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2003 GMC Sierra 1500

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Displaying 1 to 25 (of 35 products)
Avail:
0 in Stock
 OUT OF STOCK
EnginePer VehicleFit NotesFitment Notes
2003 GMC Sierra 1500 equipped with
6.0L V8 Gas OHV,
5.3L V8 Gas OHV,
5.3L V8 Flex OHV,
4.8L V8 Gas OHV
 
1
 
Professional
Temperature 187F
Includes seal
w/ Replacement late model water pump requiring seperate thermostat and housing. Thermostat only.
OEM Recommended Temp
Standard
 
2003 GMC Sierra 1500 equipped with
6.0L V8 Gas OHV,
5.3L V8 Gas OHV,
5.3L V8 Flex OHV,
4.8L V8 Gas OHV Professional
Temperature 187F
Includes seal
w/ Replacement late model water pump requiring seperate thermostat and housing. Thermostat only.
OEM Recommended Temp
Standard

1 Per Vehicle
Avail:
0 in Stock
 OUT OF STOCK
EnginePer VehicleFit NotesFitment Notes
2003 GMC Sierra 1500 equipped with
4.3L V6 Gas OHV
 
1
 
Gold
Temperature 160F
Standard
Alternate Temp
 
2003 GMC Sierra 1500 equipped with
4.3L V6 Gas OHV Gold
Temperature 160F
Standard
Alternate Temp

1 Per Vehicle
Avail:
0 in Stock
 OUT OF STOCK
EnginePer VehicleFit NotesFitment Notes
2003 GMC Sierra 1500 equipped with
4.3L V6 Gas OHV
 
1
 
Gold
Temperature 170F
Standard
Alternate Temp
 
2003 GMC Sierra 1500 equipped with
4.3L V6 Gas OHV Gold
Temperature 170F
Standard
Alternate Temp

1 Per Vehicle
Avail:
0 in Stock
 OUT OF STOCK
EnginePer VehicleFit NotesFitment Notes
2003 GMC Sierra 1500 equipped with
4.3L V6 Gas OHV
 
1
 
Gold
Temperature 180F
Standard
Alternate Temp
 
2003 GMC Sierra 1500 equipped with
4.3L V6 Gas OHV Gold
Temperature 180F
Standard
Alternate Temp

1 Per Vehicle
Avail:
0 in Stock
 OUT OF STOCK
EnginePer VehicleFit NotesFitment Notes
2003 GMC Sierra 1500 equipped with
4.3L V6 Gas OHV
 
1
 
Gold
Temperature 195F
Standard
OEM Recommended Temp
 
2003 GMC Sierra 1500 equipped with
4.3L V6 Gas OHV Gold
Temperature 195F
Standard
OEM Recommended Temp

1 Per Vehicle
On Sale:

$27.59

Avail:
442 in Stock
Warehouse: US-4
Qty:
EnginePer VehicleFit NotesFitment Notes
2003 GMC Sierra 1500 equipped with
4.3L V6 Gas OHV
 
1
 
W/SEAL
Eng: LU3
8th VIN Digit: X
 
2003 GMC Sierra 1500 equipped with
4.3L V6 Gas OHV W/SEAL
Eng: LU3
8th VIN Digit: X

1 Per Vehicle
On Sale:

$21.77

Avail:
320 in Stock
Warehouse: US-4
Qty:
EnginePer VehicleFit NotesFitment Notes
2003 GMC Sierra 1500 equipped with
5.3L V8 Gas OHV
 
1
 
SEAL NOT INCLUDED
Eng: LM7
8th VIN Digit: T
 
2003 GMC Sierra 1500 equipped with
5.3L V8 Gas OHV SEAL NOT INCLUDED
Eng: LM7
8th VIN Digit: T

1 Per Vehicle
On Sale:

$8.44

Avail:
8 in Stock
Warehouse: US-4
Qty:
EnginePer VehicleFit NotesFitment Notes
2003 GMC Sierra 1500 equipped with
4.3L V6 Gas OHV
 
