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2003 Chevrolet Silverado 1500 Thermostat

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Thermostat
Gates®
Part Number: GAT33019
Guaranteed to Fit
$12.05
Vehicle Fitment
  • 2003 Chevrolet Silverado 1500 Base 6 Cyl 4.3L
  • 2003 Chevrolet Silverado 1500 LT 6 Cyl 4.3L
  • 2003 Chevrolet Silverado 1500 LS 6 Cyl 4.3L
  • 2003 Chevrolet Silverado 1500 WT 6 Cyl 4.3L
Thermostat
Gates®
Part Number: GAT33910
Guaranteed to Fit
$24.11
Vehicle Fitment
  • 2003 Chevrolet Silverado 1500 Base 8 Cyl 4.8L FLEX, With Original Equipment or Most Aftermarket Water Pumps, 186 Degree, GAS, With Original Equipment or Most Aftermarket Water Pumps, 186 Degree
  • 2003 Chevrolet Silverado 1500 Base 8 Cyl 5.3L FLEX, With Original Equipment or Most Aftermarket Water Pumps, 186 Degree, GAS, With Original Equipment or Most Aftermarket Water Pumps, 186 Degree
  • 2003 Chevrolet Silverado 1500 LS 8 Cyl 4.8L FLEX, With Original Equipment or Most Aftermarket Water Pumps, 186 Degree, GAS, With Original Equipment or Most Aftermarket Water Pumps, 186 Degree
  • 2003 Chevrolet Silverado 1500 LS 8 Cyl 5.3L FLEX, With Original Equipment or Most Aftermarket Water Pumps, 186 Degree, GAS, With Original Equipment or Most Aftermarket Water Pumps, 186 Degree
  • 2003 Chevrolet Silverado 1500 LT 8 Cyl 4.8L FLEX, With Original Equipment or Most Aftermarket Water Pumps, 186 Degree, GAS, With Original Equipment or Most Aftermarket Water Pumps, 186 Degree
  • 2003 Chevrolet Silverado 1500 LT 8 Cyl 5.3L FLEX, With Original Equipment or Most Aftermarket Water Pumps, 186 Degree, GAS, With Original Equipment or Most Aftermarket Water Pumps, 186 Degree
  • 2003 Chevrolet Silverado 1500 WT 8 Cyl 4.8L FLEX, With Original Equipment or Most Aftermarket Water Pumps, 186 Degree, GAS, With Original Equipment or Most Aftermarket Water Pumps, 186 Degree
  • 2003 Chevrolet Silverado 1500 WT 8 Cyl 5.3L FLEX, With Original Equipment or Most Aftermarket Water Pumps, 186 Degree, GAS, With Original Equipment or Most Aftermarket Water Pumps, 186 Degree
  • 2003 Chevrolet Silverado 1500 SS 8 Cyl 6.0L FLEX, With Original Equipment or Most Aftermarket Water Pumps, 186 Degree, GAS, With Original Equipment or Most Aftermarket Water Pumps, 186 Degree
Thermostat
Gates®
Part Number: GAT33019S
Guaranteed to Fit
$14.51
Vehicle Fitment
  • 2003 Chevrolet Silverado 1500 Base 6 Cyl 4.3L GAS, 195 Degree
  • 2003 Chevrolet Silverado 1500 LT 6 Cyl 4.3L GAS, 195 Degree
  • 2003 Chevrolet Silverado 1500 LS 6 Cyl 4.3L GAS, 195 Degree
  • 2003 Chevrolet Silverado 1500 WT 6 Cyl 4.3L GAS, 195 Degree
Thermostat
Gates®
Part Number: GAT33963
Guaranteed to Fit
$15.79
Vehicle Fitment
  • 2003 Chevrolet Silverado 1500 Base 8 Cyl 5.3L FLEX, With GM Updated Replacement Water Pump, Excludes Housing, 186 Degree, GAS, With GM Updated Replacement Water Pump, Excludes Housing, 186 Degree
  • 2003 Chevrolet Silverado 1500 LS 8 Cyl 5.3L FLEX, With GM Updated Replacement Water Pump, Excludes Housing, 186 Degree, GAS, With GM Updated Replacement Water Pump, Excludes Housing, 186 Degree
