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2003 GMC Sierra 3500

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Displaying 1 to 25 (of 27 products)
On Sale:

$140.14

Avail:
15 in Stock
Warehouse: US-7
Qty:
EnginePer VehicleFit NotesFitment Notes
2003 GMC Sierra 3500 equipped with
8.1L V8 Gas OHV,
6.0L V8 Gas OHV
 
1
 
Trans Oil Cooler
Economy Tube and Fin Cooler Heavy Duty
Size
12 x 15 1/8
 
2003 GMC Sierra 3500 equipped with
8.1L V8 Gas OHV,
6.0L V8 Gas OHV Trans Oil Cooler
Economy Tube and Fin Cooler Heavy Duty
Size
12 x 15 1/8

1 Per Vehicle
On Sale:

$114.64

Avail:
32 in Stock
Warehouse: US-7
Qty:
EnginePer VehicleFit NotesFitment Notes
2003 GMC Sierra 3500 equipped with
8.1L V8 Gas OHV,
6.0L V8 Gas OHV
 
1
 
Trans Oil Cooler
Economy Tube and Fin Cooler Heavy Duty
Size
12 x 15 1/8
 
2003 GMC Sierra 3500 equipped with
8.1L V8 Gas OHV,
6.0L V8 Gas OHV Trans Oil Cooler
Economy Tube and Fin Cooler Heavy Duty
Size
12 x 15 1/8

1 Per Vehicle
On Sale:

$51.04

Avail:
36 in Stock
Warehouse: US-7
Qty:
EnginePer VehicleFit NotesFitment Notes
2003 GMC Sierra 3500 equipped with
8.1L V8 Gas OHV,
6.0L V8 Gas OHV
 
1
 
Trans Oil Cooler
Premium Tube and Fin Cooler Light Duty
Size
7 1/2 x 12 1/2, Verification of minimum core space for fitment required.
 
2003 GMC Sierra 3500 equipped with
8.1L V8 Gas OHV,
6.0L V8 Gas OHV Trans Oil Cooler
Premium Tube and Fin Cooler Light Duty
Size
7 1/2 x 12 1/2, Verification of minimum core space for fitment required.

1 Per Vehicle
On Sale:

$53.58

Avail:
179 in Stock
Warehouse: US-7
Qty:
EnginePer VehicleFit NotesFitment Notes
2003 GMC Sierra 3500 equipped with
8.1L V8 Gas OHV,
6.0L V8 Gas OHV
 
1
 
Trans Oil Cooler
Premium Tube and Fin Cooler Medium Duty
Size
7 1/2 x 15 7/8, Verification of minimum core space for fitment required.
 
2003 GMC Sierra 3500 equipped with
8.1L V8 Gas OHV,
6.0L V8 Gas OHV Trans Oil Cooler
Premium Tube and Fin Cooler Medium Duty
Size
7 1/2 x 15 7/8, Verification of minimum core space for fitment required.

1 Per Vehicle
On Sale:

$63.19

Avail:
513 in Stock
Warehouse: US-7
Qty:
EnginePer VehicleFit NotesFitment Notes
2003 GMC Sierra 3500 equipped with
8.1L V8 Gas OHV,
6.0L V8 Gas OHV
 
1
 
Trans Oil Cooler
Premium Tube and Fin Cooler Heavy Duty
Size
10 x 15 7/8, Verification of minimum core space for fitment required.
 
2003 GMC Sierra 3500 equipped with
8.1L V8 Gas OHV,
6.0L V8 Gas OHV Trans Oil Cooler
Premium Tube and Fin Cooler Heavy Duty
Size
10 x 15 7/8, Verification of minimum core space for fitment required.

1 Per Vehicle
On Sale:

$52.91

Avail:
1321 in Stock
Warehouse: US-7
Qty:
EnginePer VehicleFit NotesFitment Notes
2003 GMC Sierra 3500 equipped with
8.1L V8 Gas OHV,
6.0L V8 Gas OHV
 
1
 
Trans Oil Cooler
Premium Plate and Fin Cooler Light Duty
w/o Bypass
Size
11 x 7 1/2
 
2003 GMC Sierra 3500 equipped with
8.1L V8 Gas OHV,
6.0L V8 Gas OHV Trans Oil Cooler
Premium Plate and Fin Cooler Light Duty
w/o Bypass
Size
11 x 7 1/2

