2004.5-2005 GM 2500HD/3500HD 6.6L LLY Duramax Air Springs

Engineered for heavy towing, these air springs for the 2004.5-2005 GM 2500HD/3500HD are available in various kit sizes and configurations to support your load and improve stability. Air springs are an excellent choice for those who regularly tow or haul heavy loads, effectively eliminating rear-end sag caused by excess weight. Check out our selection of Sway Bars for additional towing stability.  GM Duramax Fitments: 2004, 2005 GM 6.6L Duramax. Submodel Fitments: WT, Custom, LT, LTZ, High Country, 1LT, 2LT, Pro, SLE, SLT, AT4, Denali. Some exceptions apply, please see individual product pages for specific fitments.

GM Duramax>2004.5-2005 6.6L LLY
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PacBrake HP10005 Heavy Duty Rear Air Suspension Kit | 2001-2010 GM Silverado/Sierra 2500HD/3500HD
IN STOCK
PacBrake HP10005 Heavy Duty Rear Air Suspension Kit | 2001-2010 GM Silverado/Sierra 2500HD/3500HD
PacBrake HP10005 Heavy Duty Rear Air Suspension Kit | 2001-2010 GM Silverado/Sierra 2500HD/3500HD
PacBrake HP10005 Heavy Duty Rear Air Suspension Kit | 2001-2010 GM Silverado/Sierra 2500HD/3500HD

PacBrake

PacBrake HP10005 Heavy Duty Rear Air Suspension Kit | 2001-2010 GM Silverado/Sierra 2500HD/3500HD

SKU: PACHP10005
$387.99
Firestone 2071 Rear Ride-Rite Air Spring Kit | Universal
IN STOCK
Firestone 2071 Rear Ride-Rite Air Spring Kit | Universal
Firestone 2071 Rear Ride-Rite Air Spring Kit | Universal

Firestone

Firestone 2071 Rear Ride-Rite Air Spring Kit | Universal

SKU: FIR2071
$494.43
PacBrake HP10005-J Alpha HD Pro Rear Air Suspension | 2001-2010 GM Silverado/Sierra 2500HD/3500HD
IN STOCK
PacBrake HP10005-J Alpha HD Pro Rear Air Suspension | 2001-2010 GM Silverado/Sierra 2500HD/3500HD
PacBrake HP10005-J Alpha HD Pro Rear Air Suspension | 2001-2010 GM Silverado/Sierra 2500HD/3500HD
PacBrake HP10005-J Alpha HD Pro Rear Air Suspension | 2001-2010 GM Silverado/Sierra 2500HD/3500HD

PacBrake

PacBrake HP10005-J Alpha HD Pro Rear Air Suspension | 2001-2010 GM Silverado/Sierra 2500HD/3500HD

SKU: PACHP10005-J
$473.33
$525.92
ReadyLift 50-41100 AirIQ SD2 Air Management Package 1 Channel 275SD | Universal
IN STOCK
ReadyLift 50-41100 AirIQ SD2 Air Management Package 1 Channel 275SD | Universal
ReadyLift 50-41100 AirIQ SD2 Air Management Package 1 Channel 275SD | Universal

ReadyLift Air

ReadyLift 50-41100 AirIQ SD2 Air Management Package 1 Channel 275SD | Universal

SKU: RLA50-41100
$799.95
Firestone 2870 Rear All-In-One Wireless Air Spring Kit | 2001-2010 GM Silverado/Sierra 2500HD/3500HD 4WD/2WD
Firestone 2870 Rear All-In-One Wireless Air Spring Kit | 2001-2010 GM Silverado/Sierra 2500HD/3500HD 4WD/2WD
Firestone 2870 Rear All-In-One Wireless Air Spring Kit | 2001-2010 GM Silverado/Sierra 2500HD/3500HD 4WD/2WD
Firestone 2870 Rear All-In-One Wireless Air Spring Kit | 2001-2010 GM Silverado/Sierra 2500HD/3500HD 4WD/2WD

