2004 Kia Optima Thermostats

Enhance and Protect Your 2004 Kia Optima with Quality Thermostats

Maintaining the performance of your 2004 Kia Optima starts with choosing the right parts, and a high-quality Thermostat helps ensure a reliable and efficient vehicle. At Advance Auto Parts, we offer Thermostats specifically for the 2004 Kia Optima, ensuring a perfect fit and lasting durability. Choosing to shop with Advance Auto Parts means you’re making a smart decision to prioritize both quality and reliability for your vehicle.

Affordable and Reliable Thermostats for Every Budget

Finding a Thermostat that combines quality with affordability is easy at Advance Auto Parts. With prices starting as low as $9.29 and an average price of $22.52, you can choose one that fits your budget while delivering the quality you expect. Our Thermostats are competitively priced, ranging from $9.29 to $37.33, so you get value without compromising on strength or reliability.

Trusted Brands and Top-Rated Options

With 9 Thermostats from 4 trusted brands in stock, Advance Auto Parts has you covered. Our Thermostats for the 2004 Kia Optima have earned reviews from over 172 customers, with an average 4 stars rating across the board. Popular options include Standard Thermostat: 170 Degrees, Standard Thermostat: 180 Degrees, and Thermostat: 170 Degrees, starting at $19.99. Our selection includes highly regarded brands such as Carquest Premium, Motorad UltraStats, and Calorstat, and more, offering you top-notch reliability. For example, we have 5 Carquest Premium Thermostats starting at $9.29 with an average rating of 4 stars, 2 Motorad UltraStats options from $23.99 with a 4 stars rating, and 1 Calorstat Thermostats priced from $19.30 with a 5 stars average rating.

Explore Related Parts for a Complete Solution

To further enhance your 2004 Kia Optima, don’t miss our related parts categories, including Radiators and Water Pump Housing Gaskets. These additions will round out your repair or upgrade project and ensure your vehicle is ready for any adventure.

Thermostats for Your 2004 Kia Optima

Motorad UltraStats – Thermostat: 180 Degrees (Part No.5302-180)

Thermostat: 180 Degrees

from

$27.49
This premium upgraded thermostat is everything you were looking for. UltraStat Thermostats are the toughest thermostats on the market. All heavy gauge stainless steel construction provides long-life durability, as well as complete corrosion resistance. Exclusive BLVT Valve technology minimizes thermal shock to cooling system components. This is the perfect upgrade to help insure your cooling system is working exactly as you need and expect it to for longevity.

Product Features:
  • Heavy gauge stainless steel components offer increased reliability and long-lasting durability
  • Exclusive BLVT Valve Technology minimizes thermal shock to cooling system components
  • Stainless steel thermal element for unmatched corrosion resistance and revolutionary REAX wax mixture provides quicker reaction time
  • AccuSpring Design for stable temperature control and increased cabin comfort
See More

Carquest Premium – Standard Thermostat: 180 Degrees (Part No.14128)

Standard Thermostat: 180 Degrees

from

$19.99
Carquest Premium Thermostats are manufactured with OEM quality materials and safety standards by an OE Supplier. This thermostat will meet and exceed the expectations of the OE thermostat to insure the best product for your cooling system. Stands up to even the most demanding automotive cooling systems. Manufactured with OEM specifications and processes. Copper case and wax compound assures rapid response to temperature changes in the coolant. Offset design, air relief valve, and OEM style seals included where applicable.

Product Features:
  • High grade stainless steel and copper construction
  • Meets or exceeds OEM standards
  • Consistent and precise response to cooling system needs
  • Original equipment design for worry-free direct fit replacement
  • 100% tested and calibrated
See More

Carquest Premium – Standard Thermostat: 170 Degrees (Part No.14337)

Standard Thermostat: 170 Degrees

from

$20.79
Carquest Premium Thermostats are manufactured with OEM quality materials and safety standards by an OE Supplier. This thermostat will meet and exceed the expectations of the OE thermostat to insure the best product for your cooling system. Stands up to even the most demanding automotive cooling systems. Manufactured with OEM specifications and processes. Copper case and wax compound assures rapid response to temperature changes in the coolant. Offset design, air relief valve, and OEM style seals included where applicable.

Product Features:
  • High grade stainless steel and copper construction
  • Meets or exceeds OEM standards
  • Consistent and precise response to cooling system needs
  • Original equipment design for worry-free direct fit replacement
  • 100% tested and calibrated
See More

Carquest Premium – Standard Thermostat: With Seal, 180 Degrees (Part No.14808)

Standard Thermostat: With Seal, 180 Degrees

from

$20.99
Carquest Premium Thermostats are manufactured with OEM quality materials and safety standards by an OE Supplier. This thermostat will meet and exceed the expectations of the OE thermostat to insure the best product for your cooling system. Stands up to even the most demanding automotive cooling systems. Manufactured with OEM specifications and processes. Copper case and wax compound assures rapid response to temperature changes in the coolant. Offset design, air relief valve, and OEM style seals included where applicable.

Product Features:
  • High grade stainless steel and copper construction
  • Meets or exceeds OEM standards
  • Consistent and precise response to cooling system needs
  • Original equipment design for worry-free direct fit replacement
  • 100% tested and calibrated
See More

Carquest Premium – Thermostat (Part No.48227)

Thermostat

from

$9.29
Original equipment design provides exact fit and performance.

