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2003 Chevrolet Silverado 2500

2003 Chevrolet Silverado 2500 Thermostat Housings

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Thermostat Housing, 8 Cyl., 6.0L Engine, with Thermostat, Gasket, For Models with Water Pump Casting No. 12562459; With Thermostat Retainer Brackets; 186 Degree Fahrenheit
Part Number: REPC319601
Guaranteed to Fit
$13.05
Vehicle Fitment
  • 2003 Chevrolet Silverado 2500 Base 8 Cyl 6.0L With Water Pump Casting No. 12562459; With Thermostat Retainer Brackets; 186 Degree Fahrenheit
  • 2003 Chevrolet Silverado 2500 LT 8 Cyl 6.0L With Water Pump Casting No. 12562459; With Thermostat Retainer Brackets; 186 Degree Fahrenheit
  • 2003 Chevrolet Silverado 2500 LS 8 Cyl 6.0L With Water Pump Casting No. 12562459; With Thermostat Retainer Brackets; 186 Degree Fahrenheit
Product Details
Notes : includes Thermostat, Housing, 1 GasketWarranty : 1-year Replacement unlimited-mileage warrantyQuantity Sold : Sold individuallyProp 65 Warning :

Warning SymbolWARNING: This product can expose you to chemicals including Lead, 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 : 902700, 12571261Replaces OE Number : 12571261Product Fit : Direct FitReturns Policy : 30-Day Return Policy
OE Solutions Series Thermostat Housing - Natural, Metal, Direct Fit, Sold individually
Part Number: RB902836
Guaranteed to Fit
$20.49
Vehicle Fitment
  • 2003 Chevrolet Silverado 2500 Base 8 Cyl 6.0L Without Water Pump Casting No. 12562459; Does Not Include Thermostat; Use If Original Water Pump Replaced With Later Design; Cover
  • 2003 Chevrolet Silverado 2500 LT 8 Cyl 6.0L Without Water Pump Casting No. 12562459; Does Not Include Thermostat; Use If Original Water Pump Replaced With Later Design; Cover
  • 2003 Chevrolet Silverado 2500 LS 8 Cyl 6.0L Without Water Pump Casting No. 12562459; Does Not Include Thermostat; Use If Original Water Pump Replaced With Later Design; Cover
Product Details
Location : UpperNotes : 0.31 in. Bolt Hole Diameter; 2 Bolt Holes; 30 degrees Housing Neck Angle; 1.64 in. Outlet DiameterWarranty : Lifetime Dorman limited warrantyQuantity Sold : Sold individuallyProp 65 Warning :

Warning SymbolWARNING: This product can expose you to chemicals including Nickel, 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 Solutions SeriesInterchange Part Number : 85083, 34702, 524KT, CH2836, 815665, 12568911, 12581594, 12600172, 8125689110, 8125815940, 8126001720, 6261, 6261-TReplaces OE Number : 85083, 34702, 524KT, CH2836, 815665, 12568911, 12581594, 12600172, 8125689110, 8125815940, 8126001720, 6261, 6261-TMaterial : MetalRecommended Use : OE ReplacementProduct Fit : Direct FitColor Finish : Natural
OE Solutions Series Thermostat Housing - Natural, Metal, Direct Fit, Sold individually
Part Number: RB9022701
Guaranteed to Fit
$29.49
Vehicle Fitment
  • 2003 Chevrolet Silverado 2500 Base 8 Cyl 6.0L With Water Pump Casting No. 12562459; With Thermostat Retainer Brackets; 160 Degree Fahrenheit
  • 2003 Chevrolet Silverado 2500 LT 8 Cyl 6.0L With Water Pump Casting No. 12562459; With Thermostat Retainer Brackets; 160 Degree Fahrenheit
  • 2003 Chevrolet Silverado 2500 LS 8 Cyl 6.0L With Water Pump Casting No. 12562459; With Thermostat Retainer Brackets; 160 Degree Fahrenheit
Product Details
Notes : 1.24 in. ID; 4.39 in. Flange Length; 0.4 in. Flange Thickness; 2.7 in. Flange Width; (3) Bolt Hole Quantity; Gasket TypeWarranty : Lifetime Dorman limited warrantyQuantity 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.

