{
    "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
}
2003 Dodge Ram 1500

2003 Dodge Ram 1500 Thermostats

Refine by:

Shop Catalog

Showing 1 - 15 of 45 results
Display item:
15
30
45
Sort by:
Thermostat
Part Number: GAT34253
Guaranteed to Fit
$30.99
Vehicle Fitment
  • 2003 Dodge Ram 1500 SLT 8 Cyl 5.7L GAS, 180 Degree, For Off-Road Use Only
  • 2003 Dodge Ram 1500 ST 8 Cyl 5.7L GAS, 180 Degree, For Off-Road Use Only
  • 2003 Dodge Ram 1500 Laramie 8 Cyl 5.7L GAS, 180 Degree, For Off-Road Use Only
Product Details
Notes : 2.36 in. Total Height; 1.61 in. Depth from Flange; 1.36 in. By-Pass Flange Diameter; (1) Number of Seal; (1) Number of Jiggle Pins/Check Valves; O-Ring Seal Type; OE-Exact ConstructionQuantity 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 : 82 degrees CRecommended Use : OE ReplacementProduct Fit : Direct Fit
Thermostat
Part Number: MRD300-195
Guaranteed to Fit
$16.99
Vehicle Fitment
  • 2003 Dodge Ram 1500 SLT 8 Cyl 5.9L Temperature 195F; Oe Specified Temperature
  • 2003 Dodge Ram 1500 ST 8 Cyl 5.9L Temperature 195F; Oe Specified Temperature
  • 2003 Dodge Ram 1500 Laramie 8 Cyl 5.9L Temperature 195F; 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 : 195 degreesRecommended Use : OE Replacement
Thermostat
Part Number: MRD416-203
Guaranteed to Fit
$13.49
Vehicle Fitment
  • 2003 Dodge Ram 1500 SLT 8 Cyl 5.7L Temperature 203F; With Thermostat and Seal; Oe Specified Temperature
  • 2003 Dodge Ram 1500 ST 8 Cyl 5.7L Temperature 203F; With Thermostat and Seal; Oe Specified Temperature
  • 2003 Dodge Ram 1500 Laramie 8 Cyl 5.7L Temperature 203F; 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 : 203 degreesRecommended Use : OE Replacement
Thermostat
Part Number: MRD416-160
Guaranteed to Fit
$13.49
Vehicle Fitment
  • 2003 Dodge Ram 1500 SLT 8 Cyl 5.7L Temperature 160F; Alternate Temperature Option
  • 2003 Dodge Ram 1500 ST 8 Cyl 5.7L Temperature 160F; Alternate Temperature Option
  • 2003 Dodge Ram 1500 Laramie 8 Cyl 5.7L Temperature 160F; 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 : 160 degreesRecommended Use : OE Replacement
Thermostat
Part Number: MRD200-160
Guaranteed to Fit
$15.49
Vehicle Fitment
  • 2003 Dodge Ram 1500 SLT 8 Cyl 5.9L Temperature 160F; Alternate Temperature Option
  • 2003 Dodge Ram 1500 ST 8 Cyl 5.9L Temperature 160F; Alternate Temperature Option
  • 2003 Dodge Ram 1500 Laramie 8 Cyl 5.9L Temperature 160F; 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 : 160 degreesRecommended Use : OE Replacement
Gates OE Replacement Thermostat
Part Number: GAT33006
Guaranteed to Fit
$9.99
Vehicle Fitment
  • 2003 Dodge Ram 1500 SLT 8 Cyl 5.9L GAS, 160 Degree
  • 2003 Dodge Ram 1500 ST 8 Cyl 5.9L GAS, 160 Degree
  • 2003 Dodge Ram 1500 Laramie 8 Cyl 5.9L GAS, 160 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 : 160 degreesSeries : Gates OE ReplacementRecommended Use : OE Replacement
High Flow Series Thermostat
Part Number: MRD2000-160
Guaranteed to Fit
$5.99
Vehicle Fitment
  • 2003 Dodge Ram 1500 SLT 8 Cyl 5.9L Temperature 160F; Alternate Temperature Option
  • 2003 Dodge Ram 1500 ST 8 Cyl 5.9L Temperature 160F; Alternate Temperature Option
  • 2003 Dodge Ram 1500 Laramie 8 Cyl 5.9L Temperature 160F; 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 : 160 degreesSeries : High Flow SeriesRecommended Use : OE Replacement
Thermostat
Part Number: MRD200-195
Guaranteed to Fit
$7.49
Vehicle Fitment
  • 2003 Dodge Ram 1500 SLT 8 Cyl 5.9L Temperature 195F; Oe Specified Temperature
  • 2003 Dodge Ram 1500 ST 8 Cyl 5.9L Temperature 195F; Oe Specified Temperature
  • 2003 Dodge Ram 1500 Laramie 8 Cyl 5.9L Temperature 195F; 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 : 195 degreesRecommended Use : OE Replacement
Thermostat
Part Number: MRD200-180
Guaranteed to Fit
$15.49
Vehicle Fitment
  • 2003 Dodge Ram 1500 SLT 8 Cyl 5.9L Temperature 180F; Alternate Temperature Option
  • 2003 Dodge Ram 1500 ST 8 Cyl 5.9L Temperature 180F; Alternate Temperature Option
  • 2003 Dodge Ram 1500 Laramie 8 Cyl 5.9L Temperature 180F; 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 : 180 DegreesRecommended Use : OE Replacement
High Flow Series Thermostat
Part Number: MRD2000-195
Guaranteed to Fit
$6.49
Vehicle Fitment
  • 2003 Dodge Ram 1500 SLT 8 Cyl 5.9L Temperature 195F; Oe Specified Temperature
  • 2003 Dodge Ram 1500 ST 8 Cyl 5.9L Temperature 195F; Oe Specified Temperature
  • 2003 Dodge Ram 1500 Laramie 8 Cyl 5.9L Temperature 195F; 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 : 195 degreesSeries : High Flow SeriesRecommended Use : OE Replacement
Professional Series Thermostat
Part Number: AC12TE1E
Guaranteed to Fit
$6.99
Vehicle Fitment
  • 2003 Dodge Ram 1500 SLT 8 Cyl 5.9L Temperature: 195F; Oem Recommended Temp; Economy
  • 2003 Dodge Ram 1500 ST 8 Cyl 5.9L Temperature: 195F; Oem Recommended Temp; Economy
  • 2003 Dodge Ram 1500 Laramie 8 Cyl 5.9L Temperature: 195F; Oem Recommended Temp; Economy
Product Details
Notes : Aluminum engine; OEM recommended temperatureQuantity Sold : Sold individuallyWarranty : 24-months or unlimited mile AC Delco 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 : 91 degrees CSeries : Professional SeriesInterchange Part Number : REPC318003, 33009SMaterial : Stainless SteelRecommended Use : OE Replacement
UltraStat Series Thermostat
Part Number: MRD5200-160
Guaranteed to Fit
$8.99
Vehicle Fitment
  • 2003 Dodge Ram 1500 SLT 8 Cyl 5.9L Temperature 160F; Alternate Temperature Option
  • 2003 Dodge Ram 1500 ST 8 Cyl 5.9L Temperature 160F; Alternate Temperature Option
  • 2003 Dodge Ram 1500 Laramie 8 Cyl 5.9L Temperature 160F; 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 : 160 degreesSeries : UltraStat SeriesMaterial : Stainless SteelRecommended Use : OE Replacement
Fail-Safe Thermostat Series Thermostat
Part Number: MRD7200-195
Guaranteed to Fit
$12.49
Vehicle Fitment
  • 2003 Dodge Ram 1500 SLT 8 Cyl 5.9L Temperature 195F; Oe Specified Temperature
  • 2003 Dodge Ram 1500 ST 8 Cyl 5.9L Temperature 195F; Oe Specified Temperature
  • 2003 Dodge Ram 1500 Laramie 8 Cyl 5.9L Temperature 195F; 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 : 195 degreesSeries : Fail-Safe Thermostat SeriesMaterial : Copper/Stainless SteelRecommended Use : OE Replacement
Fail-Safe Thermostat Series Thermostat
Part Number: MRD7420-195
Guaranteed to Fit
$13.49
Vehicle Fitment
  • 2003 Dodge Ram 1500 Laramie 6 Cyl 3.7L Temperature 195F; Oe Specified Temperature
  • 2003 Dodge Ram 1500 Laramie 8 Cyl 4.7L Temperature 195F; Oe Specified Temperature
  • 2003 Dodge Ram 1500 ST 6 Cyl 3.7L Temperature 195F; Oe Specified Temperature
  • 2003 Dodge Ram 1500 SLT 8 Cyl 4.7L Temperature 195F; Oe Specified Temperature
  • 2003 Dodge Ram 1500 ST 8 Cyl 4.7L Temperature 195F; Oe Specified Temperature
  • 2003 Dodge Ram 1500 SLT 6 Cyl 3.7L Temperature 195F; 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 : 195 degreesSeries : Fail-Safe Thermostat SeriesRecommended Use : OE Replacement
Professional Series Thermostat
Part Number: AC12TE1B
Guaranteed to Fit
$18.49
Vehicle Fitment
  • 2003 Dodge Ram 1500 SLT 8 Cyl 5.9L Temperature: 160F; Alternate Temp; Economy
  • 2003 Dodge Ram 1500 ST 8 Cyl 5.9L Temperature: 160F; Alternate Temp; Economy
  • 2003 Dodge Ram 1500 Laramie 8 Cyl 5.9L Temperature: 160F; Alternate Temp; Economy
Product Details
Notes : Alternate temperatureQuantity Sold : Sold individuallyWarranty : 24-months or unlimited mile AC Delco 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 : 71 degrees CSeries : Professional SeriesInterchange Part Number : REPC318002Material : Stainless SteelRecommended Use : OE Replacement
Page 1 of 3 | Showing 1 - 15 of 45 results

