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2003 GMC SIERRA 3500 Performance Parts
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Key Features:- Cool Down Timer Kit V2.0
- Incl. CDT2 Control Module/CDT2 Wiring Harness/Cable Tie/Posi-Tap Connectors/Ring Connector
Fitment:
2003 GMC SIERRA 3500 6.6L V8 Diesel
$236.95 -
Key Features:- Exhaust Brake Rocker Switch Kit
- 5/8 in. Manual Lever
Fitment:
2003 GMC SIERRA 3500 6.6L V8 Diesel
$119.15 -
Key Features:- Exhaust Brake Push/Pull Switch Kit
- 3/4 in. Manual Lever
Fitment:
2003 GMC SIERRA 3500 6.6L V8 Diesel
$87.95 -
Fitment:
2003 GMC SIERRA 3500 BASE, SL, SLE, SLT / 6.0L V8 GAS, 6.6L V8 Diesel, 8.1L V8 GAS
$69.85 -
Looking to reduce body roll from your lifted ride and enhance your suspension for sportier cornering and better handling? Skyjacker Sway Bars provide the ticket! Constructed from trail-tough 4140 steel, these heavy-duty sway bars from Skyjacker will significantly improve your on and off road vehicle handling, providing a more level ride and a perfect fit on your year, make and model! What's more, you'll be able to set your on deflection of the sway bars depending on the drive terrain. Each bar comes finished with a zinc coating to prevent rust, corrosion and damaging oxidation.Fitment:
2003 GMC SIERRA 3500 BASE, SLE, SLT / 6.0L V8 GAS, 6.6L V8 Diesel, 8.1L V8 GAS / 4 Wheel Drive
$62.97 -
Russell Performance is a leading manufacturer of hoses, hose ends, fittings, and adapters you need, and provides a wide assortment of plumbing solutions with a variety of materials and finishes. You can find all Russell products here at a great price! Free shipping to all of USA!Fitment:
2003 GMC SIERRA 3500 BASE, SL, SLE, SLT
$30.00 -
Key Features:- Strap Band Clamp
- Lap Joint
- 4 in.
- Stainless Steel
Fitment:
2003 GMC SIERRA 3500 BASE, SL, SLE, SLT / 6.0L V8 GAS, 6.6L V8 Diesel, 8.1L V8 GAS
$28.17 -
Key Features:- Lateral Traction Bar
- Lateral Traction Bar
Fitment:
2003 GMC SIERRA 3500 BASE, SL, SLE, SLT / 6.0L V8 GAS, 6.6L V8 Diesel, 8.1L V8 GAS / 4 Wheel Drive
$345.02 -
B&M Transmission Brackets and Levers will help you to replace all of your missing or damaged shifter components. These shifter brackets are made only from quality materials and are compatible with a wide range of applications for a perfect fit.Fitment:
2003 GMC SIERRA 3500 BASE, SL, SLE, SLT / 6.0L V8 GAS, 6.6L V8 Diesel, 8.1L V8 GAS
$47.95 -
Key Features:- Exhaust Brake Push/Pull Switch Kit
- 5/8 in. Manual Lever
Fitment:
2003 GMC SIERRA 3500 6.6L V8 Diesel
$82.95 -
Key Features:- Exhaust Brake Rocker Switch Kit
- 3/4 in. Manual Lever
Fitment:
2003 GMC SIERRA 3500 6.6L V8 Diesel
$139.99 -
Key Features:- CS2 Diesel Evolution Programmer
- Incl. Mystyle Software
Fitment:
2003 GMC SIERRA 3500 6.6L V8 Diesel
$512.95 -
- Automatic Transmission Shift Lever
- Incl. Shift Lever/Swivel/Cotter Pin
- Natural Finish
Fitment:
2003 GMC SIERRA 3500 BASE, SL, SLE, SLT / 6.0L V8 GAS, 6.6L V8 Diesel, 8.1L V8 GAS
$30.95 -
- Level Command II Standard Duty Air Compressor System
- Incl. Compr.
- Elec./Pneumatic Sw.
- Provides Equal Inflation Of Air Helper Springs
Fitment:
2003 GMC SIERRA 3500 BASE, SL, SLE, SLT / 6.0L V8 GAS, 6.6L V8 Diesel, 8.1L V8 GAS
$402.16 -
- Dual Electric Air Command Standard Duty Air Compressor System
- Incl. Elec./Pneumatic Switch
- Compressor
- Inflates Each Spring Individually
Fitment:
2003 GMC SIERRA 3500 BASE, SL, SLE, SLT / 6.0L V8 GAS, 6.6L V8 Diesel, 8.1L V8 GAS
$565.55 -
- Suspension Air Compressor
- Standard Duty
- 12 Volt
- 1/4 NPT
- Max Air Pressure 130 psi
- 15 percent Duty Cycle
- 18 Amps
Fitment:
2003 GMC SIERRA 3500 BASE, SL, SLE, SLT / 6.0L V8 GAS, 6.6L V8 Diesel, 8.1L V8 GAS
$182.82 -
- Air Rite Air Command Air Command Kit
- Classic
- Single
- Xtreme
- Incl. Compressor
- Air Tank
Fitment:
2003 GMC SIERRA 3500 BASE, SL, SLE, SLT / 6.0L V8 GAS, 6.6L V8 Diesel, 8.1L V8 GAS
$843.27 -
- Air Rite Air Command Heavy Duty Air Compressor System
- Incl. 25 ft. Extension Hose
- Super HD Compressor
- 0.5 Gallon Air Tank
Fitment:
2003 GMC SIERRA 3500 BASE, SL, SLE, SLT / 6.0L V8 GAS, 6.6L V8 Diesel, 8.1L V8 GAS
$553.25 -
- Suspension Air Compressor
- Xtreme
- 12 Volt
- 1/4 NPT
- Max Air Pressure 150 psi
- 100 percent Duty Cycle
- 23 Amps
Fitment:
2003 GMC SIERRA 3500 BASE, SL, SLE, SLT / 6.0L V8 GAS, 6.6L V8 Diesel, 8.1L V8 GAS
$561.72 -
Key Features:- CS2 Diesel Evolution Programmer
- California Edition
- Incl. Mystyle Software
Fitment:
2003 GMC SIERRA 3500 6.6L V8 Diesel
$512.95