1 Per Vehicle
On Sale:

$58.63

Avail:
1188 in Stock
Warehouse: US-7
Qty:
EnginePer VehicleFit NotesFitment Notes
2003 GMC Sierra 3500 equipped with
8.1L V8 Gas OHV,
6.0L V8 Gas OHV
 
1
 
Trans Oil Cooler
Premium Plate and Fin Cooler Medium Duty
w/o Bypass
Size
11 x 9 1/2
 
2003 GMC Sierra 3500 equipped with
8.1L V8 Gas OHV,
6.0L V8 Gas OHV Trans Oil Cooler
Premium Plate and Fin Cooler Medium Duty
w/o Bypass
Size
11 x 9 1/2

1 Per Vehicle
On Sale:

$58.02

Avail:
751 in Stock
Warehouse: US-7
Qty:
EnginePer VehicleFit NotesFitment Notes
2003 GMC Sierra 3500 equipped with
8.1L V8 Gas OHV,
6.0L V8 Gas OHV
 
1
 
Trans Oil Cooler
Premium Plate and Fin Cooler Light Duty
w/ Bypass
Size
11 x 7 1/2
 
2003 GMC Sierra 3500 equipped with
8.1L V8 Gas OHV,
6.0L V8 Gas OHV Trans Oil Cooler
Premium Plate and Fin Cooler Light Duty
w/ Bypass
Size
11 x 7 1/2

1 Per Vehicle
On Sale:

$70.04

Avail:
120 in Stock
Warehouse: US-7
Qty:
EnginePer VehicleFit NotesFitment Notes
2003 GMC Sierra 3500 equipped with
8.1L V8 Gas OHV,
6.0L V8 Gas OHV
 
1
 
Trans Oil Cooler
Premium Plate and Fin Cooler Medium Duty
w/ Bypass
Size
11 x 9 1/2
 
2003 GMC Sierra 3500 equipped with
8.1L V8 Gas OHV,
6.0L V8 Gas OHV Trans Oil Cooler
Premium Plate and Fin Cooler Medium Duty
w/ Bypass
Size
11 x 9 1/2

1 Per Vehicle
On Sale:

$76.82

Avail:
98 in Stock
Warehouse: US-7
Qty:
EnginePer VehicleFit NotesFitment Notes
2003 GMC Sierra 3500 equipped with
8.1L V8 Gas OHV,
6.0L V8 Gas OHV
 
1
 
Trans Oil Cooler
Premium Plate and Fin Cooler Heavy Duty
w/ Bypass
Size
11 x 11 5/8
 
2003 GMC Sierra 3500 equipped with
8.1L V8 Gas OHV,
6.0L V8 Gas OHV Trans Oil Cooler
Premium Plate and Fin Cooler Heavy Duty
w/ Bypass
Size
11 x 11 5/8

1 Per Vehicle
On Sale:

$94.46

Avail:
79 in Stock
Warehouse: US-7
Qty:
EnginePer VehicleFit NotesFitment Notes
2003 GMC Sierra 3500 equipped with
8.1L V8 Gas OHV,
6.6L V8 Diesel OHV Turbo,
6.0L V8 Gas OHV
 
1
 
Trans Oil Cooler
Premium Plate and Fin Cooler Light Duty
For Add On Cooling With Factory Cooler
Use 5/8 Snap-in adapter to connect oil cooler with 7/8-14 O-Ring threads.
 
2003 GMC Sierra 3500 equipped with
8.1L V8 Gas OHV,
6.6L V8 Diesel OHV Turbo,
6.0L V8 Gas OHV Trans Oil Cooler
Premium Plate and Fin Cooler Light Duty
For Add On Cooling With Factory Cooler
Use 5/8 Snap-in adapter to connect oil cooler with 7/8-14 O-Ring threads.

1 Per Vehicle
On Sale:

$134.43

Avail:
151 in Stock
Warehouse: US-7
Qty:
EnginePer VehicleFit NotesFitment Notes
2003 GMC Sierra 3500 equipped with
8.1L V8 Gas OHV,
6.6L V8 Diesel OHV Turbo,
6.0L V8 Gas OHV
 
1
 
Trans Oil Cooler
Premium Plate and Fin Cooler Medium Duty
For Add On Cooling With Factory Cooler
Use 5/8 Snap-in adapter to connect oil cooler with 7/8-14 O-Ring threads.
 