Replaces OE Number : 85254, 379-160, 12571261, 8125712610Material : MetalRecommended Use : OE ReplacementProduct Fit : Direct FitIncludes : 1 Thermostat Housing; 1 Thermostat; 1 GasketOpening Temperature Rating : 160 degrees FSeries : OE Solutions SeriesThermostat Included : With thermostatInterchange Part Number : 85254, 379-160, 12571261, 8125712610Color Finish : Natural
Thermostat Housing - Direct Fit, Sold individually
Part Number: MRD379-160
Guaranteed to Fit
$15.99
Vehicle Fitment
  • 2003 Chevrolet Silverado 2500 Base 8 Cyl 6.0L Temperature 160F; With Original Water Pump Requiring Integrated Thermostat And Housing; Alternate Temperature Option
  • 2003 Chevrolet Silverado 2500 LT 8 Cyl 6.0L Temperature 160F; With Original Water Pump Requiring Integrated Thermostat And Housing; Alternate Temperature Option
  • 2003 Chevrolet Silverado 2500 LS 8 Cyl 6.0L Temperature 160F; With Original Water Pump Requiring Integrated Thermostat And Housing; Alternate Temperature Option
Product Details
Warranty : 12-month Motorad limited warrantyQuantity 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.

Recommended Use : OE ReplacementProduct Fit : Direct Fit
UltraStat Series Thermostat Housing - Direct Fit, Kit
Part Number: MRD524KTUS
Guaranteed to Fit
$26.99
Vehicle Fitment
  • 2003 Chevrolet Silverado 2500 Base 8 Cyl 6.0L Temperature 187F; With Replacement Late Model Water Pump Requiring Separate Thermostat And Housing; Oe Specified Temperature
  • 2003 Chevrolet Silverado 2500 LT 8 Cyl 6.0L Temperature 187F; With Replacement Late Model Water Pump Requiring Separate Thermostat And Housing; Oe Specified Temperature
  • 2003 Chevrolet Silverado 2500 LS 8 Cyl 6.0L Temperature 187F; With Replacement Late Model Water Pump Requiring Separate Thermostat And Housing; Oe Specified Temperature
Product Details
Warranty : 12-month Motorad limited warrantyQuantity Sold : KitProp 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 degreesSeries : UltraStat SeriesThermostat Included : With thermostatRecommended Use : OE ReplacementProduct Fit : Direct Fit
Thermostat Housing - Direct Fit, Kit
Part Number: MRD524KT
Guaranteed to Fit
$23.99
Vehicle Fitment
  • 2003 Chevrolet Silverado 2500 Base 8 Cyl 6.0L Temperature 187F; With Replacement Late Model Water Pump Requiring Separate Thermostat And Housing; Oe Specified Temperature
  • 2003 Chevrolet Silverado 2500 LT 8 Cyl 6.0L Temperature 187F; With Replacement Late Model Water Pump Requiring Separate Thermostat And Housing; Oe Specified Temperature
  • 2003 Chevrolet Silverado 2500 LS 8 Cyl 6.0L Temperature 187F; With Replacement Late Model Water Pump Requiring Separate Thermostat And Housing; Oe Specified Temperature
Product Details
Warranty : 12-month Motorad limited warrantyQuantity Sold : KitProp 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 degreesThermostat Included : With thermostatRecommended Use : OE ReplacementProduct Fit : Direct Fit
OE Solutions Series Thermostat Housing - Natural, Metal, Direct Fit, Sold individually
Part Number: RB902700
Guaranteed to Fit
$16.99
Vehicle Fitment
  • 2003 Chevrolet Silverado 2500 Base 8 Cyl 6.0L With Water Pump Casting No. 12562459; With Thermostat Retainer Brackets; 186 Degree Fahrenheit
  • 2003 Chevrolet Silverado 2500 LT 8 Cyl 6.0L With Water Pump Casting No. 12562459; With Thermostat Retainer Brackets; 186 Degree Fahrenheit
  • 2003 Chevrolet Silverado 2500 LS 8 Cyl 6.0L With Water Pump Casting No. 12562459; With Thermostat Retainer Brackets; 186 Degree Fahrenheit
Product Details
Notes : 0.38 in. Bolt Hole Diameter; 3 Bolt Holes; Gasket Included; 30 degrees Housing Neck Angle; 1.5 in. Outlet DiameterWarranty : Lifetime Dorman limited warrantyQuantity Sold : Sold individuallyProp 65 Warning :