Firestone

Firestone 2870 Rear All-In-One Wireless Air Spring Kit | 2001-2010 GM Silverado/Sierra 2500HD/3500HD 4WD/2WD

SKU: FIR2870
$1,008.45
Firestone 2869 Rear All-In-One Analog Air Spring Kit | 2001-2010 GM Silverado/Sierra 2500HD/3500HD 4WD/2WD
Firestone 2869 Rear All-In-One Analog Air Spring Kit | 2001-2010 GM Silverado/Sierra 2500HD/3500HD 4WD/2WD
Firestone 2869 Rear All-In-One Analog Air Spring Kit | 2001-2010 GM Silverado/Sierra 2500HD/3500HD 4WD/2WD
Firestone 2869 Rear All-In-One Analog Air Spring Kit | 2001-2010 GM Silverado/Sierra 2500HD/3500HD 4WD/2WD

Firestone

Firestone 2869 Rear All-In-One Analog Air Spring Kit | 2001-2010 GM Silverado/Sierra 2500HD/3500HD 4WD/2WD

SKU: FIR2869
$885.78
Firestone 2700 Rear RED Label Air Spring Kit | 2001-2010 GM Silverado/Sierra 2500HD/3500HD 2WD/4WD
IN STOCK
Firestone 2700 Rear RED Label Air Spring Kit | 2001-2010 GM Silverado/Sierra 2500HD/3500HD 2WD/4WD
Firestone 2700 Rear RED Label Air Spring Kit | 2001-2010 GM Silverado/Sierra 2500HD/3500HD 2WD/4WD
Firestone 2700 Rear RED Label Air Spring Kit | 2001-2010 GM Silverado/Sierra 2500HD/3500HD 2WD/4WD

Firestone

Firestone 2700 Rear RED Label Air Spring Kit | 2001-2010 GM Silverado/Sierra 2500HD/3500HD 2WD/4WD

SKU: FIR2700
$762.32
Firestone 2250 Rear Ride-Rite Air Spring Kit | 2001-2010 GM 2500HD/3500HD
IN STOCK
Firestone 2250 Rear Ride-Rite Air Spring Kit | 2001-2010 GM 2500HD/3500HD

Firestone

Firestone 2250 Rear Ride-Rite Air Spring Kit | 2001-2010 GM 2500HD/3500HD

SKU: FIR2250
$542.26
PacBrake HP10005-X Alpha XD 7500 Air Spring Suspension Kit | 2001-2010 GM Silverado/Sierra 2500HD/3500HD
PacBrake HP10005-X Alpha XD 7500 Air Spring Suspension Kit | 2001-2010 GM Silverado/Sierra 2500HD/3500HD
PacBrake HP10005-X Alpha XD 7500 Air Spring Suspension Kit | 2001-2010 GM Silverado/Sierra 2500HD/3500HD
PacBrake HP10005-X Alpha XD 7500 Air Spring Suspension Kit | 2001-2010 GM Silverado/Sierra 2500HD/3500HD

PacBrake

PacBrake HP10005-X Alpha XD 7500 Air Spring Suspension Kit | 2001-2010 GM Silverado/Sierra 2500HD/3500HD

SKU: PACHP10005-X
$597.64
$664.05
PacBrake HP10005-X-J Alpha XD Pro 7500 lb Rear Air Suspension | 2001-2010 GM Silverado/Sierra 3500HD
IN STOCK
PacBrake HP10005-X-J Alpha XD Pro 7500 lb Rear Air Suspension | 2001-2010 GM Silverado/Sierra 3500HD
PacBrake HP10005-X-J Alpha XD Pro 7500 lb Rear Air Suspension | 2001-2010 GM Silverado/Sierra 3500HD
PacBrake HP10005-X-J Alpha XD Pro 7500 lb Rear Air Suspension | 2001-2010 GM Silverado/Sierra 3500HD

PacBrake

PacBrake HP10005-X-J Alpha XD Pro 7500 lb Rear Air Suspension | 2001-2010 GM Silverado/Sierra 3500HD

SKU: PACHP10005-X-J
$688.33
$764.81

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