2003 GMC Sierra 3500 equipped with
8.1L V8 Gas OHV,
6.6L V8 Diesel OHV Turbo,
6.0L V8 Gas OHV Trans Oil Cooler
Premium Plate and Fin Cooler Medium Duty
For Add On Cooling With Factory Cooler
Use 5/8 Snap-in adapter to connect oil cooler with 7/8-14 O-Ring threads.

1 Per Vehicle
On Sale:

$148.64

Avail:
282 in Stock
Warehouse: US-7
Qty:
EnginePer VehicleFit NotesFitment Notes
2003 GMC Sierra 3500 equipped with
8.1L V8 Gas OHV,
6.6L V8 Diesel OHV Turbo,
6.0L V8 Gas OHV
 
1
 
Trans Oil Cooler
Premium Plate and Fin Cooler Heavy Duty
Use 5/8 Snap-in adapter to connect oil cooler with 7/8-14 O-Ring threads.
 
2003 GMC Sierra 3500 equipped with
8.1L V8 Gas OHV,
6.6L V8 Diesel OHV Turbo,
6.0L V8 Gas OHV Trans Oil Cooler
Premium Plate and Fin Cooler Heavy Duty
Use 5/8 Snap-in adapter to connect oil cooler with 7/8-14 O-Ring threads.

1 Per Vehicle
On Sale:

$132.91

Avail:
1 in Stock
Warehouse: US-1
Qty:
EnginePer VehicleFit NotesFitment Notes
2003 GMC Sierra 3500 equipped with
6.0L V8 Gas OHV
 
1
 
Code 4639, 5464, 7192, 9344
 
2003 GMC Sierra 3500 equipped with
6.0L V8 Gas OHV Code 4639, 5464, 7192, 9344

1 Per Vehicle
2003 GMC Sierra 3500 equipped with
8.1L V8 Gas OHV
 
1
 
Mfr Code: 4L80-E
 
2003 GMC Sierra 3500 equipped with
8.1L V8 Gas OHV Mfr Code: 4L80-E

1 Per Vehicle
On Sale:

$273.52

Avail:
1 in Stock
Warehouse: US-1
Qty:
EnginePer VehiclePositionFit NotesFitment Notes
2003 GMC Sierra 3500 equipped with
8.1L V8 Gas OHV,
6.6L V8 Diesel OHV Turbo,
6.0L V8 Gas OHV
 
1
 
Auxiliary
 
Code 7445, 3959
5 Speed
Automatic Transmission
 
2003 GMC Sierra 3500 equipped with
8.1L V8 Gas OHV,
6.6L V8 Diesel OHV Turbo,
6.0L V8 Gas OHV
Auxiliary Code 7445, 3959
5 Speed
Automatic Transmission

1 Per Vehicle
Avail:
0 in Stock
 OUT OF STOCK
EnginePer VehicleFit NotesFitment Notes
2003 GMC Sierra 3500 equipped with
8.1L V8 Gas OHV,
6.6L V8 Diesel OHV Turbo,
6.0L V8 Gas OHV
 
1
 
AUXILIARY
HD TRANS CLG SYS(KNP)
4-SPD AUTO TRANS(MT1, M30)
4-SPD HD A/TRANS(MN8, M32)
CODE 4639, 5464, 9344, 7192, 1509, 0895, 7162
 
2003 GMC Sierra 3500 equipped with
8.1L V8 Gas OHV,
6.6L V8 Diesel OHV Turbo,
6.0L V8 Gas OHV AUXILIARY
HD TRANS CLG SYS(KNP)
4-SPD AUTO TRANS(MT1, M30)
4-SPD HD A/TRANS(MN8, M32)
CODE 4639, 5464, 9344, 7192, 1509, 0895, 7162
1 Per Vehicle
Avail:
0 in Stock
 OUT OF STOCK
EnginePer VehicleFit NotesFitment Notes
2003 GMC Sierra 3500 equipped with
6.6L V8 Diesel OHV Turbo
 
1
 
GM Original Equipment
ENGINE OIL COOLING SYSTEM(KC4)
CODE UHL
Eng: LB7
8th VIN Digit: 1
Mfr Code: 1000/M74
 
