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2003 GMC SIERRA 3500 Performance Parts
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Key Features:- LP-35 Heavy Duty Leaf Kit
- 3500 lbs. Capacity
- 4 Leaf Stack
- Mounting Hardware Required
Fitment:
2003 GMC SIERRA 3500 BASE, SLE, SLT / 6.0L V8 GAS, 6.6L V8 Diesel, 8.1L V8 GAS
$486.28 -
Skyjacker Nitro Shock Absorbers are your best choice if you're looking to improve the driving quality and handling of your ride. These high-quality shocks are perfect for all vehicles - from lifted or stock level sedans to the meanest off-road machines. What makes the Nitro Shocks unique is their highly-charged bodies - packing 150psi of nitrogen gas - and the shocks' ability to auto-adjust depending on the specific driving conditions on and off the road. The shocks will improve your vehicle's characteristics and give you the smoothest ride possible.Fitment:
2003 GMC SIERRA 3500 BASE, SL, SLE, SLT / 6.0L V8 GAS, 6.6L V8 Diesel, 8.1L V8 GAS / 4 Wheel Drive
$56.58 -
- Adjustable
- Four Products In One-Vehicle Engine Tuner/Monitor/Gauge/Diagnostic Devise
- Increased HP/Torque
Fitment:
2003 GMC SIERRA 3500 BASE, SLE, SLT / 6.6L V8 Diesel
$469.00 -
Key Features:- LP-25 Leaf Kit
- 2500 lbs. Capacity
- 3 Leaf Stack
- Use w/43 in. Or Longer Base Leaf
- Requires Mounting Kit PN[25250 Or 25300]
Fitment:
2003 GMC SIERRA 3500 BASE, SLE, SLT / 6.0L V8 GAS, 6.6L V8 Diesel, 8.1L V8 GAS
$443.36 -
Skyjacker Hydro 7000 Shocks Absorbers are designed to fine-tune the handling of your vehicle and provide a smooth, enjoyable ride. These superior shocks ? part of Skyjacker's legendary 7000 series ? are designed to self-adjust to both on- or off-road conditions, and feature multi-stage, velocity-sensitive valving with outstanding hydraulic-action through the twin-tube construction. Skyjacker Hydro 7000 shocks also feature oversized piston heads and piston rods. They are available in front and rear sets and many sizes to fit all levels of lifting. What's more, the 7000 series shock absorbers from Skyjacker come with red polyurethane bushings and boots that not only improve ride quality, but also look great! Do not wait and purchase your Skyjacker Hydro 7000 Shocks today! Your Skyjacker Hydro 7000 Shocks Absorbers come with a Lifetime Warranty.Fitment:
2003 GMC SIERRA 3500 BASE, SL, SLE, SLT / 6.0L V8 GAS, 6.6L V8 Diesel, 8.1L V8 GAS / 4 Wheel Drive
$52.63 -
- Four Products In One-Vehicle Engine Tuner/Monitor/Gauge/Diagnostic Device
Fitment:
2003 GMC SIERRA 3500 BASE, SL, SLE, SLT / 6.0L V8 GAS, 8.1L V8 GAS
$469.00 -
Key Features:- Pro Runner Lift Kit
- Uniball Upper A-Arm
- 2 Rear 6 in. Pro Runner Monotube Shocks
- 2 Pro Runner Monotube Shock Absorbers
- Kit Components: PN 51036B (Quantity 1), PN ZX2001 (Quantity 2) and PN ZX2108(Quantity 2)
Fitment:
2003 GMC SIERRA 3500 BASE, SL, SLE, SLT / 6.0L V8 GAS, 6.6L V8 Diesel, 8.1L V8 GAS
$1,376.72 -
Key Features:- CS2 Diesel Evolution Programmer
- Incl. Mystyle Software
Fitment:
2003 GMC SIERRA 3500 6.6L V8 Diesel
$512.95 -
Key Features:- CS2 Gas Evolution Programmer
- Incl. Mystyle Software
Fitment:
2003 GMC SIERRA 3500 6.0L V8 GAS, 8.1L V8 GAS
$512.95 -
- Insight CTS3 Digital Gauge Monitor
- 5 in. Touch Screen
- 0-60/Quarter Mile Performance Testing
- For Vehicles w/OBDII Diagnostic Port