1
 
OE Type Thermostat
195 Degree
GAS
OE Temperature
Seal Incld
 
2003 GMC Sierra 1500 equipped with
4.3L V6 Gas OHV OE Type Thermostat
195 Degree
GAS
OE Temperature
Seal Incld
1 Per Vehicle
On Sale:

$10.22

Avail:
84 in Stock
Warehouse: US-4
Qty:
EnginePer VehicleFit NotesFitment Notes
2003 GMC Sierra 1500 equipped with
4.3L V6 Gas OHV
 
1
 
Premium Thermostat
195 Degree
Alternate Temperature
Seal included
 
2003 GMC Sierra 1500 equipped with
4.3L V6 Gas OHV Premium Thermostat
195 Degree
Alternate Temperature
Seal included

1 Per Vehicle
On Sale:

$20.89

Avail:
2 in Stock
Warehouse: US-4
Qty:
EnginePer VehicleFit NotesFitment Notes
2003 GMC Sierra 1500 equipped with
6.0L V8 Gas OHV,
5.3L V8 Gas OHV,
5.3L V8 Flex OHV,
4.8L V8 Gas OHV
 
1
 
Integrated Housing Thermostat
W/Original Equipment or Most Aftermarket Water Pumps
186 Degree
OE Temperature
Seal included
 
2003 GMC Sierra 1500 equipped with
6.0L V8 Gas OHV,
5.3L V8 Gas OHV,
5.3L V8 Flex OHV,
4.8L V8 Gas OHV Integrated Housing Thermostat
W/Original Equipment or Most Aftermarket Water Pumps
186 Degree
OE Temperature
Seal included

1 Per Vehicle
On Sale:

$52.47

Avail:
4 in Stock
Warehouse: US-4
Qty:
EnginePer VehicleFit NotesFitment Notes
2003 GMC Sierra 1500 equipped with
6.0L V8 Gas OHV,
5.3L V8 Gas OHV,
5.3L V8 Flex OHV,
4.8L V8 Gas OHV
 
1
 
Integrated Housing Thermostat
W/GM Updated Replacement Water Pump
187 Degree
OE Temperature
Seal included
 
2003 GMC Sierra 1500 equipped with
6.0L V8 Gas OHV,
5.3L V8 Gas OHV,
5.3L V8 Flex OHV,
4.8L V8 Gas OHV Integrated Housing Thermostat
W/GM Updated Replacement Water Pump
187 Degree
OE Temperature
Seal included

1 Per Vehicle
On Sale:

$26.21

Avail:
6 in Stock
Warehouse: US-7
Qty:
EnginePer VehicleFit NotesFitment Notes
2003 GMC Sierra 1500 equipped with
4.3L V6 Gas OHV
 
1
 
OE Exact Thermostat
198 Degree
OE Temperature
Seal included
 
2003 GMC Sierra 1500 equipped with
4.3L V6 Gas OHV OE Exact Thermostat
198 Degree
OE Temperature
Seal included

1 Per Vehicle
On Sale:

$7.25

Avail:
14 in Stock
Warehouse: US-4
Qty:
EnginePer VehicleFit NotesFitment Notes
2003 GMC Sierra 1500 equipped with
4.3L V6 Gas OHV
 
1
 
High Flow
Temperature 160F
Includes seal
Alternate Temperature Option
 
2003 GMC Sierra 1500 equipped with
4.3L V6 Gas OHV High Flow
Temperature 160F
Includes seal
Alternate Temperature Option

1 Per Vehicle
On Sale:

$7.25

Avail:
20 in Stock
Warehouse: US-4
Qty:
EnginePer VehicleFit NotesFitment Notes
2003 GMC Sierra 1500 equipped with
4.3L V6 Gas OHV
 
1
 
High Flow
Temperature 180F
Includes seal
Alternate Temperature Option
 
2003 GMC Sierra 1500 equipped with
4.3L V6 Gas OHV High Flow
Temperature 180F
Includes seal
Alternate Temperature Option

1 Per Vehicle
On Sale:

$7.25

Avail:
47 in Stock
Warehouse: US-4
Qty:
EnginePer VehicleFit NotesFitment Notes
2003 GMC Sierra 1500 equipped with
4.3L V6 Gas OHV
 
