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2003 GMC Sierra 1500

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Displaying 1 to 25 (of 42 products)
On Sale:

$51.35

Avail:
3 in Stock
Warehouse: US-7
Qty:
EnginePer VehiclePositionFit NotesFitment Notes
2003 GMC Sierra 1500 equipped with
6.0L V8 Gas OHV
 
1
 
Thermostat To Heater
 
Molded
Re-use OEM Quick Connect
Cut to Fit
 
2003 GMC Sierra 1500 equipped with
6.0L V8 Gas OHV
Thermostat To Heater Molded
Re-use OEM Quick Connect
Cut to Fit

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
 
Thermostat To Heater
 
Molded
Cut to Fit
 
2003 GMC Sierra 1500 equipped with
5.3L V8 Gas OHV,
5.3L V8 Flex OHV,
4.8L V8 Gas OHV
Thermostat To Heater Molded
Cut to Fit

1 Per Vehicle
On Sale:

$15.59

Avail:
3 in Stock
Warehouse: US-7
Qty:
EnginePer VehiclePositionFit NotesFitment Notes
2003 GMC Sierra 1500 equipped with
6.0L V8 Gas OHV
 
1
 
Reservoir To Radiator
 
Molded
 
2003 GMC Sierra 1500 equipped with
6.0L V8 Gas OHV
Reservoir To Radiator Molded

1 Per Vehicle
On Sale:

$39.13

Avail:
4 in Stock
Warehouse: US-7
Qty:
EnginePer VehiclePositionFit NotesFitment Notes
2003 GMC Sierra 1500 equipped with
5.3L V8 Gas OHV,
5.3L V8 Flex OHV,
4.8L V8 Gas OHV
 
1
 
Reservoir To Radiator
 
Molded
 
2003 GMC Sierra 1500 equipped with
5.3L V8 Gas OHV,
5.3L V8 Flex OHV,
4.8L V8 Gas OHV
Reservoir To Radiator Molded

1 Per Vehicle
2003 GMC Sierra 1500 equipped with
4.3L V6 Gas OHV
 
1
 
Radiator To Reservoir
 
Molded
 
2003 GMC Sierra 1500 equipped with
4.3L V6 Gas OHV
Radiator To Reservoir Molded

1 Per Vehicle
On Sale:

$99.31

Avail:
8 in Stock
Warehouse: US-7
Qty:
EnginePer VehiclePositionFit NotesFitment Notes
2003 GMC Sierra 1500 equipped with
5.3L V8 Gas OHV,
5.3L V8 Flex OHV,
4.8L V8 Gas OHV
 
1
 
Heater Inlet
 
Molded
 
2003 GMC Sierra 1500 equipped with
5.3L V8 Gas OHV,
5.3L V8 Flex OHV,
4.8L V8 Gas OHV
Heater Inlet Molded

1 Per Vehicle
On Sale:

$26.07

Avail:
2 in Stock
Warehouse: US-7
Qty:
EnginePer VehiclePositionFit 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
 
Radiator To Throttle Body
 
Molded
 
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
Radiator To Throttle Body Molded

1 Per Vehicle
On Sale:

$22.99

Avail:
15 in Stock
Warehouse: US-7
Qty:
EnginePer VehiclePositionFit 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
 
Heater To Thermostat
 
Molded
 
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
Heater To Thermostat Molded

1 Per Vehicle
On Sale:

$18.61

Avail:
2 in Stock
Warehouse: US-1
Qty:
EnginePer VehiclePositionFit 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
 
Radiator To Throttle Body
 
Molded Heater Hose
 
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
Radiator To Throttle Body Molded Heater Hose

1 Per Vehicle
On Sale:

$29.62

Avail:
1 in Stock
Warehouse: US-1
Qty:
EnginePer VehiclePositionFit 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,
4.3L V6 Gas OHV
 
1
 
Radiator To Reservoir
 
Molded Heater Hose
 
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,
4.3L V6 Gas OHV
Radiator To Reservoir Molded Heater Hose

1 Per Vehicle
On Sale:

$5.81

Avail:
2 in Stock
Warehouse: US-1
Qty:
EnginePer VehiclePositionFit 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
 
Throttle Body To Engine
 
Molded Heater Hose
 
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
Throttle Body To Engine Molded Heater Hose

1 Per Vehicle
On Sale:

$29.24

Avail:
8 in Stock
Warehouse: US-1
Qty:
EnginePer VehiclePositionFit 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
 
