Looking for aftermarket parts to modify or upgrade your 2004 GMC Sierra 1500 with air suspension kits? At Tunersports.com we carry a huge selection of the top name brand performance air suspension kit parts and accessories for your Sierra 1500.
Whether you have a 2004 GMC Sierra 1500 in Base to WT trim we have you covered. We have 10 air suspension kits available to mod your Sierra 1500. All parts have free shipping to the Continental US 48 States.
 IN STOCK 57272Air Lift adjustable air helper springs level your load, and give your Half-Ton truck a safer, more comfortable ride. Air springs are easy to install between your axle and the vehicle frame. Just add air when towing or hauling a heavy load, and reduce air... Air Lift Loadlifter 5000 for Half Ton Vehicles 1999-2007 GMC Sierra 1500 SLE / SLT 2002-2005 GMC Sierra 1500 Base 2002-2007 GMC Sierra 1500 WT $396.52 |
 IN STOCK 88272LoadLifter 5000 ULTIMATE Heavy Half-Ton adjustable air spring kits feature all of the benefits of our heaviest rated air spring with the addition of an internal jounce bumper inside the spring for the ultimate in ride comfort. An Air Lift exclusive produc... Air Lift Loadlifter 5000 Ultimate Rear Air Spring Kit for 99-06 GMC Sierra 1500 4WD 1999-2007 GMC Sierra 1500 SLE / SLT 2002-2005 GMC Sierra 1500 Base 2002-2007 GMC Sierra 1500 WT $505.05 |
 IN STOCK 59501Air Lift adjustable air helper springs level your load, and give your truck, van, or SUV a safer, more comfortable ride. Air springs are easy to install between your existing springs and the vehicle frame. Just add air when towing or hauling a heavy load, and reduce air pressure when unloaded; they ... Air Lift Ridecontrol Air Spring Kit 1999-2006 GMC Sierra 1500 SLE / SLT 2002-2005 GMC Sierra 1500 Base 2002-2006 GMC Sierra 1500 WT $352.86 |
 OUT OF STOCK 59103Up to 4000 pounds of leveling capacity. Eliminates bottoming out. Adjustable spring rate and comfortable ride. For variable load requirements. Easier and faster installation. Detailed instructions included. Limited lifetime warranty.... Air Lift Slamair Kit 1999-2008 GMC Sierra 1500 SLE / SLT 2002-2005 GMC Sierra 1500 Base 2002-2008 GMC Sierra 1500 WT $364.23 |
 IN STOCK 59209Up to 4000 pounds of leveling capacity. Eliminates bottoming out. Adjustable spring rate and comfortable ride. For variable load requirements. Easier and faster installation. Detailed instructions included. Limited lifetime warranty.... Air Lift Slamair Kit 1999-2016 GMC Sierra 1500 SLE / SLT 2002-2005 GMC Sierra 1500 Base 2002-2013 GMC Sierra 1500 WT $434.87 |
 IN STOCK 2320Firestone Sport-Rite air helper springs could be the answer to all of your ride-performance needs. They're state-of-the-art tapered air springs that mount between the frame and suspension of your vehicle and deliver benefits whether it's empty or loaded. When it's empty, they enhance the ride qualit... Firestone Sport-Rite Air Helper Spring Kit Rear 99-05 Chevy 1500 No HD/97-04 Ford F-150 (W217602320) 1999-2006 GMC Sierra 1500 SLE / SLT 2002-2005 GMC Sierra 1500 Base 2002-2006 GMC Sierra 1500 Denali / WT $538.89 |
 SHIPS FROM MANUFACTURER 11383001Ridetech 99-06 Chevy Silverado HQ Series ShockWaves Front Pair 1999-2006 GMC Sierra 1500 SLE / SLT 2002-2005 GMC Sierra 1500 Base 2002-2006 GMC Sierra 1500 WT $995.00 |
 SHIPS FROM MANUFACTURER 11389510Ridetech 99-06 Silverado/Sierra Rear HQ Shock Kit for Flip Kit 1999-2006 GMC Sierra 1500 SLE / SLT 2002-2005 GMC Sierra 1500 Base 2002-2006 GMC Sierra 1500 WT $588.28 |
 IN STOCK - LOW 21150801Ridetech HQ Series Rear ShockWaves 5in Travel 5in dia Rolling Sleeve .625 Bearing/.625 Bearing 1999-2018 GMC Sierra 1500 SLE / SLT 2002-2005 GMC Sierra 1500 Base 2002-2013 GMC Sierra 1500 WT $945.00 |
 SHIPS FROM MANUFACTURER 11383011Ridetech 99-06 Chevy Silverado TQ Series ShockWaves Front Pair 1999-2006 GMC Sierra 1500 SLE / SLT 2002-2005 GMC Sierra 1500 Base 2002-2006 GMC Sierra 1500 WT $2,155.00 |