  • 2003 Chevrolet Silverado 1500 LT 8 Cyl 5.3L FLEX, With GM Updated Replacement Water Pump, Excludes Housing, 186 Degree, GAS, With GM Updated Replacement Water Pump, Excludes Housing, 186 Degree
  • 2003 Chevrolet Silverado 1500 Base 8 Cyl 4.8L FLEX, With GM Updated Replacement Water Pump, Excludes Housing, 186 Degree, GAS, With GM Updated Replacement Water Pump, Excludes Housing, 186 Degree
  • 2003 Chevrolet Silverado 1500 LS 8 Cyl 4.8L FLEX, With GM Updated Replacement Water Pump, Excludes Housing, 186 Degree, GAS, With GM Updated Replacement Water Pump, Excludes Housing, 186 Degree
  • 2003 Chevrolet Silverado 1500 LT 8 Cyl 4.8L FLEX, With GM Updated Replacement Water Pump, Excludes Housing, 186 Degree, GAS, With GM Updated Replacement Water Pump, Excludes Housing, 186 Degree
  • 2003 Chevrolet Silverado 1500 WT 8 Cyl 5.3L FLEX, With GM Updated Replacement Water Pump, Excludes Housing, 186 Degree, GAS, With GM Updated Replacement Water Pump, Excludes Housing, 186 Degree
  • 2003 Chevrolet Silverado 1500 WT 8 Cyl 4.8L FLEX, With GM Updated Replacement Water Pump, Excludes Housing, 186 Degree, GAS, With GM Updated Replacement Water Pump, Excludes Housing, 186 Degree
  • 2003 Chevrolet Silverado 1500 SS 8 Cyl 6.0L FLEX, With GM Updated Replacement Water Pump, Excludes Housing, 186 Degree, GAS, With GM Updated Replacement Water Pump, Excludes Housing, 186 Degree
Thermostat
Gates®
Part Number: GAT34702
Guaranteed to Fit
$48.26
Vehicle Fitment
  • 2003 Chevrolet Silverado 1500 Base 8 Cyl 4.8L FLEX, With GM Updated Replacement Water Pump, Includes Housing, 187 Degree, GAS, With GM Updated Replacement Water Pump, Includes Housing, 187 Degree
  • 2003 Chevrolet Silverado 1500 Base 8 Cyl 5.3L FLEX, With GM Updated Replacement Water Pump, Includes Housing, 187 Degree, GAS, With GM Updated Replacement Water Pump, Includes Housing, 187 Degree
  • 2003 Chevrolet Silverado 1500 LS 8 Cyl 5.3L FLEX, With GM Updated Replacement Water Pump, Includes Housing, 187 Degree, GAS, With GM Updated Replacement Water Pump, Includes Housing, 187 Degree
  • 2003 Chevrolet Silverado 1500 LT 8 Cyl 4.8L FLEX, With GM Updated Replacement Water Pump, Includes Housing, 187 Degree, GAS, With GM Updated Replacement Water Pump, Includes Housing, 187 Degree
  • 2003 Chevrolet Silverado 1500 LT 8 Cyl 5.3L FLEX, With GM Updated Replacement Water Pump, Includes Housing, 187 Degree, GAS, With GM Updated Replacement Water Pump, Includes Housing, 187 Degree
  • 2003 Chevrolet Silverado 1500 LS 8 Cyl 4.8L FLEX, With GM Updated Replacement Water Pump, Includes Housing, 187 Degree, GAS, With GM Updated Replacement Water Pump, Includes Housing, 187 Degree
  • 2003 Chevrolet Silverado 1500 WT 8 Cyl 4.8L FLEX, With GM Updated Replacement Water Pump, Includes Housing, 187 Degree, GAS, With GM Updated Replacement Water Pump, Includes Housing, 187 Degree
  • 2003 Chevrolet Silverado 1500 WT 8 Cyl 5.3L FLEX, With GM Updated Replacement Water Pump, Includes Housing, 187 Degree, GAS, With GM Updated Replacement Water Pump, Includes Housing, 187 Degree
