2003 GMC SIERRA 3500 Performance Parts

  1. Moroso is a recognized name in the performance industry manufacturing over four thousand products including everything from oil pans and oiling systems, to ignition wire, ignition components, valve covers, fuel system equipment, air cleaners, hard-core racing tools, chassis and suspension equipment and other. All Moroso products are manufactured from the highest quality materials, and specially created by racers for racers. Free shipping to all of USA!

    Fitment:

    2003 GMC SIERRA 3500 6.0L V8

  2. 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

  3. 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

  4. 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

    $159.16
  5. KYB Excel-G Gas Shocks and Struts are available with sintered-iron pistons and guide rods for strength, hard-chrome piston rods for superior durability, and seamless cylinders and eyerings. These products have a patented check valve to minimize foaming and aeration and maintain control under tough conditions. Free shipping to all of USA!

    Fitment:

    2003 GMC SIERRA 3500 ALL / 4 Wheel Drive, Rear Wheel Drive

  6. KYB Excel-G Gas Shocks and Struts are available with sintered-iron pistons and guide rods for strength, hard-chrome piston rods for superior durability, and seamless cylinders and eyerings. These products have a patented check valve to minimize foaming and aeration and maintain control under tough conditions. Free shipping to all of USA!

    Fitment:

    2003 GMC SIERRA 3500 ALL / 4 Wheel Drive, Rear Wheel Drive

  7. KYB Gas-a-Just Shocks and Struts use higher gas pressure to keep your tires glued to the road. Their monotube configuration eliminates aeration and foaming, their micro-smooth, hard-chromed pistons extend their life, and their seamless cylinders and eyerings completely eliminate seam failures. Free shipping to all of USA!

    Fitment:

    2003 GMC SIERRA 3500 ALL / 4 Wheel Drive, Rear Wheel Drive

  8. Key Features:
    • Pro Runner Monotube Shock Absorber

    Fitment:

    2003 GMC SIERRA 3500 BASE, SL, SLE, SLT / 6.0L V8 GAS, 6.6L V8 Diesel, 8.1L V8 GAS

  9. Key Features:
    • ES9000 Shock Absorber

    Fitment:

    2003 GMC SIERRA 3500 BASE, SL, SLE, SLT / 6.0L V8 GAS, 6.6L V8 Diesel, 8.1L V8 GAS / Rear Wheel Drive

  10. Key Features:
    • Pro Runner SS Monotube Shock Absorber

    Fitment:

    2003 GMC SIERRA 3500 BASE, SL, SLE, SLT / 6.0L V8 GAS, 6.6L V8 Diesel, 8.1L V8 GAS

  11. Key Features:
    • Block With U-Bolt Kit
    • 4 in. Lift
    • Incl. 2 Cast Iron Riser Blocks
    • 4 U-Bolts
    • 8 Heavy Duty Flat washers
    • 8 Hi-Nuts
    • For IFS

    Fitment:

    2003 GMC SIERRA 3500 BASE, SL, SLE, SLT / 6.0L V8 GAS, 6.6L V8 Diesel, 8.1L V8 GAS / 4 Wheel Drive

    $121.18
  12. Key Features:
    • Traction Bar Mounting Kit
    • Black

    Fitment:

    2003 GMC SIERRA 3500 BASE, SL, SLE, SLT / 6.0L V8 GAS, 6.6L V8 Diesel, 8.1L V8 GAS / 4 Wheel Drive

    $423.25
  13. Key Features:
    • TorqueTube Exhaust Header System
    • w/o Air Injection

    Fitment:

    2003 GMC SIERRA 3500 6.0L V8 GAS

    $679.00
  14. Key Features:
    • Techni-Cooler Intercooler System

    Fitment:

    2003 GMC SIERRA 3500 6.6L V8 Diesel

    $1,459.00
  15. Key Features:
    • Air Filter
    • For Use w/Ram Air Intake PN[42132/42135/42142/42172]
    • Rectangular

    Fitment:

    2003 GMC SIERRA 3500 6.0L V8 GAS, 6.6L V8 Diesel, 8.1L V8 GAS

    $119.00
  16. Key Features:
    • Super Scoop
    • For Use w/Ram Air Intake PN[42132/42135/42142]

    Fitment:

    2003 GMC SIERRA 3500 6.6L V8 Diesel

    $155.00
  17. Fabtech Performance Shock Absorbers come with a twin-tube hydraulic design and high-velocity 9-stage valving to provide superb performance and ride handling. Featuring a special closed cell foam insert to deliver upgraded dampening efficiency while reducing shock fade at greater speeds.

    Fitment:

    2003 GMC SIERRA 3500

  18. Fabtech Tie Rod Assembly is a complete replacement tie rod developed from the highest quality materials to guarantee premium quality and extended product life. This heavy-duty Tie Tod Assembly will help you to improve your vehicle's steering and overall service life. Proudly designed and manufactured in the USA!

    Fitment:

    2003 GMC SIERRA 3500 4 Wheel Drive

    $355.16
  19. Fabtech Traction Bars provide a smooth highway drive with optimal resistance to torque loads, reduced axle wrap and increased tire traction. These bars will reduce any rear leaf spring axle wrap caused by lift blocks and oversized tires. The exclusive shackle system of the bars allows them to float with the arched travel of the rear axle, which leads to a significantly improved ride quality and performance.

    Fitment:

    2003 GMC SIERRA 3500

    $626.04
  20. Key Features:
    • On Board Air Compressor Kit
    • Single Gauge/Dual Control/Dual Needle

    Fitment:

    2003 GMC SIERRA 3500 BASE, SL, SLE, SLT

    $628.76