1
 
High Flow
Temperature 195F
Includes seal
OE Specified Temperature
 
2003 GMC Sierra 1500 equipped with
4.3L V6 Gas OHV High Flow
Temperature 195F
Includes seal
OE Specified Temperature

1 Per Vehicle
On Sale:

$6.63

Avail:
2 in Stock
Warehouse: US-4
Qty:
EnginePer VehicleFit NotesFitment Notes
2003 GMC Sierra 1500 equipped with
4.3L V6 Gas OHV
 
1
 
Standard
Temperature 160F
Alternate Temperature Option
 
2003 GMC Sierra 1500 equipped with
4.3L V6 Gas OHV Standard
Temperature 160F
Alternate Temperature Option

1 Per Vehicle
On Sale:

$6.63

Avail:
2 in Stock
Warehouse: US-4
Qty:
EnginePer VehicleFit NotesFitment Notes
2003 GMC Sierra 1500 equipped with
4.3L V6 Gas OHV
 
1
 
Standard
Temperature 170F
Alternate Temperature Option
 
2003 GMC Sierra 1500 equipped with
4.3L V6 Gas OHV Standard
Temperature 170F
Alternate Temperature Option

1 Per Vehicle
On Sale:

$6.63

Avail:
17 in Stock
Warehouse: US-4
Qty:
EnginePer VehicleFit NotesFitment Notes
2003 GMC Sierra 1500 equipped with
4.3L V6 Gas OHV
 
1
 
Standard
Temperature 180F
Includes thermostat
Alternate Temperature Option
 
2003 GMC Sierra 1500 equipped with
4.3L V6 Gas OHV Standard
Temperature 180F
Includes thermostat
Alternate Temperature Option

1 Per Vehicle
On Sale:

$6.63

Avail:
84 in Stock
Warehouse: US-4
Qty:
EnginePer VehicleFit NotesFitment Notes
2003 GMC Sierra 1500 equipped with
4.3L V6 Gas OHV
 
1
 
Standard
Temperature 195F
Includes thermostat
OE Specified Temperature
 
2003 GMC Sierra 1500 equipped with
4.3L V6 Gas OHV Standard
Temperature 195F
Includes thermostat
OE Specified Temperature

1 Per Vehicle
On Sale:

$17.48

Avail:
142 in Stock
Warehouse: US-4
Qty:
EnginePer VehicleFit NotesFitment Notes
2003 GMC Sierra 1500 equipped with
6.0L V8 Gas OHV,
5.3L V8 Gas OHV,
5.3L V8 Flex OHV,
4.8L V8 Gas OHV
 
1
 
Standard
Temperature 160F
Includes seal
with Replacement Late Model Water Pump Requiring Seperate Thermostat and Housing
Thermostat Only
Alternate Temperature Option
 
2003 GMC Sierra 1500 equipped with
6.0L V8 Gas OHV,
5.3L V8 Gas OHV,
5.3L V8 Flex OHV,
4.8L V8 Gas OHV Standard
Temperature 160F
Includes seal
with Replacement Late Model Water Pump Requiring Seperate Thermostat and Housing
Thermostat Only
Alternate Temperature Option

1 Per Vehicle
On Sale:

$17.48

Avail:
51 in Stock
Warehouse: US-4
Qty:
EnginePer VehicleFit NotesFitment Notes
2003 GMC Sierra 1500 equipped with
6.0L V8 Gas OHV,
5.3L V8 Gas OHV,
5.3L V8 Flex OHV,
4.8L V8 Gas OHV
 
1
 
Standard
Temperature 180F
Includes seal
with Replacement Late Model Water Pump Requiring Seperate Thermostat and Housing
Thermostat Only
Alternate Temperature Option
 
2003 GMC Sierra 1500 equipped with
6.0L V8 Gas OHV,
5.3L V8 Gas OHV,
5.3L V8 Flex OHV,
4.8L V8 Gas OHV Standard
Temperature 180F
Includes seal
with Replacement Late Model Water Pump Requiring Seperate Thermostat and Housing
Thermostat Only
Alternate Temperature Option

