{
    "lazyNodes": false,
    "abFitnotesFlag": false,
    "abCrawlReviews": false,
    "productOptionsCookie": false,
    "orderDelayFlag": false,
    "skipSessionCookie": false,
    "covidMessage": false,
    "fullTitleCookie": false,
    "nrLoggerCookie": false,
    "checkoutReviewCookie": false,
    "productOptionSeqCookie": false,
    "maintenanceFlag": false,
    "bufferETACookie": false,
    "multiShippingDiscountFlag": false,
    "newFitmentFlag": false,
    "surveyOptInFlag": false,
    "crossSellFlag": false,
    "skuMappingFlag": false,
    "paySplitCookie": false,
    "callDisableFlag": false,
    "zipPaymentFlag": "u",
    "hassleFreeReturn": false,
    "lifetimeReplacement": false,
    "cpn_off": false
}
2004 Kia Optima
1
0
Price Match Guarantee
60-Day Returns
Lifetime Replacement
Price Match Guarantee
60-Day Returns
Lifetime Replacement
2004 Kia Optima

2004 Kia Optima Thermostats

Refine by:

Shop Catalog

Showing 1 - 15 of 15 results
Sort by:
Thermostat
Stant®
Thermostat
Part Number: ST14127
Guaranteed to Fit
$22.49
Vehicle Fitment
  • 2004 Kia Optima LX 6 Cyl 2.7L GAS, Alternate Temperature, Temperature 170 Degrees
  • 2004 Kia Optima EX 6 Cyl 2.7L GAS, Alternate Temperature, Temperature 170 Degrees
Product Details
Quantity Sold : Sold individuallyProp 65 Warning :

Warning SymbolWARNING: This product can expose you to chemical which is known to the State of California to cause cancer and birth defects or other reproductive harm. For more information go to www.P65Warnings.ca.gov.

Opening Temperature Rating : 170 degreesMaterial : Stainless SteelRecommended Use : OE Replacement
OE Replacement Series Thermostat
Facet®
OE Replacement Series Thermostat
Part Number: FAC78417
Guaranteed to Fit
$17.49
Vehicle Fitment
  • 2004 Kia Optima EX 6 Cyl 2.7L
  • 2004 Kia Optima LX 6 Cyl 2.7L
Product Details
Replaces OE Number : MD174233, MD194988, 7701052705, 2550037200, 5952148, 6338014, 6338029, 2550035540, 2550035530, 2550035531, 7701057805, 9091603138, 1305A191, 255003A000, 255003A010, 256102F010, 256102F700, 97176464, 97361771, 19300RFWG01, 19301RFW305Quantity Sold : Sold individuallyWarranty : Facet limited warrantyProp 65 Warning :

Warning SymbolWARNING: This product can expose you to chemical which is known to the State of California to cause cancer and birth defects or other reproductive harm. For more information go to www.P65Warnings.ca.gov.

Series : OE Replacement SeriesInterchange Part Number : MD174233, MD194988, 7701052705, 2550037200, 5952148, 6338014, 6338029, 2550035540, 2550035530, 2550035531, 7701057805, 9091603138, 1305A191, 255003A000, 255003A010, 256102F010, 256102F700, 97176464, 97361771, 19300RFWG01, 19301RFW305
Thermostat
Motorad®
Thermostat
Part Number: MRD545-180
Guaranteed to Fit
$14.49
Vehicle Fitment
  • 2004 Kia Optima LX 4 Cyl 2.4L Temperature 180F; With Thermostat and Seal; Oe Specified Temperature
  • 2004 Kia Optima EX 4 Cyl 2.4L Temperature 180F; With Thermostat and Seal; Oe Specified Temperature
Product Details
Quantity Sold : Sold individuallyWarranty : 12-month Motorad limited warrantyProp 65 Warning :

Warning SymbolWARNING: This product can expose you to chemical which is known to the State of California to cause cancer and birth defects or other reproductive harm. For more information go to www.P65Warnings.ca.gov.