  • 2003 Chevrolet Silverado 1500 SS 8 Cyl 6.0L FLEX, With GM Updated Replacement Water Pump, Includes Housing, 187 Degree, GAS, With GM Updated Replacement Water Pump, Includes Housing, 187 Degree
Product Details
Notes : 1.18 in. outlet ID; 1.55 in. outlet OD; Includes jiggle pin; With (1) seal and (2) bolt holes; Integrated housing thermostat typeQuantity Sold : Sold individuallyWarranty : Lifetime Gates limited warranty
Thermostat
Stant®
Part Number: ST14119
Guaranteed to Fit
$20.50
Vehicle Fitment
  • 2003 Chevrolet Silverado 1500 Base 6 Cyl 4.3L GAS
  • 2003 Chevrolet Silverado 1500 LT 6 Cyl 4.3L GAS
  • 2003 Chevrolet Silverado 1500 LS 6 Cyl 4.3L GAS
  • 2003 Chevrolet Silverado 1500 WT 6 Cyl 4.3L GAS
Product Details
Quantity Sold : Sold individually
Thermostat
Stant®
Part Number: ST14948
Guaranteed to Fit
$21.48
Vehicle Fitment
  • 2003 Chevrolet Silverado 1500 Base 8 Cyl 4.8L FLEX, With GM Replacement Water Pump, Excludes Housing, GAS, With GM Replacement Water Pump, Excludes Housing
  • 2003 Chevrolet Silverado 1500 Base 8 Cyl 5.3L FLEX, With GM Replacement Water Pump, Excludes Housing, GAS, With GM Replacement Water Pump, Excludes Housing
  • 2003 Chevrolet Silverado 1500 LS 8 Cyl 4.8L FLEX, With GM Replacement Water Pump, Excludes Housing, GAS, With GM Replacement Water Pump, Excludes Housing
  • 2003 Chevrolet Silverado 1500 LS 8 Cyl 5.3L FLEX, With GM Replacement Water Pump, Excludes Housing, GAS, With GM Replacement Water Pump, Excludes Housing
  • 2003 Chevrolet Silverado 1500 LT 8 Cyl 4.8L FLEX, With GM Replacement Water Pump, Excludes Housing, GAS, With GM Replacement Water Pump, Excludes Housing
  • 2003 Chevrolet Silverado 1500 LT 8 Cyl 5.3L FLEX, With GM Replacement Water Pump, Excludes Housing, GAS, With GM Replacement Water Pump, Excludes Housing
  • 2003 Chevrolet Silverado 1500 WT 8 Cyl 4.8L FLEX, With GM Replacement Water Pump, Excludes Housing, GAS, With GM Replacement Water Pump, Excludes Housing
  • 2003 Chevrolet Silverado 1500 WT 8 Cyl 5.3L FLEX, With GM Replacement Water Pump, Excludes Housing, GAS, With GM Replacement Water Pump, Excludes Housing
  • 2003 Chevrolet Silverado 1500 SS 8 Cyl 6.0L FLEX, With GM Replacement Water Pump, Excludes Housing, GAS, With GM Replacement Water Pump, Excludes Housing
Product Details
Quantity Sold : Sold individually
Thermostat
Stant®
Part Number: ST45119
Guaranteed to Fit
$21.70
Vehicle Fitment
  • 2003 Chevrolet Silverado 1500 Base 6 Cyl 4.3L GAS, Temperature 195 Degrees, With Seal Included
  • 2003 Chevrolet Silverado 1500 LT 6 Cyl 4.3L GAS, Temperature 195 Degrees, With Seal Included
  • 2003 Chevrolet Silverado 1500 LS 6 Cyl 4.3L GAS, Temperature 195 Degrees, With Seal Included
  • 2003 Chevrolet Silverado 1500 WT 6 Cyl 4.3L GAS, Temperature 195 Degrees, With Seal Included
Product Details
Quantity Sold : Sold individually
Thermostat
Stant®
Part Number: ST14298
Guaranteed to Fit
$33.17
Vehicle Fitment