- Screen Control: Touch Control
- Trouble Codes: Read and Clear
- Screen Size: 5"
Fitment:
2003 GMC SIERRA 3500 6.0L V8 GAS, 6.6L V8 Diesel, 8.1L V8 GAS
$474.95 -
Bilstein 5100 Monotube Shock Absorbers are developed for a direct fit on your lifted trucks or SUV. These shocks feature Bilstein's advanced monotube construction for consistent fade-free performance mile after mile. Featuring a unique, velocity sensitive, digressive piston that is highly responsive to changing road conditions, the 5100 shocks provide nothing but outstanding handling at a great price! Each shock is tuned for your specific application to deliver optimal performance. If you're looking to bring dramatic improvements to your vehicle's handling, comfort and ride quality, the 5100 will provide the ticket. Do not wait and order yours today!Fitment:
2003 GMC SIERRA 3500 BASE, SLE, SLT / 6.0L V8 GAS, 6.6L V8 Diesel, 8.1L V8 GAS / 4 Wheel Drive, Rear Wheel Drive
$110.00 -
B&M Cast Aluminum Differential Covers are durable, and stylish! The premium cast construction and machined aluminum alloy features extremely heavy-duty cooling fins, and huge fluid capacity. The high-strength magnetic drain plugs are designed to catch even the smallest ferrous metal particles.Fitment:
2003 GMC SIERRA 3500 BASE, SL, SLE, SLT / 6.0L V8 GAS, 6.6L V8 Diesel, 8.1L V8 GAS
$338.95 -
Key Features:- CS2 Diesel Evolution Programmer
- California Edition
- Incl. Mystyle Software
Fitment:
2003 GMC SIERRA 3500 6.6L V8 Diesel
$512.95 -
Key Features:- EVO HT2 Programmer
- California Edition
Fitment:
2003 GMC SIERRA 3500 6.0L V8 GAS, 6.6L V8 Diesel, 8.1L V8 GAS
$495.95 -
Key Features:- Insight CS2 Monitor
- 5 in.
- 0-60/Quarter Mile Performance Testing
- Incl. Mystyle Software
Fitment:
2003 GMC SIERRA 3500 6.0L V8 GAS, 6.6L V8 Diesel, 8.1L V8 GAS
$286.95 -
- Monotube Shock Absorber
- Series: Pro Runner
- 2 in. Diameter Body
- Nitrogen Gas Charged
Fitment:
2003 GMC SIERRA 3500 BASE, SL, SLE, SLT / 6.0L V8 GAS, 6.6L V8 Diesel, 8.1L V8 GAS
$133.99 -
- Flashpaq F5 Programmer
- Industry Leading Handheld Tuner
- California Edition
Fitment:
2003 GMC SIERRA 3500 6.6L V8 Diesel
$399.95 -
Key Features:
- Pro Runner Lift Kit
- Uniball Upper A-Arm
- 2 2.0 Pro Runner Monotube Shock Absorbers
- 2 Front Pro Runner 2.75 Coil Over Shocks
- Kit Components: PN 51035B (Quantity 1), PN ZX2001 (Quantity 2) and PN ZX2108 (Quantity 2)
Fitment:
2003 GMC SIERRA 3500 BASE, SL, SLE, SLT / 6.0L V8 GAS, 6.6L V8 Diesel, 8.1L V8 GAS
$1,380.24 -
Key Features:
- Pro Runner Lift Kit
- Uniball Upper A-Arm
- 2 Rear 6 in. Pro Runner Monotube Shocks
- 1 Front 1.75 in. Pro Runner SS Monotube Shock
- Kit Components: PN 51035B (Quantity 1), PN ZX2001 (Quantity 2) and PN ZX2002 (Quantity 2)
Fitment:
2003 GMC SIERRA 3500 BASE, SL, SLE, SLT / 6.0L V8 GAS, 6.6L V8 Diesel, 8.1L V8 GAS
$1,380.24 -
Skyjacker Black MAX Shock Absorbers are just what you need if you're looking to bring dramatic improvements in performance with a stylish black shock. Now you can improve ride quality without breaking the bank. Each Black MAX Shock Absorber comes with a black boot, and is backed by a Limited Lifetime Warranty from the legendary Skyjacker. Do not wait and get your Black MAX Shocks today!Fitment:
2003 GMC SIERRA 3500 BASE, SL, SLE, SLT / 6.0L V8 GAS, 6.6L V8 Diesel, 8.1L V8 GAS / 4 Wheel Drive
$57.78