Top Rated Products

Gates Thermostat
$30.99( Review)
So far, so good fast shipping
Alfredo M.
VERIFIED PURCHASER
Reliable affordable dependable part
Cedrick W.
VERIFIED PURCHASER

Popular Products

Product Questions & Answers

Q:Does it come with the gasket?
Willoughby
A:BEST ANSWERHi Charles, thank you for reaching out. Yes. This thermostat includes the gasket. If your vehicle information and fitment details match this part, you can use this link to order the part and take advantage of our low price for this item: https://www.carparts.com/thermostat/motorad/mrd7420-195?can=CPAP3648_CSQA_20240922 I hope this helps. Happy shopping. Show less
Aldrin P.
 
1 Question, 1 AnswerView all Q&As >
Q:Will it work on my 1969 Dodge Dart GTS 383 engine?
Cleo M F.
A:BEST ANSWERHi Cleo, I'm glad to assist you. No, it won't. Click on the link below for the thermostats we have available for the 1969 Dart 383 models. I hope this helps, and happy shopping. https://www.carparts.com/search?q=thermostat&vehicle[cylinders]=8&vehicle[liter]=6%2E3&vehicle[submodel]=GTS&vehicle[model]=Dart&vehicle[make]=Dodge&vehicle[year]=1969 Show less
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.