  • 2003 Chevrolet Silverado 1500 Base 8 Cyl 4.8L FLEX, With OE or Most Aftermarket Water Pumps, With Seal Included, Temperature 186 Degrees, GAS, With OE or Most Aftermarket Water Pumps, With Seal Included, Temperature 186 Degrees
  • 2003 Chevrolet Silverado 1500 Base 8 Cyl 5.3L FLEX, With OE or Most Aftermarket Water Pumps, With Seal Included, Temperature 186 Degrees, GAS, With OE or Most Aftermarket Water Pumps, With Seal Included, Temperature 186 Degrees
  • 2003 Chevrolet Silverado 1500 LS 8 Cyl 4.8L FLEX, With OE or Most Aftermarket Water Pumps, With Seal Included, Temperature 186 Degrees, GAS, With OE or Most Aftermarket Water Pumps, With Seal Included, Temperature 186 Degrees
  • 2003 Chevrolet Silverado 1500 LS 8 Cyl 5.3L FLEX, With OE or Most Aftermarket Water Pumps, With Seal Included, Temperature 186 Degrees, GAS, With OE or Most Aftermarket Water Pumps, With Seal Included, Temperature 186 Degrees
  • 2003 Chevrolet Silverado 1500 LT 8 Cyl 4.8L FLEX, With OE or Most Aftermarket Water Pumps, With Seal Included, Temperature 186 Degrees, GAS, With OE or Most Aftermarket Water Pumps, With Seal Included, Temperature 186 Degrees
  • 2003 Chevrolet Silverado 1500 LT 8 Cyl 5.3L FLEX, With OE or Most Aftermarket Water Pumps, With Seal Included, Temperature 186 Degrees, GAS, With OE or Most Aftermarket Water Pumps, With Seal Included, Temperature 186 Degrees
  • 2003 Chevrolet Silverado 1500 WT 8 Cyl 4.8L FLEX, With OE or Most Aftermarket Water Pumps, With Seal Included, Temperature 186 Degrees, GAS, With OE or Most Aftermarket Water Pumps, With Seal Included, Temperature 186 Degrees
  • 2003 Chevrolet Silverado 1500 WT 8 Cyl 5.3L FLEX, With OE or Most Aftermarket Water Pumps, With Seal Included, Temperature 186 Degrees, GAS, With OE or Most Aftermarket Water Pumps, With Seal Included, Temperature 186 Degrees
  • 2003 Chevrolet Silverado 1500 SS 8 Cyl 6.0L FLEX, With OE or Most Aftermarket Water Pumps, With Seal Included, Temperature 186 Degrees, GAS, With OE or Most Aftermarket Water Pumps, With Seal Included, Temperature 186 Degrees
Product Details
Notes : Stainless SteelQuantity Sold : Sold individually
Thermostat
AC Delco®
Part Number: AC12T121D
Guaranteed to Fit
$36.40
Vehicle Fitment
  • 2003 Chevrolet Silverado 1500 Base 8 Cyl 4.8L With Replacement Late Model Water Pump Requiring Seperate Thermostat And Housing
  • 2003 Chevrolet Silverado 1500 Base 8 Cyl 5.3L With Replacement Late Model Water Pump Requiring Seperate Thermostat And Housing
  • 2003 Chevrolet Silverado 1500 LS 8 Cyl 4.8L With Replacement Late Model Water Pump Requiring Seperate Thermostat And Housing
  • 2003 Chevrolet Silverado 1500 LS 8 Cyl 5.3L With Replacement Late Model Water Pump Requiring Seperate Thermostat And Housing
  • 2003 Chevrolet Silverado 1500 LT 8 Cyl 4.8L With Replacement Late Model Water Pump Requiring Seperate Thermostat And Housing
  • 2003 Chevrolet Silverado 1500 LT 8 Cyl 5.3L With Replacement Late Model Water Pump Requiring Seperate Thermostat And Housing
  • 2003 Chevrolet Silverado 1500 WT 8 Cyl 4.8L With Replacement Late Model Water Pump Requiring Seperate Thermostat And Housing