2003 GMC Sierra 3500 equipped with
6.6L V8 Diesel OHV Turbo GM Original Equipment
ENGINE OIL COOLING SYSTEM(KC4)
CODE UHL
Eng: LB7
8th VIN Digit: 1
Mfr Code: 1000/M74

1 Per Vehicle
On Sale:

$47.82

Avail:
158 in Stock
Warehouse: US-7
Qty:
EnginePer VehicleFit NotesFitment Notes
2003 GMC Sierra 3500 equipped with
8.1L V8 Gas OHV,
6.0L V8 Gas OHV
 
1
 
Trans Oil Cooler
Economy Tube and Fin Cooler Light Duty
Size
7 1/2 x 15 7/8, Verification of minimum core space for fitment required.
 
2003 GMC Sierra 3500 equipped with
8.1L V8 Gas OHV,
6.0L V8 Gas OHV Trans Oil Cooler
Economy Tube and Fin Cooler Light Duty
Size
7 1/2 x 15 7/8, Verification of minimum core space for fitment required.

1 Per Vehicle
On Sale:

$54.94

Avail:
156 in Stock
Warehouse: US-7
Qty:
EnginePer VehicleFit NotesFitment Notes
2003 GMC Sierra 3500 equipped with
8.1L V8 Gas OHV,
6.0L V8 Gas OHV
 
1
 
Trans Oil Cooler
Economy Tube and Fin Cooler Medium Duty
Size
10 x 15 7/8
 
2003 GMC Sierra 3500 equipped with
8.1L V8 Gas OHV,
6.0L V8 Gas OHV Trans Oil Cooler
Economy Tube and Fin Cooler Medium Duty
Size
10 x 15 7/8

1 Per Vehicle
On Sale:

$49.64

Avail:
13 in Stock
Warehouse: US-4
Qty:
EnginePer VehicleFit NotesFitment Notes
2003 GMC Sierra 3500 equipped with
8.1L V8 Gas OHV,
6.0L V8 Gas OHV
 
1
 
Trans Oil Cooler
Premium Plate and Fin Cooler Light Duty
w/o Bypass
Size
11 x 7 1/2
 
2003 GMC Sierra 3500 equipped with
8.1L V8 Gas OHV,
6.0L V8 Gas OHV Trans Oil Cooler
Premium Plate and Fin Cooler Light Duty
w/o Bypass
Size
11 x 7 1/2

1 Per Vehicle
On Sale:

$55.03

Avail:
1 in Stock
Warehouse: US-4
Qty:
EnginePer VehicleFit NotesFitment Notes
2003 GMC Sierra 3500 equipped with
8.1L V8 Gas OHV,
6.0L V8 Gas OHV
 
1
 
Trans Oil Cooler
Premium Plate and Fin Cooler Medium Duty
w/o Bypass
Size
11 x 9 1/2
 
2003 GMC Sierra 3500 equipped with
8.1L V8 Gas OHV,
6.0L V8 Gas OHV Trans Oil Cooler
Premium Plate and Fin Cooler Medium Duty
w/o Bypass
Size
11 x 9 1/2

1 Per Vehicle
On Sale:

$62.78

Avail:
1 in Stock
Warehouse: US-4
Qty:
EnginePer VehicleFit NotesFitment Notes
2003 GMC Sierra 3500 equipped with
8.1L V8 Gas OHV,
6.0L V8 Gas OHV
 
1
 
Trans Oil Cooler
Premium Plate and Fin Cooler Heavy Duty
w/o Bypass
Size
11 x 11 5/8
 
2003 GMC Sierra 3500 equipped with
8.1L V8 Gas OHV,
6.0L V8 Gas OHV Trans Oil Cooler
Premium Plate and Fin Cooler Heavy Duty
w/o Bypass
Size
11 x 11 5/8

1 Per Vehicle
On Sale:

$93.27

Avail:
2 in Stock
Warehouse: US-7
Qty:
EnginePer VehicleFit NotesFitment Notes
2003 GMC Sierra 3500 equipped with
8.1L V8 Gas OHV,
6.6L V8 Diesel OHV Turbo,
6.0L V8 Gas OHV
 