Opening Temperature Rating : 180 DegreesRecommended Use : OE Replacement
Gates OE Replacement Thermostat
Gates®
Gates OE Replacement Thermostat
Part Number: GAT33954
Guaranteed to Fit
$14.99
Vehicle Fitment
  • 2004 Kia Optima LX 4 Cyl 2.4L GAS, 180 Degree
  • 2004 Kia Optima EX 4 Cyl 2.4L GAS, 180 Degree
Product Details
Prop 65 Warning :

Warning SymbolWARNING: This product can expose you to chemical which is known to the State of California to cause cancer and birth defects or other reproductive harm. For more information go to www.P65Warnings.ca.gov.

Promotions : Cooling EssentialsOpening Temperature Rating : 180 DegreesSeries : Gates OE ReplacementRecommended Use : OE Replacement
Thermostat
Stant®
Thermostat
Part Number: ST14808
Guaranteed to Fit
$28.49
Vehicle Fitment
  • 2004 Kia Optima LX 4 Cyl 2.4L GAS, Temperature 180 Degrees, With Seal Included
  • 2004 Kia Optima EX 4 Cyl 2.4L GAS, Temperature 180 Degrees, With Seal Included
Product Details
Quantity Sold : Sold individuallyProp 65 Warning :

Warning SymbolWARNING: This product can expose you to chemical which is known to the State of California to cause cancer and birth defects or other reproductive harm. For more information go to www.P65Warnings.ca.gov.

Interchange Part Number : REPH318001Material : Stainless SteelRecommended Use : OE Replacement
Beck Arnley OE Replacement Thermostat
Beck Arnley®
Beck Arnley OE Replacement Thermostat
Part Number: 143-0811
Guaranteed to Fit
$40.49
Vehicle Fitment
  • 2004 Kia Optima EX 6 Cyl 2.7L Includes Gasket/Seal, Temperature 180
  • 2004 Kia Optima LX 6 Cyl 2.7L Includes Gasket/Seal, Temperature 180
Product Details
Quantity Sold : Sold individuallyWarranty : 1 year or 12,000-mile Beck Arnley limited warrantyProp 65 Warning :

Warning SymbolWARNING: This product can expose you to chemical which is known to the State of California to cause cancer and birth defects or other reproductive harm. For more information go to www.P65Warnings.ca.gov.

Opening Temperature Rating : 180 DegreesSeries : Beck Arnley OE ReplacementInterchange Part Number : REPH318001, 14808Material : Stainless SteelRecommended Use : OE Replacement
UltraStat Series Thermostat
Motorad®
UltraStat Series Thermostat
Part Number: MRD5302-170
Guaranteed to Fit
$16.49
Vehicle Fitment
  • 2004 Kia Optima LX 6 Cyl 2.7L Temperature 170F; Alternate Temperature Option
  • 2004 Kia Optima EX 6 Cyl 2.7L Temperature 170F; Alternate Temperature Option
Product Details
Quantity Sold : Sold individuallyWarranty : 12-month Motorad limited warrantyProp 65 Warning :

Warning SymbolWARNING: This product can expose you to chemical which is known to the State of California to cause cancer and birth defects or other reproductive harm. For more information go to www.P65Warnings.ca.gov.

Opening Temperature Rating : 170 degreesSeries : UltraStat SeriesRecommended Use : OE Replacement
Thermostat
Motorad®
Thermostat
Part Number: MRD302-150
Guaranteed to Fit
$14.49
Vehicle Fitment
  • 2004 Kia Optima LX 6 Cyl 2.7L Temperature 150F; Alternate Temperature Option
  • 2004 Kia Optima EX 6 Cyl 2.7L Temperature 150F; Alternate Temperature Option
Product Details
Quantity Sold : Sold individuallyWarranty : 12-month Motorad limited warrantyProp 65 Warning :

Warning SymbolWARNING: This product can expose you to chemical which is known to the State of California to cause cancer and birth defects or other reproductive harm. For more information go to www.P65Warnings.ca.gov.

