2003 GMC Sierra 3500 Suspension Leveling Kit Parts

Choose your Engine for your 2003 GMC Sierra 3500


Showing 1 - 10 of 11 products
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Air Lift
  • LOADLIFTER 5000
  • No Drill; Installation Time - 2 Hours Or Less Will Not Fit w/Quadrasteer
  • LOADLIFTER 5000
  • LoadLifter 5000 Leveling Kit
  • Product Attributes:
    • Front Sway Bar Links Included: No
    • WARNING CA Proposition 65: Yes
    • Control Arms Included: No
    • WARNING CA Proposition 65 Message: California: Warning: Cancer And Reproductive Harm - Www.p65warnings.ca.gov
    • 30L Dampers Included: No
    • Drilling Required: Yes
  • Features:
    • Fully Adjustable
    • Level Vehicles When Towing/Hauling
    • Eliminate Sag And Bottoming Out
    • Rugged Durable Components Includes Air Springs/Hardware
    • Easy To Install With Included Instructions
    • Up to 5000 lbs. of Leveling Capacity
    • Uses 2-Ply Fabric Reinforced Air Springs
    • Limited Lifetime Warranty
    • Safe Comfortable Ride
  • Offering up to 5,000 pounds of load-leveling capacity, the LoadLifter 5000 kit from Air Lift will make towing and hauling with your Chevy Silverado (2500/3500/HD)/GMC Sierra (2500/3500/HD) a comfortable and stress-free experience. For frequent use, our fully-adjustable, industry leading air springs are the perfect partner for your vehicle, eliminating any issues that you might face. The LoadLifter 5000 kit helps to eliminate problems frequently faced when towing and hauling, such as squat, poor headlight aim, trailer sway, body roll, and bottoming out. With the added stability and weight-distribution that air springs provide, you can haul safely, knowing that you have optimal braking and steering control. With the ability to adjust the air pressure from 5-100 PSI, your pickup can be ready for any weight and any situation (Note: Do not exceed vehicle's gross vehicle weight rating (GVWR)). An Air Lift exclusive, each kit comes equipped with upper and lower roll plates, added to protect the air springs from sharp edges. The air springs themselves are built like a tire, reinforced with 2-ply fabric for maximum strength. All of the end caps are made with an ultra high-strength nylon composite formula, strong as steel but much lighter and corrosion proof. As the leader in air suspension products for more than 70 years, Air Lift is committed to delivering quality load support parts that last. To ensure the highest quality, longevity, and customer satisfaction, the key suspension components, including the air springs and all hardware, have all been torture-tested to 1 million cycles on our hydraulic test rig. With a lifetime warranty and 60-Day Ride Satisfaction Guarantee -- not to mention the Air Lift reputation for great customer service and technical support, should you run into any snags in the installation process -- you can purchase this kit with peace of mind.

Additional Fitment Information:
Vehicle Position
2003 - GMC Sierra 3500 Rear

Air Lift
  • LOADLIFTER 5000
  • For Commercial Chassis Only; No Drill; Installation Time - 1.5 Hours Or Less
  • LoadLifter 5000
  • LoadLifter 5000 Leveling Kit
  • Product Attributes:
    • Front Sway Bar Links Included: No
    • WARNING CA Proposition 65: Yes
    • Control Arms Included: No
    • WARNING CA Proposition 65 Message: California: Warning: Cancer And Reproductive Harm - Www.p65warnings.ca.gov
    • 30L Dampers Included: No
    • Drilling Required: Yes
  • Features:
    • Fully Adjustable
    • Level Vehicles When Towing/Hauling
    • Eliminate Sag And Bottoming Out
    • Rugged Durable Components Includes Air Springs/Hardware
    • Easy To Install With Included Instructions
    • Up to 5000 lbs. of Leveling Capacity
    • Uses 2-Ply Fabric Reinforced Air Springs
    • Limited Lifetime Warranty
    • Safe Comfortable Ride
  • LoadLifter 5000, Leaf Spring Leveling Kit, Rear, For Commercial Chassis Only, No Drill.