Warning SymbolWARNING: This product can expose you to chemicals including Nickel, 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 Solutions SeriesInterchange Part Number : JC319601, 37987, 85254, 85580, 33910, 14298, 379-160, 379-180, 379-187, 815254, 815580, 12571261, 8125712610, TG260T, 6260, 6260-T, KGT-379-160T, KGT-379-180T, KGT-379-187T, SK902700Replaces OE Number : 37987, 85254, 85580, 33910, 14298, 379-160, 379-180, 379-187, 815254, 815580, 12571261, 8125712610, TG260T, 6260, 6260-T, KGT-379-160T, KGT-379-180T, KGT-379-187T, SK902700Material : MetalRecommended Use : OE ReplacementProduct Fit : Direct FitColor Finish : Natural
Thermostat Housing - Direct Fit, Sold individually
Part Number: MRD379-187
Guaranteed to Fit
$15.99
Vehicle Fitment
  • 2003 Chevrolet Silverado 2500 Base 8 Cyl 6.0L Temperature 187F; With Original Water Pump Requiring Integrated Thermostat And Housing; Oe Specified Temperature
  • 2003 Chevrolet Silverado 2500 LT 8 Cyl 6.0L Temperature 187F; With Original Water Pump Requiring Integrated Thermostat And Housing; Oe Specified Temperature
  • 2003 Chevrolet Silverado 2500 LS 8 Cyl 6.0L Temperature 187F; With Original Water Pump Requiring Integrated Thermostat And Housing; Oe Specified Temperature
Product Details
Warranty : 12-month Motorad limited warrantyQuantity 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.

Recommended Use : OE ReplacementProduct Fit : Direct Fit
Thermostat Housing - Direct Fit, Sold individually
Part Number: MRD379-180
Guaranteed to Fit
$15.99
Vehicle Fitment
  • 2003 Chevrolet Silverado 2500 Base 8 Cyl 6.0L Temperature 180F; With Housing, Thermostat, and Seal; With Original Water Pump Requiring Integrated Thermostat and Housing; Alternate Temperature Option
  • 2003 Chevrolet Silverado 2500 LT 8 Cyl 6.0L Temperature 180F; With Housing, Thermostat, and Seal; With Original Water Pump Requiring Integrated Thermostat and Housing; Alternate Temperature Option
  • 2003 Chevrolet Silverado 2500 LS 8 Cyl 6.0L Temperature 180F; With Housing, Thermostat, and Seal; With Original Water Pump Requiring Integrated Thermostat and Housing; Alternate Temperature Option
Product Details
Warranty : 12-month Motorad limited warrantyQuantity 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.

Recommended Use : OE ReplacementProduct Fit : Direct Fit
OE Solutions Series Thermostat Housing - Natural, Aluminum, Direct Fit, Sold individually
Part Number: RB9022700
Guaranteed to Fit
$29.49
Vehicle Fitment
  • 2003 Chevrolet Silverado 2500 Base 8 Cyl 6.0L With Water Pump Casting No. 12562459; With Thermostat Retainer Brackets; 180 Degree Fahrenheit
  • 2003 Chevrolet Silverado 2500 LT 8 Cyl 6.0L With Water Pump Casting No. 12562459; With Thermostat Retainer Brackets; 180 Degree Fahrenheit
  • 2003 Chevrolet Silverado 2500 LS 8 Cyl 6.0L With Water Pump Casting No. 12562459; With Thermostat Retainer Brackets; 180 Degree Fahrenheit
Product Details
Notes : 1.3 in. ID; 4.38 in. Flange Length; 0.35 in. Flange Thickness; 2.75 in. Flange Width; (3) Bolt Hole Quantity; O-Ring Gasket TypeWarranty : Lifetime Dorman limited warrantyQuantity 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.

Replaces OE Number : 379-180, 12571261, 8125712610Material : AluminumRecommended Use : OE ReplacementProduct Fit : Direct FitIncludes : 1 Thermostat Housing; 1 Thermostat; 1 O-RingOpening Temperature Rating : 180 degrees FSeries : OE Solutions SeriesThermostat Included : With thermostatInterchange Part Number : 379-180, 12571261, 8125712610Color Finish : Natural
Fail-Safe Series Thermostat Housing - Direct Fit, Kit
Part Number: MRD524KTFS
Guaranteed to Fit
$59.49
Vehicle Fitment
  • 2003 Chevrolet Silverado 2500 Base 8 Cyl 6.0L Temperature 187F; With Replacement Late Model Water Pump Requiring Separate Thermostat And Housing; Oe Specified Temperature
  • 2003 Chevrolet Silverado 2500 LT 8 Cyl 6.0L Temperature 187F; With Replacement Late Model Water Pump Requiring Separate Thermostat And Housing; Oe Specified Temperature
  • 2003 Chevrolet Silverado 2500 LS 8 Cyl 6.0L Temperature 187F; With Replacement Late Model Water Pump Requiring Separate Thermostat And Housing; Oe Specified Temperature
Product Details
Warranty : 12-month Motorad limited warrantyQuantity Sold : KitProp 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 degreesSeries : Fail-Safe SeriesThermostat Included : With thermostatRecommended Use : OE ReplacementProduct Fit : Direct Fit
GM Original Equipment Series Thermostat Housing - Direct Fit, Sold individually
Part Number: AC1511057
Guaranteed to Fit
$42.49
Vehicle Fitment
  • 2003 Chevrolet Silverado 2500 All Submodels All Engines
Product Details
Notes : 2.5 in. Max Height; 0.28 in. Mount Hole Diameter; 1.98 in. Center Bore Diameter; 2.4 in. Inlet Tube Length; 2.99 in. Bolt Hole Center To Bolt Hole CenterWarranty : 24-months or unlimited mile AC Delco limited warrantyQuantity 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.