Opening Temperature Rating : 150 DegreesMaterial : Copper/Stainless SteelRecommended Use : OE Replacement
UltraStat Series Thermostat
Motorad®
UltraStat Series Thermostat
Part Number: MRD5302-180
Guaranteed to Fit
$12.99
Vehicle Fitment
  • 2004 Kia Optima LX 6 Cyl 2.7L Temperature 180F; Oe Specified Temperature
  • 2004 Kia Optima EX 6 Cyl 2.7L Temperature 180F; Oe Specified Temperature
Product Details
Quantity Sold : Sold individuallyWarranty : 12-month Motorad limited warrantyProp 65 Warning :

Warning SymbolWARNING: This product can expose you to chemical which is known to the State of California to cause cancer and birth defects or other reproductive harm. For more information go to www.P65Warnings.ca.gov.

Opening Temperature Rating : 180 DegreesSeries : UltraStat SeriesRecommended Use : OE Replacement
Beck Arnley OE Replacement Thermostat
Beck Arnley®
Beck Arnley OE Replacement Thermostat
Part Number: 143-0722
Guaranteed to Fit
$30.49
Vehicle Fitment
  • 2004 Kia Optima LX 4 Cyl 2.4L Includes Gasket/Seal, Temperature 180
  • 2004 Kia Optima EX 4 Cyl 2.4L Includes Gasket/Seal, Temperature 180
Product Details
Quantity Sold : Sold individuallyWarranty : 1 year or 12,000-mile Beck Arnley limited warrantyProp 65 Warning :

Warning SymbolWARNING: This product can expose you to chemical which is known to the State of California to cause cancer and birth defects or other reproductive harm. For more information go to www.P65Warnings.ca.gov.

Opening Temperature Rating : 180 DegreesSeries : Beck Arnley OE ReplacementInterchange Part Number : REPT318001Material : Stainless SteelRecommended Use : OE Replacement
Fail-Safe Thermostat Series Thermostat
Motorad®
Fail-Safe Thermostat Series Thermostat
Part Number: MRD7302-170
Guaranteed to Fit
$14.49
Vehicle Fitment
  • 2004 Kia Optima LX 6 Cyl 2.7L Temperature 170F; Alternate Temperature Option
  • 2004 Kia Optima EX 6 Cyl 2.7L Temperature 170F; Alternate Temperature Option
Product Details
Quantity Sold : Sold individuallyWarranty : 12-month Motorad limited warrantyProp 65 Warning :

Warning SymbolWARNING: This product can expose you to chemical which is known to the State of California to cause cancer and birth defects or other reproductive harm. For more information go to www.P65Warnings.ca.gov.

Opening Temperature Rating : 170 degreesSeries : Fail-Safe Thermostat SeriesRecommended Use : OE Replacement
Fail-Safe Thermostat Series Thermostat
Motorad®
Fail-Safe Thermostat Series Thermostat
Part Number: MRD7302-180
Guaranteed to Fit
$13.99
Vehicle Fitment
  • 2004 Kia Optima LX 6 Cyl 2.7L Temperature 180F; Oe Specified Temperature
  • 2004 Kia Optima EX 6 Cyl 2.7L Temperature 180F; Oe Specified Temperature
Product Details
Quantity Sold : Sold individuallyWarranty : 12-month Motorad limited warrantyProp 65 Warning :

Warning SymbolWARNING: This product can expose you to chemical which is known to the State of California to cause cancer and birth defects or other reproductive harm. For more information go to www.P65Warnings.ca.gov.

Opening Temperature Rating : 180 DegreesSeries : Fail-Safe Thermostat SeriesRecommended Use : OE Replacement
Thermostat
Motorad®
Thermostat
Part Number: MRD302-180
Guaranteed to Fit
$8.99
Vehicle Fitment
  • 2004 Kia Optima LX 6 Cyl 2.7L Temperature 180F; Oe Specified Temperature
  • 2004 Kia Optima EX 6 Cyl 2.7L Temperature 180F; Oe Specified Temperature
Product Details
Quantity Sold : Sold individuallyWarranty : 12-month Motorad limited warrantyProp 65 Warning :

Warning SymbolWARNING: This product can expose you to chemical which is known to the State of California to cause cancer and birth defects or other reproductive harm. For more information go to www.P65Warnings.ca.gov.