Product Features:
  • Precise fitting sealing edges prevent leakage and premature cooling.
  • Self-cleaning and self-aligning thermostat valve.
  • Stainless steel assembly and springs are engineered for long life and smooth performance.
See More

Motorad UltraStats – Thermostat: 170 Degrees (Part No.5302-170)

Thermostat: 170 Degrees

from

$23.99
This premium upgraded thermostat is everything you were looking for. UltraStat Thermostats are the toughest thermostats on the market. All heavy gauge stainless steel construction provides long-life durability, as well as complete corrosion resistance. Exclusive BLVT Valve technology minimizes thermal shock to cooling system components. This is the perfect upgrade to help insure your cooling system is working exactly as you need and expect it to for longevity.

Product Features:
  • Heavy gauge stainless steel components offer increased reliability and long-lasting durability
  • Exclusive BLVT Valve Technology minimizes thermal shock to cooling system components
  • Stainless steel thermal element for unmatched corrosion resistance and revolutionary REAX wax mixture provides quicker reaction time
  • AccuSpring Design for stable temperature control and increased cabin comfort
See More

AISIN - Thermostat (Part No.G4000109159ASC)

Thermostat

from

$37.33
Thermostats from AISIN are OE manufactured for exact Form, Fit and Function. They contribute to maintaining cooling system performance and are a critical aspect of the cooling system. Thermostats also keep the coolant within the optimal temperature range.

Product Features:
  • OE manufactured for exact Form, Fit and Function
  • Contributes to maintaining cooling system performance
  • Critical aspect of the cooling system
  • Keeps the coolant within the optimal temperature range
See More

Carquest Premium - Thermostat (Part No.48268)

Thermostat

from

$23.49
Original equipment design provides exact fit and performance.

Product Features:
  • Precise fitting sealing edges prevent leakage and premature cooling.
  • Self-cleaning and self-aligning thermostat valve.
  • Stainless steel assembly and springs are engineered for long life and smooth performance.
See More

Calorstat - CALORSTAT Thermostat (Part No.G4000109158CAL)

CALORSTAT Thermostat

from

$19.30
CALORSTAT thermostatic components (bellows thermostats for water temperature regulation), followed by the use of a different technology based on the wax expansion. CALORSTAT by Vernet has produced thermostatic elements for more than 50 years. A vast amount of experience and continuous development has enabled the Company to remain the world leader in this field. Throughout the world, Vernet is regarded as a valued partner by manufacturers, large and small, in the Sanitary, Heating and Automotive industry.

Product Features:
  • Comfort enhancement by a faster cabine warming
  • CO2 emissions and fuel consumption reduction
  • Thermostat opening driven by the ECU (electrical thermostat)
  • An adaptation of the control strategies to the vehicle use (electrical thermostat)
See More

FAQs for 2004 Kia Optima Thermostats

Which Thermostats are the top sellers for the 2004 Kia Optima?

Out of 9 Thermostats that fit 2004 Kia Optimas, the following parts are the top sellers:
Standard Thermostat: 170 Degrees
from $20.79
(40)
Standard Thermostat: 170 Degrees
Thermostats
Standard Thermostat: 180 Degrees
from $19.99
(29)
Standard Thermostat: 180 Degrees
Thermostats
Thermostat: 170 Degrees
from $23.99
(3)
Thermostat: 170 Degrees
Thermostats

How can I make sure that a part will be compatible with my 2004 Kia Optima?

Our Kia Optima aftermarket and OEM parts are designed specifically for the 2004 model. You can always find your specific fitment and compatibility for your 2004 Kia on an individual product page.

What is the price range for 2004 Kia Optima Thermostats?

The range of prices of Thermostats for the 2004 Kia Optima goes from $9.29 up to $37.33 for the most premium parts.

What is the average price of a 2004 Kia Optima Thermostat?

2004 Kia Optima Thermostats average $22.52 for our selection of OEM and aftermarket parts. Keep in mind the variety of brands we offer, such as Carquest Premium, Motorad UltraStats, Calorstat, and more, so you are likely to find a wide range of prices across a variety of brands and products.

Does Advance Auto Parts sell Thermostats for other Kia Optima model years?

Yes, we currently stock Thermostats for 19 model years of Kia Optimas, from 2001 to 2020. Model years 2020, 2019, 2018, 2017, 2016, 2015, 2014, 2013, and 2012 are the most popular for Thermostat purchases.

Which Thermostats are highest rated for the 2004 Kia Optima?

Based on 172 customer reviews, our 2004 Kia Optima Thermostats have an average rating of 4. Explore our top-rated Thermostats here:
Thermostat: 180 Degrees
from $27.49
(1)
Thermostat: 180 Degrees
"Thermostat replacement fit perfect does not come with gasket sold separately great help from workers really informative"

Can I get help with 2004 Kia Optima Thermostat orders?

Contact our customer support team, by chat or phone, through the help desk page, where you can find instant answers about Kia Thermostats and more.

What is your return policy for Kia Optima Thermostats?

Advance Auto Parts keeps returns simple. For new Kia Optima Thermostats and accessories, your online orders can be returned, in their original condition, within 45 days. For requirements, see the returns page.