1
 
Cab & Chassis
5 Speed
 
2003 GMC Sierra 3500 equipped with
8.1L V8 Gas OHV,
6.6L V8 Diesel OHV Turbo,
6.0L V8 Gas OHV Cab & Chassis
5 Speed

1 Per Vehicle
2003 GMC Sierra 3500 equipped with
8.1L V8 Gas OHV,
6.6L V8 Diesel OHV Turbo,
6.0L V8 Gas OHV
 
1
 
Crew Cab Pickup
5 Speed
 
2003 GMC Sierra 3500 equipped with
8.1L V8 Gas OHV,
6.6L V8 Diesel OHV Turbo,
6.0L V8 Gas OHV Crew Cab Pickup
5 Speed

1 Per Vehicle
2003 GMC Sierra 3500 equipped with
8.1L V8 Gas OHV,
6.6L V8 Diesel OHV Turbo,
6.0L V8 Gas OHV
 
1
 
Extended Cab Pickup
5 Speed
 
2003 GMC Sierra 3500 equipped with
8.1L V8 Gas OHV,
6.6L V8 Diesel OHV Turbo,
6.0L V8 Gas OHV Extended Cab Pickup
5 Speed

1 Per Vehicle
2003 GMC Sierra 3500 equipped with
8.1L V8 Gas OHV,
6.6L V8 Diesel OHV Turbo,
6.0L V8 Gas OHV
 
1
 
Standard Cab Pickup
5 Speed
 
2003 GMC Sierra 3500 equipped with
8.1L V8 Gas OHV,
6.6L V8 Diesel OHV Turbo,
6.0L V8 Gas OHV Standard Cab Pickup
5 Speed

1 Per Vehicle
Avail:
0 in Stock
 OUT OF STOCK
EnginePer VehicleFit NotesFitment Notes
2003 GMC Sierra 3500 equipped with
8.1L V8 Gas OHV,
6.6L V8 Diesel OHV Turbo,
6.0L V8 Gas OHV
 
1
 
Cab & Chassis
4 Speed
 
2003 GMC Sierra 3500 equipped with
8.1L V8 Gas OHV,
6.6L V8 Diesel OHV Turbo,
6.0L V8 Gas OHV Cab & Chassis
4 Speed

1 Per Vehicle
2003 GMC Sierra 3500 equipped with
8.1L V8 Gas OHV,
6.6L V8 Diesel OHV Turbo,
6.0L V8 Gas OHV
 
1
 
Crew Cab Pickup
4 Speed
 
2003 GMC Sierra 3500 equipped with
8.1L V8 Gas OHV,
6.6L V8 Diesel OHV Turbo,
6.0L V8 Gas OHV Crew Cab Pickup
4 Speed

1 Per Vehicle
2003 GMC Sierra 3500 equipped with
8.1L V8 Gas OHV,
6.6L V8 Diesel OHV Turbo,
6.0L V8 Gas OHV
 
1
 
Extended Cab Pickup
4 Speed
 
2003 GMC Sierra 3500 equipped with
8.1L V8 Gas OHV,
6.6L V8 Diesel OHV Turbo,
6.0L V8 Gas OHV Extended Cab Pickup
4 Speed

1 Per Vehicle
2003 GMC Sierra 3500 equipped with
8.1L V8 Gas OHV,
6.6L V8 Diesel OHV Turbo,
6.0L V8 Gas OHV
 
1
 
Standard Cab Pickup
4 Speed
 
2003 GMC Sierra 3500 equipped with
8.1L V8 Gas OHV,
6.6L V8 Diesel OHV Turbo,
6.0L V8 Gas OHV Standard Cab Pickup
4 Speed

1 Per Vehicle
On Sale:

$44.88

Avail:
485 in Stock
Warehouse: US-7
Qty:
EnginePer VehicleFit NotesFitment Notes
2003 GMC Sierra 3500 equipped with
8.1L V8 Gas OHV,
6.0L V8 Gas OHV
 
1
 
Trans Oil Cooler
Economy Tube and Fin Cooler Light Duty
Size
7 1/2 x 15 7/8, Verification of minimum core space for fitment required.
 
2003 GMC Sierra 3500 equipped with
8.1L V8 Gas OHV,
6.0L V8 Gas OHV Trans Oil Cooler
Economy Tube and Fin Cooler Light Duty
Size
7 1/2 x 15 7/8, Verification of minimum core space for fitment required.

1 Per Vehicle
Displaying 1 to 25 (of 27 products)