Additional Fitment Information:
Vehicle Position Bed Length
2003 - GMC Sierra 3500 Rear N/R

ReadyLift
  • 2.5 in. Lift; w/Forged Torsion Key/Adjusting Bolts/Shock Extension Brackets; Allows Up To 33 in. Tire Max Tire Diameter 33 in.
  • Front Leveling Kit; 2.5 in. Lift; w/Forged Torsion Key/Adjusting Bolts/Shock Extension Brackets; Allows Up To 33 in. Tire;
  • Front Leveling Kit
  • Product Attributes:
    • Lift/Drop Height: 2.5 In.
    • WARNING CA Proposition 65: No
  • Features:
    • Shock Absorber Mount
    • Guaranteed To Never Wear/Break/Fail
    • Guaranteed Toughest Finish
    • Guaranteed Safest Way To Level Lift
  • ReadyLift leveling kits are the fastest, safest, least expensive way to bring the front of a vehicle level with the rear. Our torsion keys are designed to grab the FLAT of the torsion bar for a tighter, sturdier fit. CNC machined adjuster bolt pockets and 10.9 grade metric hardware allow for proper bolt seating, ensuring an accurate and safe adjustment. Only ReadyLift torsion keys are forged, making them 25 percent stronger than OEM and primed to last the life of your vehicle. ReadyLift keys are guaranteed never to affect the OEM ride and will not add more pressure on the stock suspension components. Through our innovative engineering, ReadyLift kits cost thousands less than a traditional lift kit and install in about 1-2 hours. ReadyLift Lifetime Warranty Included! All ReadyLift products are backed by a lifetime warranty for as long as you own your vehicle and includes all necessary parts, hardware, detailed installation instructions, and two color decals.

Additional Fitment Information:
Vehicle Position
2003 - GMC Sierra 3500 Front

Daystar
  • 2 in. Lift; For Tire Size 285/70; Wheel Alignment Needed; Includes Shock Ext. Brkt.; Replaces Purple/Blue/Brown/Yellow Factory Torsion Keys Maximum Tire Size Depends Upon Torsion Bar Adjustment; Age/Use Of Vehicle~And Numerous Other Factors
  • Torsion Bar Key Leveling Kit; 2 in. Lift; Front; For Tire Size 285/70; Wheel Alignment Needed; Includes Shock Ext. Brkt.; Replaces Purple/Blue/Brown/Yellow Factory Torsion Keys;
  • Torsion Bar Key Leveling Kit
  • Product Attributes:
    • Lift/Drop Height: 2 In.
    • WARNING CA Proposition 65: Yes
    • WARNING CA Proposition 65 Message: (for California Residents) Cancer And Reproductive Harm - Www.p65warnings.ca.gov
  • Features:
    • High-Quality Forged Torsion Keys That Meet/Exceed Factory Specs
    • Does Not Affect Load-Carrying Capacity
    • Easiest Way To Add 20 To 22 in. Wheels/Increase Ground Clearance
    • Final Ride Height Depends On Other Factors
    • Limited Lifetime Warranty
    • Front Lift Only To Level Stance Of Vehicle
  • Daystar Leveling Kits work within the factory suspension design, meaning that we work within the factorys design parameters to achieve an increase in ride height that levels the stance of the vehicle. Because we work within the factorys design, there are not a bunch additional modifications involved. Everything needed is included in the kit; theres everything you need and nothing you dont. If there are extra items required, such as longer shocks, its clearly stated in the application description. Torsion bar applications require their own unique approach to leveling the stance of the vehicle. With torsion bar applications, we supply new forged torsion keys that meet or exceed factory specifications. These torsion keys have been re-indexed to increase ride height up to 2in. and level the stance of the vehicle. In select applications, extended shock brackets are also included. Daystar Leveling Kits include only front lift components to level the stance of the vehicle. We also offer Budget Boost kits, which provide a mild increase in ride height and are more economically priced than our Leveling Kits. Since our start with Leveling Kits in 1995 weve used our expertise to develop over 300 applications that span all of the popular trucks and SUVs...do your homework and youll see that weve done ours!