Heater To Tank
 
Molded Coolant Hose
 
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
Heater To Tank Molded Coolant Hose

1 Per Vehicle
On Sale:

$50.83

Avail:
15 in Stock
Warehouse: US-1
Qty:
EnginePer VehiclePositionFit 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
 
Heater Inlet
 
Straight Heater Hose (Standard)
Cut to Length, 33
 
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
Heater Inlet Straight Heater Hose (Standard)
Cut to Length, 33

1 Per Vehicle
On Sale:

$12.95

Avail:
5 in Stock
Warehouse: US-1
Qty:
EnginePer VehiclePositionFit NotesFitment Notes
2003 GMC Sierra 1500 equipped with
4.3L V6 Gas OHV
 
1
 
Heater To Engine
 
90 Degree Molded Heater Hose
Cut to fit
 
2003 GMC Sierra 1500 equipped with
4.3L V6 Gas OHV
Heater To Engine 90 Degree Molded Heater Hose
Cut to fit

1 Per Vehicle
On Sale:

$32.30

Avail:
1 in Stock
Warehouse: US-1
Qty:
EnginePer VehiclePositionFit 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
 
Heater To Thermostat
 
Molded Coolant Hose
 
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
Heater To Thermostat Molded Coolant Hose

1 Per Vehicle
On Sale:

$7.25

Avail:
194 in Stock
Warehouse: US-4
Qty:
EnginePer VehiclePositionFit 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
 
Throttle Body To Engine
 
Gold-Molded
 
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
Throttle Body To Engine Gold-Molded

1 Per Vehicle
On Sale:

$40.61

Avail:
246 in Stock
Warehouse: US-4
Qty:
EnginePer VehiclePositionFit NotesFitment Notes
2003 GMC Sierra 1500 equipped with
5.3L V8 Flex OHV
 
1
 
Heater Inlet
 
Except AUX HTR,RR(C36)
CODE 3368,WMF)(ASM WILL INCLUDE QUICK CONNECT CONN 15032062
853X137X45MM
Eng: L59
8th VIN Digit: Z
 
2003 GMC Sierra 1500 equipped with
5.3L V8 Flex OHV
Heater Inlet Except AUX HTR,RR(C36)
CODE 3368,WMF)(ASM WILL INCLUDE QUICK CONNECT CONN 15032062
853X137X45MM
Eng: L59
8th VIN Digit: Z

1 Per Vehicle
2003 GMC Sierra 1500 equipped with
4.8L V8 Gas OHV
 
1
 
Heater Inlet
 
Except AUX HTR,RR(C36)
CODE 3368,WMF)(ASM WILL INCLUDE QUICK CONNECT CONN 15032062
853X137X45MM
8th VIN Digit: V
 
2003 GMC Sierra 1500 equipped with
4.8L V8 Gas OHV
Heater Inlet Except AUX HTR,RR(C36)
CODE 3368,WMF)(ASM WILL INCLUDE QUICK CONNECT CONN 15032062
853X137X45MM
8th VIN Digit: V

1 Per Vehicle
2003 GMC Sierra 1500 equipped with
5.3L V8 Gas OHV
 
1
 
Heater Inlet
 
Except AUX HTR,RR(C36)
CODE 3368,WMF)(ASM WILL INCLUDE QUICK CONNECT CONN 15032062
853X137X45MM
Eng: LM7
8th VIN Digit: T
 
2003 GMC Sierra 1500 equipped with
5.3L V8 Gas OHV
Heater Inlet Except AUX HTR,RR(C36)
CODE 3368,WMF)(ASM WILL INCLUDE QUICK CONNECT CONN 15032062
853X137X45MM
Eng: LM7
8th VIN Digit: T

1 Per Vehicle
2003 GMC Sierra 1500 equipped with
6.0L V8 Gas OHV
 
1
 
Heater Inlet
 
Except AUX HTR,RR(C36)
CODE 3368,WMF)(ASM WILL INCLUDE QUICK CONNECT CONN 15032062
853X137X45MM
Eng: LQ4
8th VIN Digit: U
 
2003 GMC Sierra 1500 equipped with
6.0L V8 Gas OHV
Heater Inlet Except AUX HTR,RR(C36)
CODE 3368,WMF)(ASM WILL INCLUDE QUICK CONNECT CONN 15032062
853X137X45MM
Eng: LQ4
8th VIN Digit: U