  • 2003 Chevrolet Silverado 1500 WT 8 Cyl 5.3L With Replacement Late Model Water Pump Requiring Seperate Thermostat And Housing
  • 2003 Chevrolet Silverado 1500 SS 8 Cyl 6.0L With Replacement Late Model Water Pump Requiring Seperate Thermostat And Housing
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 warranty
Thermostat
AC Delco®
Part Number: AC131151
Guaranteed to Fit
$33.73
Vehicle Fitment
  • 2003 Chevrolet Silverado 1500 Base 6 Cyl 4.3L
  • 2003 Chevrolet Silverado 1500 LT 6 Cyl 4.3L
  • 2003 Chevrolet Silverado 1500 LS 6 Cyl 4.3L
  • 2003 Chevrolet Silverado 1500 WT 6 Cyl 4.3L
Product Details
Notes : Includes SealQuantity Sold : Sold individuallyWarranty : 24-months or unlimited mile AC Delco limited warranty
Thermostat
AC Delco®
Part Number: AC12T84D
Guaranteed to Fit
$38.12
Vehicle Fitment
  • 2003 Chevrolet Silverado 1500 Base 8 Cyl 4.8L
  • 2003 Chevrolet Silverado 1500 Base 8 Cyl 5.3L
  • 2003 Chevrolet Silverado 1500 LS 8 Cyl 4.8L
  • 2003 Chevrolet Silverado 1500 LS 8 Cyl 5.3L
  • 2003 Chevrolet Silverado 1500 LT 8 Cyl 4.8L
  • 2003 Chevrolet Silverado 1500 LT 8 Cyl 5.3L
  • 2003 Chevrolet Silverado 1500 WT 8 Cyl 4.8L
  • 2003 Chevrolet Silverado 1500 WT 8 Cyl 5.3L
  • 2003 Chevrolet Silverado 1500 SS 8 Cyl 6.0L
Product Details
Notes : Includes housing and seal; With original water pump requiring integrated thermostat and housing; OEM recommended temperature; StandardQuantity Sold : Sold individuallyWarranty : 24-months or unlimited mile AC Delco limited warranty
Thermostat
AC Delco®
Part Number: AC131156
Guaranteed to Fit
$36.02
Vehicle Fitment
  • 2003 Chevrolet Silverado 1500 Base 8 Cyl 5.3L
  • 2003 Chevrolet Silverado 1500 LS 8 Cyl 5.3L
  • 2003 Chevrolet Silverado 1500 LT 8 Cyl 5.3L
  • 2003 Chevrolet Silverado 1500 WT 8 Cyl 5.3L
Product Details
Notes : Does not include seal; Used on pumps with casting number 12569519Quantity Sold : Sold individuallyWarranty : 24-months or unlimited mile AC Delco limited warranty
Thermostat
Painless®
Part Number: P4230112
Universal Fit
$54.99
Product Details
Notes : 32F to 248F Temperature range; +/- 7.3F Accuracy in degreesQuantity Sold : Sold individuallyWarranty : 1-year Painless 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.

Thermostat
Painless®
Part Number: P4230113
Universal Fit
$53.99
Product Details
Notes : M12 x 1.5 Thread Size and Pitch; 205 deg. F On/190 deg. F OffQuantity Sold : Sold individuallyWarranty : 1-year Painless 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.

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

2003 Chevrolet Silverado 1500 Thermostat Customer Reviews

Thermostat
Jul 03, 2019
so far so good.
was exactly what it was suppised to be, no surprise or differences. installed two days ago and so far so good.
Purchased on Apr 14, 2017
Thermostat
Jul 03, 2019
Factory Part
Super fast delivery. Perfect Delco part including o-ring. Tested perfect opening in hot water before assembly.
Purchased on Feb 15, 2016

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