Series : GM Original Equipment SeriesRecommended Use : OE ReplacementProduct Fit : Direct Fit
OE Solutions Series Thermostat Housing - Direct Fit, Sold individually
Part Number: RB9022836
Guaranteed to Fit
$55.49
Vehicle Fitment
  • 2003 Chevrolet Silverado 2500 Base 8 Cyl 6.0L Without Water Pump Casting No. 12562459; Use If Original Water Pump Replaced With Later Design
  • 2003 Chevrolet Silverado 2500 LT 8 Cyl 6.0L Without Water Pump Casting No. 12562459; Use If Original Water Pump Replaced With Later Design
  • 2003 Chevrolet Silverado 2500 LS 8 Cyl 6.0L Without Water Pump Casting No. 12562459; Use If Original Water Pump Replaced With Later Design
Product Details
Warranty : Lifetime Dorman limited warrantyQuantity 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.

Series : OE Solutions SeriesInterchange Part Number : 85083, 34702, 524KT, 12568911, 12581594, 12600172, 12600178, 8125689110, 8125815940, 8126001720Replaces OE Number : 85083, 34702, 524KT, 12568911, 12581594, 12600172, 12600178, 8125689110, 8125815940, 8126001720Recommended Use : OE ReplacementProduct Fit : Direct Fit
GM Original Equipment Series Thermostat Housing - Direct Fit, Sold individually
Part Number: AC1510412
Guaranteed to Fit
$39.99
Vehicle Fitment
  • 2003 Chevrolet Silverado 2500 All Submodels All Engines
Product Details
Notes : Inlet; With pumpWarranty : 24-months or unlimited mile AC Delco limited warrantyQuantity 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.

Series : GM Original Equipment SeriesInterchange Part Number : REPC319601Product Fit : Direct Fit
Thermostat Housing - Sold individually
Part Number: H1997169
Universal Fit
$24.94
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.

Page 1 of 2 | Showing 1 - 15 of 21 results

Top Rated Products

Very pleased with the thermostat and housing. Perfect fit. Identical to the original See More
Frank D.
VERIFIED PURCHASER

Popular Products

Product Questions & Answers

Q:Does this come with thermostat as well or just the housing? Picture shows both Show Less
Gage
A:BEST ANSWERHi Kristian, I'm glad to assist you. Yes. It does come with a thermostat, as shown in the images online. If your truck/car/SUV appears in the vehicle fitment information below (after selecting the year, make, model, submodel, and engine size), it is a guaranteed fit part. For us to check carefully and be accurate on the part you need, please provide the complete details of your vehicle (year, make, model, submodel, 2WD/4WD, and engine size). The VIN would be helpful. It is best to call our parts specialist (for real-time live & immediate assistance) on our toll-free number, 1-866-529-0412 (Mon to Sun). Show less
Jeonino E.
 
1 Question, 1 AnswerView all Q&As >
Q:Is it just the housing or the thermostat included?
Khatera M.
A:BEST ANSWERHi Khatera, I'm glad to assist you. It is the thermostat and housing assembly. If your car appears in the vehicle fitment information below (upon selecting the year, make, model, submodel, and engine size), it is a guaranteed fit part. Grab our promo sale and click the link below to buy it today. Happy shopping! https://www.carparts.com/thermostat-housing/ac-delco/ac1510412?can=cpje1043_CSQA_20240318 Show less
Jeonino E.
 
1 Question, 1 AnswerView all Q&As >

Helpful Automotive Resources

Thermostat Housing: Leak Causes, Replacement Cost, Symptoms
Thermostat Housing: Leak Causes, Replacement Cost, SymptomsCoolant will also leak out of the system once the housing is cracked, warped, or damaged in any way. A failed or worn seal may also cause a similar issue. Your engine may overheat if your thermostat housing keeps on leaking, so it’s best to address this issue right away. The