{
    "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
}
1998 GMC C6500 Topkick
1
0
Price Match Guarantee
60-Day Returns
Lifetime Replacement
Price Match Guarantee
60-Day Returns
Lifetime Replacement
1998 GMC C6500 Topkick

1998 GMC C6500 Topkick Thermostats

Refine by:

Shop Catalog

Showing 1 - 9 of 9 results
Sort by:
Gates OE Replacement Thermostat
Gates®
Gates OE Replacement Thermostat
Part Number: GAT33969
Guaranteed to Fit
$13.99
Vehicle Fitment
  • 1998 GMC C6500 Topkick C6H042 6 Cyl 6.6L DIESEL, 192 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 : 192 degreesSeries : Gates OE ReplacementRecommended Use : OE Replacement
HD Series Thermostat
Motorad®
HD Series Thermostat
Part Number: MRD4009-95
Guaranteed to Fit
$8.99
Vehicle Fitment
  • 1998 GMC C6500 Topkick C6H042 8 Cyl 7.0L 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 : HD SeriesMaterial : Copper/Stainless SteelRecommended Use : OE Replacement
HD Series Thermostat
Motorad®
HD Series Thermostat
Part Number: MRD4009-80
Guaranteed to Fit
$8.99
Vehicle Fitment
  • 1998 GMC C6500 Topkick C6H042 8 Cyl 7.0L 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 DegreesSeries : HD SeriesMaterial : Copper/Stainless SteelRecommended Use : OE Replacement
HD Series Thermostat
Motorad®
HD Series Thermostat
Part Number: MRD4048-90
Guaranteed to Fit
$17.99
Vehicle Fitment
  • 1998 GMC C6500 Topkick C6H042 6 Cyl 7.2L Temperature 190F; Oe Specified Temperature
  • 1998 GMC C6500 Topkick C6H042 6 Cyl 6.6L Temperature 190F; 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 : 190 DegreesSeries : HD SeriesMaterial : Copper/Stainless SteelRecommended Use : OE Replacement
HD Series Thermostat
Motorad®
HD Series Thermostat
Part Number: MRD4048-80
Guaranteed to Fit
$19.49
Vehicle Fitment
  • 1998 GMC C6500 Topkick C6H042 6 Cyl 7.2L Temperature 180F; Alternate Temperature Option
  • 1998 GMC C6500 Topkick C6H042 6 Cyl 6.6L 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 DegreesSeries : HD SeriesMaterial : Copper/Stainless SteelRecommended Use : OE Replacement
Thermostat
Motorad®
Thermostat
Part Number: MRD456-187
Guaranteed to Fit
$18.49
Vehicle Fitment
  • 1998 GMC C6500 Topkick C6H042 8 Cyl 6.0L Temperature 187F; 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 : 187 degreesRecommended Use : OE Replacement
Thermostat
Stant®
Thermostat
Part Number: ST14839
Guaranteed to Fit
$30.49
Vehicle Fitment
  • 1998 GMC C6500 Topkick C6H042 6 Cyl 6.6L DIESEL
Product Details
Quantity Sold : Sold individuallyWarranty : 90-day Stant 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 : 190 DegreesInterchange Part Number : REPC318003, 33009SMaterial : Stainless SteelRecommended Use : OE Replacement
Thermostat
Motorad®
Thermostat
Part Number: MRD456-160
Guaranteed to Fit
$18.99
Vehicle Fitment
  • 1998 GMC C6500 Topkick C6H042 8 Cyl 6.0L 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
Professional Series Thermostat
AC Delco®
Professional Series Thermostat
Part Number: AC12T121D
Guaranteed to Fit
$24.49
Vehicle Fitment
  • 1998 GMC C6500 Topkick C6H042 8 Cyl 6.0L
Product Details
Notes : Includes seal; Thermostat only; OEM recommended temperature; Standard; With replacement late model water pump requiring separate thermostat and housingQuantity 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 : 86 degrees CSeries : Professional SeriesMaterial : Stainless SteelRecommended Use : OE Replacement
Page 1 of 1 | Showing 1 - 9 of 9 results

Popular Products

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.