Additional Fitment Information:
Vehicle Block CC Position Engine CID
2003 - GMC Sierra 3500 V 6599 Front 8 Cyl 6.6L 403

Firestone Ride-Rite
  • Ride-Rite® Air Helper Spring Kit
  • Includes Brackets; Air Helper Springs; Hardware; Air Line; And Inflation Valves; No Drilling Required
  • Ride-Rite® Air Helper Spring Kit; Rear; Includes Brackets; Air Helper Springs; Hardware; Air Line; And Inflation Valves; No Drilling Required;
  • Ride-Rite(R) Air Helper Spring Kit
  • Product Attributes:
    • WARNING CA Proposition 65: No
  • Features:
    • Keep The Vehicle Level
    • Level Off-Center Loads
    • Reduce Suspension Fatigue
    • Air Adjustments Improves The Ride
    • Reduce Bottoming Out
    • Increase Vehicle Stability
  • Firestone's most popular and comprehensive air helper spring line, Ride-Rite kits can be installed on most light trucks, motor-homes, RVs, SUVs and vans. Each application is specifically designed to maximize the vehicle's safe load-carrying capacity, stability, ride quality and brake effectiveness. Firestone Ride-Rite air helper springs provide load support through the use of air pressure that can be adjusted for changing loads. They enhance the ride by reducing inter-leaf friction. The system features individual inflation valves that allow for separate side-to-side or front-to-rear adjustment, which helps keep the vehicle level when carrying off-center loads and maintains ride quality under differing load conditions. Most Ride-Rite kits are no-drill systems, designed to use the vehicle's factory holes and mount between its frame and suspension. All the components are included in the kit for an easy installation that typically takes 1 to 2 hours. Kits come with a two-year limited warranty.

Additional Fitment Information:
Vehicle Block CC Position Engine Bed Length CID
2003 - GMC Sierra 3500 V 6599 Rear 8 Cyl 6.6L N/R 403

ProRYDE Suspension Systems
  • Adjustable; 0-2 in. Lift; 1.8 Hours Install Time
  • Duck Head Torsion Key; Front; Adjustable; 0-2 in. Lift; 1.8 Hours Install Time;
  • Duck Head Torsion Key
  • Product Attributes:
    • Lift/Drop Height: 0 In. To 2 In.
  • Features:
    • Forged Surpasses Orem Strength
    • Allows Up To 33 inch Wheel
    • Adds Ride Height Adjustment
    • To Fatigued Sagging Torsion Bar Suspensions
    • Retains Original OE Ride Quality And Comfort
    • Powder Coated Durable Finish
    • Lifetime Warranty
    • Against Manufacturer Defects to Original Purchaser
  • Forged Duck Head Torsion Bar Keys are like no other aftermarket torsion key front lift and leveling kit. Competitive products have simply mirrored the shape of the original key, and indexed or changed the position of the hex to put more initial preload on the torsion bar. We went through the painstaking process of redesigning the entire adjustment system, as well as the shape of the key itself. And, we are the only aftermarket torsion key manufacturer that includes a complete forged replacement drive system and bolts with every kit we sell. The result? A patented, forged system that not only allows front lift options up to 3.0 in. (varying by make and model), but all changes down to near OEM at the bottom of the adjustment. Duck Head torsion keys have the widest adjustment range of any key on the market, meaning that you have control over which adjustment option is right for you. We even include special shock extenders when a particular truck requires it so that the vehicle rides just like it did from the factory guaranteed.

Additional Fitment Information:
Vehicle Position
2003 - GMC Sierra 3500 Front

Tuff Country
  • 2001-2010 Chevy Silverado 2500HD (vehicle has green; orange or white marked fact
  • 2 in.; Includes SX8000 Shcks; Shck Boots; Torsion Bar Keys; Fr Lwr Shck Rlctn Brckt; Rr View Mirror Hngr For Use w/31 in. X 10.50 in. Tires~Models w/Purple Marked Factory Torsion Bar Keys Use PN[12944KN]
  • 2001-2010 Chevy Silverado 2500HD (vehicle has green; orange or white marked factory torsion bars) 4x4/2wd-2in. Leveling Kit Front by (SX8000 Shocks)
  • Torsion Key Leveling Kit
  • Product Attributes:
    • Lift/Drop Height: 2 In.
    • WARNING CA Proposition 65: Yes
    • WARNING CA Proposition 65 Message: Warning: This Product Contains Chemicals Known To The State Of California To Cause Cancer And Birth Defects Or Other Reproductive Harm. For More Information: Www.p65warnings.ca.gov
  • Features:
    • Front Leveling Kit
    • Torsion Bar Keys
  • Tuff Country's torsion bar keys are designed as an easy solution to level trucks with factory torsion bars. These replacement torsion bars reindex the factory torsion bars which lifts the truck without cranking up the factory torsion bars. Applications include Sierra 2500HD/3500HD, Canyon, Yukon and 1988-1998 1500 Truck.