1 Per Vehicle
On Sale:

$17.48

Avail:
176 in Stock
Warehouse: US-4
Qty:
EnginePer VehicleFit NotesFitment Notes
2003 GMC Sierra 1500 equipped with
6.0L V8 Gas OHV,
5.3L V8 Gas OHV,
5.3L V8 Flex OHV,
4.8L V8 Gas OHV
 
1
 
Standard
Temperature 187F
Includes thermostat and seal
with Replacement Late Model Water Pump Requiring Seperate Thermostat and Housing
Thermostat Only
OE Specified Temperature
 
2003 GMC Sierra 1500 equipped with
6.0L V8 Gas OHV,
5.3L V8 Gas OHV,
5.3L V8 Flex OHV,
4.8L V8 Gas OHV Standard
Temperature 187F
Includes thermostat and seal
with Replacement Late Model Water Pump Requiring Seperate Thermostat and Housing
Thermostat Only
OE Specified Temperature

1 Per Vehicle
Avail:
0 in Stock
 OUT OF STOCK
EnginePer VehicleFit NotesFitment Notes
2003 GMC Sierra 1500 equipped with
6.0L V8 Gas OHV,
5.3L V8 Gas OHV,
5.3L V8 Flex OHV,
4.8L V8 Gas OHV
 
1
 
Standard
Temperature 190F
Includes seal
with Replacement Late Model Water Pump Requiring Seperate Thermostat and Housing
Thermostat Only
OE Specified Temperature
 
2003 GMC Sierra 1500 equipped with
6.0L V8 Gas OHV,
5.3L V8 Gas OHV,
5.3L V8 Flex OHV,
4.8L V8 Gas OHV Standard
Temperature 190F
Includes seal
with Replacement Late Model Water Pump Requiring Seperate Thermostat and Housing
Thermostat Only
OE Specified Temperature

1 Per Vehicle
On Sale:

$13.49

Avail:
33 in Stock
Warehouse: US-4
Qty:
EnginePer VehicleFit NotesFitment Notes
2003 GMC Sierra 1500 equipped with
6.0L V8 Gas OHV
 
1
 
UltraStat
Temperature 187F
Includes seal
Thermostat Only Replacement
OE Specified Temperature
 
2003 GMC Sierra 1500 equipped with
6.0L V8 Gas OHV UltraStat
Temperature 187F
Includes seal
Thermostat Only Replacement
OE Specified Temperature

1 Per Vehicle
2003 GMC Sierra 1500 equipped with
5.3L V8 Gas OHV,
5.3L V8 Flex OHV,
4.8L V8 Gas OHV
 
1
 
UltraStat
Temperature 187F
Includes seal
with Replacement Late Model Water Pump Requiring Seperate Thermostat and Housing
Thermostat Only
OE Specified Temperature
 
2003 GMC Sierra 1500 equipped with
5.3L V8 Gas OHV,
5.3L V8 Flex OHV,
4.8L V8 Gas OHV UltraStat
Temperature 187F
Includes seal
with Replacement Late Model Water Pump Requiring Seperate Thermostat and Housing
Thermostat Only
OE Specified Temperature

1 Per Vehicle
On Sale:

$12.25

Avail:
2 in Stock
Warehouse: US-7
Qty:
EnginePer VehicleFit NotesFitment Notes
2003 GMC Sierra 1500 equipped with
4.3L V6 Gas OHV
 
1
 
Fail-Safe
The patented Fail-Safe (R) thermostat is the only thermostat on the market designed to lock in the open position, allowing coolant to continue to flow in the event of overheating.
Temperature 160F
Includes seal
Alternate Temperature Option
 
2003 GMC Sierra 1500 equipped with
4.3L V6 Gas OHV Fail-Safe
The patented Fail-Safe (R) thermostat is the only thermostat on the market designed to lock in the open position, allowing coolant to continue to flow in the event of overheating.
Temperature 160F
Includes seal
Alternate Temperature Option

1 Per Vehicle
Displaying 1 to 25 (of 35 products)