Brands Vehicles
Lowest Prices
Free Returns
Online Since 2009
Shopping for

2003 GMC Sierra 1500

X

Displaying 1 to 9 (of 9 products)
On Sale:

$122.51

Avail:
5 in Stock
Warehouse: US-1
Qty:
EnginePer VehicleFit NotesFitment Notes
2003 GMC Sierra 1500 equipped with
5.3L V8 Gas OHV,
5.3L V8 Flex OHV,
4.8L V8 Gas OHV,
4.3L V6 Gas OHV
 
1
 
28 1/4 x 17 1/4 x 1 Core
w/ Transmission Oil Cooler
w/o Engine Oil Cooler
Quick connect radiator hoses must be replaced when removed.
Radiator Cap is Not Needed
 
2003 GMC Sierra 1500 equipped with
5.3L V8 Gas OHV,
5.3L V8 Flex OHV,
4.8L V8 Gas OHV,
4.3L V6 Gas OHV 28 1/4 x 17 1/4 x 1 Core
w/ Transmission Oil Cooler
w/o Engine Oil Cooler
Quick connect radiator hoses must be replaced when removed.
Radiator Cap is Not Needed

1 Per Vehicle
On Sale:

$164.68

Avail:
13 in Stock
Warehouse: US-1
Qty:
EnginePer VehicleFit NotesFitment Notes
2003 GMC Sierra 1500 equipped with
5.3L V8 Gas OHV,
5.3L V8 Flex OHV,
4.8L V8 Gas OHV,
4.3L V6 Gas OHV
 
1
 
34 1/8 x 17 1/4 x 1 Core
w/ Transmission Oil Cooler
w/ Engine Oil Cooler
Quick connect radiator hoses must be replaced when removed.
Radiator Cap is Not Needed
Automatic Transmission
 
2003 GMC Sierra 1500 equipped with
5.3L V8 Gas OHV,
5.3L V8 Flex OHV,
4.8L V8 Gas OHV,
4.3L V6 Gas OHV 34 1/8 x 17 1/4 x 1 Core
w/ Transmission Oil Cooler
w/ Engine Oil Cooler
Quick connect radiator hoses must be replaced when removed.
Radiator Cap is Not Needed
Automatic Transmission

1 Per Vehicle
2003 GMC Sierra 1500 equipped with
6.0L V8 Gas OHV
 
1
 
34 1/8 x 17 1/4 x 1 Core
w/ Transmission Oil Cooler
w/ Engine Oil Cooler
Quick connect radiator hoses must be replaced when removed.
Radiator Cap is Not Needed
 
2003 GMC Sierra 1500 equipped with
6.0L V8 Gas OHV 34 1/8 x 17 1/4 x 1 Core
w/ Transmission Oil Cooler
w/ Engine Oil Cooler
Quick connect radiator hoses must be replaced when removed.
Radiator Cap is Not Needed

1 Per Vehicle
On Sale:

$141.11

Avail:
9 in Stock
Warehouse: US-1
Qty:
EnginePer VehicleFit NotesFitment Notes
2003 GMC Sierra 1500 equipped with
5.3L V8 Gas OHV,
5.3L V8 Flex OHV
 
1
 
34 1/8 x 17 1/4 x 1 Core
w/ Transmission Oil Cooler
w/o Engine Oil Cooler
Quick connect radiator hoses must be replaced when removed.
Radiator Cap is Not Needed
Automatic Transmission
 
2003 GMC Sierra 1500 equipped with
5.3L V8 Gas OHV,
5.3L V8 Flex OHV 34 1/8 x 17 1/4 x 1 Core
w/ Transmission Oil Cooler
w/o Engine Oil Cooler
Quick connect radiator hoses must be replaced when removed.
Radiator Cap is Not Needed
Automatic Transmission

1 Per Vehicle
2003 GMC Sierra 1500 equipped with
6.0L V8 Gas OHV,
4.3L V6 Gas OHV
 
1
 
34 1/8 x 17 1/4 x 1 Core
w/ Transmission Oil Cooler
w/o Engine Oil Cooler
Quick connect radiator hoses must be replaced when removed.
Radiator Cap is Not Needed
 
2003 GMC Sierra 1500 equipped with
6.0L V8 Gas OHV,
4.3L V6 Gas OHV 34 1/8 x 17 1/4 x 1 Core
w/ Transmission Oil Cooler
w/o Engine Oil Cooler
Quick connect radiator hoses must be replaced when removed.
Radiator Cap is Not Needed

