Kia Optima Submodels:
- 2.4L - Theta 2 | Sedan - 4Door 5P
View related parts
2018 Kia Optima Thermostat Assembly
Part Number: 255002GTA0
$19.84 MSRP: $26.50
You Save: $6.66 (26%)

Add to Cart
Product Specifications
- Other Name: Thermostat
- Part Code: 25500A
- Item Weight: 0.50 Pounds
- Condition: New
- Fitment Type: Direct Replacement
- SKU: 255002GTA0
- Warranty: This genuine part is guaranteed by Kia's factory warranty.
View More
Fits the following 2018 Kia Optima Submodels:
- 2.0L - Theta 2 | Sedan - 4Door 5P
View related parts
2018 Kia Optima Control Assembly-COOLANT
Part Number: 256002GTA0
$175.47 MSRP: $240.10
You Save: $64.63 (27%)

Add to Cart
Product Specifications
- Other Name: Control Assembly-Coolant Temperature; Thermostat Unit
- Part Code: 25600A
- Item Weight: 0.70 Pounds
- Item Dimensions: 17.1 x 9.2 x 6.3 inches
- Condition: New
- Fitment Type: Direct Replacement
- SKU: 256002GTA0
- Warranty: This genuine part is guaranteed by Kia's factory warranty.
View More
Fits the following 2018 Kia Optima Submodels:
- 2.0L - Theta 2 | Sedan - 4Door 5P

Related 2018 Kia Optima Parts

Alternate Year Models

+

2017 Kia Optima Thermostat 2019 Kia Optima Thermostat