1 Per Vehicle
On Sale:

$34.76

Avail:
59 in Stock
Warehouse: US-4
Qty:
EnginePer VehiclePositionFit 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,
4.3L V6 Gas OHV
 
1
 
Radiator To Reservoir
 
Gold-Molded
 
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,
4.3L V6 Gas OHV
Radiator To Reservoir Gold-Molded

1 Per Vehicle
On Sale:

$20.17

Avail:
12 in Stock
Warehouse: US-4
Qty:
EnginePer VehiclePositionFit NotesFitment Notes
2003 GMC Sierra 1500 equipped with
4.3L V6 Gas OHV
 
1
 
Heater To Engine
 
Gold-90 Degree Molded
Cut to fit
 
2003 GMC Sierra 1500 equipped with
4.3L V6 Gas OHV
Heater To Engine Gold-90 Degree Molded
Cut to fit

1 Per Vehicle
On Sale:

$29.42

Avail:
64 in Stock
Warehouse: US-4
Qty:
EnginePer VehiclePositionFit 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
 
Radiator To Throttle Body
 
Gold-Molded
 
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
Radiator To Throttle Body Gold-Molded

1 Per Vehicle
On Sale:

$36.98

Avail:
395 in Stock
Warehouse: US-4
Qty:
EnginePer VehiclePositionFit 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
 
Heater To Tank
 
Gold-Molded
 
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
Heater To Tank Gold-Molded

1 Per Vehicle
On Sale:

$25.24

Avail:
3 in Stock
Warehouse: US-12
Qty:
EnginePer VehiclePositionFit NotesFitment Notes
2003 GMC Sierra 1500 equipped with
4.3L V6 Gas OHV
 
1
 
Engine To Heater
 
Gold-Molded
 
2003 GMC Sierra 1500 equipped with
4.3L V6 Gas OHV
Engine To Heater Gold-Molded

1 Per Vehicle
On Sale:

$44.80

Avail:
37 in Stock
Warehouse: US-4
Qty:
EnginePer VehiclePositionFit NotesFitment Notes
2003 GMC Sierra 1500 equipped with
4.3L V6 Gas OHV
 
1
 
Heater Outlet
 
Eng: LU3
8th VIN Digit: X
 
2003 GMC Sierra 1500 equipped with
4.3L V6 Gas OHV
Heater Outlet Eng: LU3
8th VIN Digit: X

1 Per Vehicle
On Sale:

$20.50

Avail:
30 in Stock
Warehouse: US-4
Qty:
EnginePer VehiclePositionFit NotesFitment Notes
2003 GMC Sierra 1500 equipped with
4.3L V6 Gas OHV
 
1
 
Heater Inlet
 
Eng: LU3
8th VIN Digit: X
 
2003 GMC Sierra 1500 equipped with
4.3L V6 Gas OHV
Heater Inlet Eng: LU3
8th VIN Digit: X

1 Per Vehicle
On Sale:

$66.15

Avail:
60 in Stock
Warehouse: US-4
Qty:
EnginePer VehiclePositionFit 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
 
Heater Inlet
 
Gold-Straight
Cut to Length, 33
 
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
Heater Inlet Gold-Straight
Cut to Length, 33

1 Per Vehicle
On Sale:

$17.43

Avail:
11 in Stock
Warehouse: US-4
Qty:
EnginePer VehiclePositionFit NotesFitment Notes
2003 GMC Sierra 1500 equipped with
4.3L V6 Gas OHV
 
1
 
Engine To Heater
 
Molded Heater Hose
 
2003 GMC Sierra 1500 equipped with
4.3L V6 Gas OHV
Engine To Heater Molded Heater Hose

1 Per Vehicle
On Sale:

$41.69

Avail:
28 in Stock
Warehouse: US-4
Qty:
EnginePer VehiclePositionFit NotesFitment Notes
2003 GMC Sierra 1500 equipped with
6.0L V8 Gas OHV
 
1
 
Thermostat To Heater
 
Molded
Re-use OEM Quick Connect
Cut to Fit
 
2003 GMC Sierra 1500 equipped with
6.0L V8 Gas OHV
Thermostat To Heater Molded
Re-use OEM Quick Connect
Cut to Fit

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
 
Thermostat To Heater
 
Molded
Cut to Fit
 
2003 GMC Sierra 1500 equipped with
5.3L V8 Gas OHV,
5.3L V8 Flex OHV,
4.8L V8 Gas OHV
Thermostat To Heater Molded
Cut to Fit

1 Per Vehicle
Displaying 1 to 25 (of 42 products)