1 Per Vehicle
On Sale:

$111.46

Avail:
15 in Stock
Warehouse: US-14
Qty:
EnginePer VehicleFit NotesFitment Notes
2003 GMC Sierra 1500 equipped with
5.3L V8 Flex OHV
 
1
 
Crossflow Radiator
Radiator with 31 Between Sides
Eng: L59
8th VIN Digit: Z
 
2003 GMC Sierra 1500 equipped with
5.3L V8 Flex OHV Crossflow Radiator
Radiator with 31 Between Sides
Eng: L59
8th VIN Digit: Z

1 Per Vehicle
2003 GMC Sierra 1500 equipped with
4.8L V8 Gas OHV
 
1
 
Crossflow Radiator
Radiator with 31 Between Sides
8th VIN Digit: V
 
2003 GMC Sierra 1500 equipped with
4.8L V8 Gas OHV Crossflow Radiator
Radiator with 31 Between Sides
8th VIN Digit: V

1 Per Vehicle
2003 GMC Sierra 1500 equipped with
5.3L V8 Gas OHV
 
1
 
Crossflow Radiator
Radiator with 31 Between Sides
Eng: LM7
8th VIN Digit: T
 
2003 GMC Sierra 1500 equipped with
5.3L V8 Gas OHV Crossflow Radiator
Radiator with 31 Between Sides
Eng: LM7
8th VIN Digit: T

1 Per Vehicle
On Sale:

$114.85

Avail:
9 in Stock
Warehouse: US-14
Qty:
EnginePer VehicleFit NotesFitment Notes
2003 GMC Sierra 1500 equipped with
4.3L V6 Gas OHV
 
1
 
Crossflow Radiator
without Engine Oil Cooler
Eng: LU3
8th VIN Digit: X
 
2003 GMC Sierra 1500 equipped with
4.3L V6 Gas OHV Crossflow Radiator
without Engine Oil Cooler
Eng: LU3
8th VIN Digit: X

1 Per Vehicle
On Sale:

$148.48

Avail:
2 in Stock
Warehouse: US-1
Qty:
EnginePer VehicleFitment Notes
2003 GMC Sierra 1500 equipped with
5.3L V8 Gas OHV,
5.3L V8 Flex OHV,
4.8L V8 Gas OHV
 
1
 
2003 GMC Sierra 1500 equipped with
5.3L V8 Gas OHV,
5.3L V8 Flex OHV,
4.8L V8 Gas OHV
1 Per Vehicle
On Sale:

$183.72

Avail:
2 in Stock
Warehouse: US-1
Qty:
EnginePer VehicleFitment Notes
2003 GMC Sierra 1500 equipped with
6.0L V8 Gas OHV
 
1
 
2003 GMC Sierra 1500 equipped with
6.0L V8 Gas OHV
1 Per Vehicle
On Sale:

$322.69

Avail:
29 in Stock
Warehouse: US-4
Qty:
EnginePer VehicleFit NotesFitment Notes
2003 GMC Sierra 1500 equipped with
6.0L V8 Gas OHV
 
1
 
CORE SIZE 34IN X 18 1/2IN X 1 1/8IN, CODE AJW,AFA,ACY,ARY,APA,ATW, TRANS OIL CLR
3.73R(GT4)
Eng: LQ4
8th VIN Digit: U
Mfr Code: 4L65-E
 
2003 GMC Sierra 1500 equipped with
6.0L V8 Gas OHV CORE SIZE 34IN X 18 1/2IN X 1 1/8IN, CODE AJW,AFA,ACY,ARY,APA,ATW, TRANS OIL CLR
3.73R(GT4)
Eng: LQ4
8th VIN Digit: U
Mfr Code: 4L65-E

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
 
1
 
4.10R(GT5)
CORE SIZE 34 X 17 1/4 X 1 1/8)(W/TRANS & ENG OIL CLR
VIN: U, Automatic Trans, 4L65-E, 4 Speed Trans, Transmission
 
2003 GMC Sierra 1500 equipped with
6.0L V8 Gas OHV 4.10R(GT5)
CORE SIZE 34 X 17 1/4 X 1 1/8)(W/TRANS & ENG OIL CLR
VIN: U, Automatic Trans, 4L65-E, 4 Speed Trans, Transmission
1 Per Vehicle
Displaying 1 to 9 (of 9 products)