Additional Fitment Information:
Vehicle Block CC Position Engine Drive Type CID
2003 - GMC Sierra 3500 V - Front 8 Cyl 8.1L 4WD 496

Rugged Off Road
  • Rugged Offroad 2000-10 1500HD/2500-3500HD - 8Lug 2.5'' Front Leveling
  • 2000-2010 1500HD/2500-3500HD /AVALANCHE 2500/TAHOE2500/ SUB/YUK 2500 /XL/H2 2.5'' - 8Lug 2.5'' Front Leveling
  • Rugged Off Road
  • Product Attributes:
    • Title: Rugged Off Road 9-301 2000-2010 Gm 2.5''
  • 2000-2010 GM 1500HD/2500HD/3500HD -8-LugSilverado/ Sierra/ Yukon/ Suburban/ Avalanche/ - 8-lug2.5'' Torsion Key Leveling Kit with shocks extensions.The Rugged Off Road? Chevy Silverado 2500/3500 HD 8-lug 2.5 inch Torsion Key Leveling Kit will lift the front of your 2000-2010 Chevy Silverado 2500/3500 HD 8-lug 2WD 4WD pickup or SUV to allow for larger wheels and tires. Provides a leveled stance. Includes shock mount extensions and hardware.

Additional Fitment Information:
Vehicle Drive Type
2003 - GMC Sierra 3500 4WD

Tuff Country
  • 2001-2010 Chevy Silverado 2500HD (vehicle has green; orange or white marked fact
  • 2 in.; Includes SX8000 Shcks; Shck Boots; Torsion Bar Keys; Fr Lwr Shck Rlctn Brckt; Rr View Mirror Hngr For Use w/31 in. X 10.50 in. Tires~Models w/Purple Marked Factory Torsion Bar Keys Use PN[12944KN]
  • 2001-2010 Chevy Silverado 2500HD (vehicle has green; orange or white marked factory torsion bars) 4x4/2wd-2in. Leveling Kit Front by (SX8000 Shocks)
  • Torsion Key Leveling Kit
  • Product Attributes:
    • Lift/Drop Height: 2 In.
    • WARNING CA Proposition 65: Yes
    • WARNING CA Proposition 65 Message: Warning: This Product Contains Chemicals Known To The State Of California To Cause Cancer And Birth Defects Or Other Reproductive Harm. For More Information: Www.p65warnings.ca.gov
  • Features:
    • Front Leveling Kit
    • Torsion Bar Keys
  • Tuff Country's torsion bar keys are designed as an easy solution to level trucks with factory torsion bars. These replacement torsion bars reindex the factory torsion bars which lifts the truck without cranking up the factory torsion bars. Applications include Sierra 2500HD/3500HD, Canyon, Yukon and 1988-1998 1500 Truck.

Additional Fitment Information:
Vehicle Block CC Position Engine Drive Type CID
2003 - GMC Sierra 3500 V - Front 8 Cyl 8.1L 4WD 496

Rugged Off Road
  • Rugged Offroad 2000-10 1500HD/2500-3500HD - 8Lug 2.5'' Front Leveling
  • 2000-2010 1500HD/2500-3500HD /AVALANCHE 2500/TAHOE2500/ SUB/YUK 2500 /XL/H2 2.5'' - 8Lug 2.5'' Front Leveling
  • Rugged Off Road
  • Product Attributes:
    • Title: Rugged Off Road 9-301 2000-2010 Gm 2.5''
  • 2000-2010 GM 1500HD/2500HD/3500HD -8-LugSilverado/ Sierra/ Yukon/ Suburban/ Avalanche/ - 8-lug2.5'' Torsion Key Leveling Kit with shocks extensions.The Rugged Off Road? Chevy Silverado 2500/3500 HD 8-lug 2.5 inch Torsion Key Leveling Kit will lift the front of your 2000-2010 Chevy Silverado 2500/3500 HD 8-lug 2WD 4WD pickup or SUV to allow for larger wheels and tires. Provides a leveled stance. Includes shock mount extensions and hardware.

Additional Fitment Information:
Vehicle Drive Type
2003 - GMC Sierra 3500 4WD
Showing 1 - 10 of 11 products

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