Opening Temperature Rating : 180 DegreesRecommended Use : OE Replacement
Gates OE Replacement Thermostat
Gates®
Gates OE Replacement Thermostat
Part Number: GAT33878
Guaranteed to Fit
$20.49
Vehicle Fitment
  • 2004 Kia Optima LX 6 Cyl 2.7L GAS, 180 Degree
  • 2004 Kia Optima EX 6 Cyl 2.7L GAS, 180 Degree
Product Details
Quantity Sold : Sold individuallyWarranty : Lifetime Gates limited warrantyProp 65 Warning :

Warning SymbolWARNING: This product can expose you to chemical which is known to the State of California to cause cancer and birth defects or other reproductive harm. For more information go to www.P65Warnings.ca.gov.

Promotions : Cooling EssentialsOpening Temperature Rating : 180 DegreesSeries : Gates OE ReplacementInterchange Part Number : REPC318001, 33849Material : Stainless SteelRecommended Use : OE Replacement
Thermostat
Motorad®
Thermostat
Part Number: MRD302-170
Guaranteed to Fit
$8.99
Vehicle Fitment
  • 2004 Kia Optima LX 6 Cyl 2.7L Temperature 170F; Alternate Temperature Option
  • 2004 Kia Optima EX 6 Cyl 2.7L Temperature 170F; Alternate Temperature Option
Product Details
Quantity Sold : Sold individuallyWarranty : 12-month Motorad limited warrantyProp 65 Warning :

Warning SymbolWARNING: This product can expose you to chemical which is known to the State of California to cause cancer and birth defects or other reproductive harm. For more information go to www.P65Warnings.ca.gov.

Opening Temperature Rating : 170 degreesRecommended Use : OE Replacement
Page 1 of 1 | Showing 1 - 15 of 15 results

Top Rated Products

Beck Arnley Beck Arnley OE Replacement Thermostat
$29.99( Review)
Worked perfectly, easy to install.
Jaime D.
VERIFIED PURCHASER
Stant Thermostat
$22.49( Review)
Great part, even better service. I ordered a Thermostat for my Mitsubishi 3000GT and See More
Dustin B.
VERIFIED PURCHASER

Popular Products

Product Questions & Answers

Gates Gates OE Replacement Thermostat
$20.49
Q:Does it come with the gasket? 2012 nissan titan
Kyle T.
A:BEST ANSWERHi Kyle, It will not come with the gasket.
Arnel E.
 
1 Question, 1 AnswerView all Q&As >

Helpful Automotive Resources

P0597 Code: Thermostat Heater Control Circuit / Open
P0597 Code: Thermostat Heater Control Circuit / OpenDiagnostic trouble code (DTC) P0597 code stands for “Thermostat Heater Control Circuit/Open.”
What Does It Mean When the Engine Is Hot While the AC Is Off?
What Does It Mean When the Engine Is Hot While the AC Is Off?If you’re wondering how your engine gets so hot even if the air conditioning is off, then there are many explanations as to why. Usually, it’s due to a lack of coolant. In other cases, the culprit for an overheating engine is broken parts. Here are some of the potential
What Does Check Gauges Mean?
What Does Check Gauges Mean?The check gauge light is usually triggered once the PCM detects something reading that’s outside normal parameters. These readings include: Coolant TemperatureEngine RPMFuel LevelOil PressureTransmission temperatureTire PressureWheel SpeedVoltmeter Common Triggers of the Check Gauges Light
What Causes a Car to Overheat When Idling?
What Causes a Car to Overheat When Idling?Leaving your AC running may contribute to this problem because the car’s AC forces the engine to work harder. These factors combined can make the engine overheat very quickly. A simple solution would be to turn off the AC in hopes of lowering the temperature of the engine, but if
Why Is My Car Heater Not Blowing Hot Air?
Why Is My Car Heater Not Blowing Hot Air?The heater core distributes heat, blowing it into the air with a blower fan. In many ways, you could compare the heater core to a radiator because they are both heat exchangers. Damaged heater cores often go hand in hand with coolant problems.
Where Is the Thermostat Located?
Where Is the Thermostat Located?Have you driven your vehicle recently? Because if the answer’s yes, you’ll want to turn off the engine and let it cool down before trying to access the thermostat. This is because you’ll have to unclamp your radiator hose and drain your coolant before you can get to your thermostat.