2001-2004 GM 2500HD/3500HD 6.6L LB7 Duramax Lift Kits

2001-2004 GM 2500HD/3500HD 6.6L LB7 Duramax 3-4" Lift Kits

3-4" Lift Kits

2001-2004 GM 2500HD/3500HD 6.6L LB7 Duramax 5-6" Lift Kits

5-6" Lift Kits

2001-2004 GM 2500HD/3500HD 6.6L LB7 Duramax 7-8" Lift Kits

7-8" Lift Kits

2001-2004 GM 2500HD/3500HD 6.6L LB7 Duramax Steering Stabilizers

Steering Stabilizers

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Cognito 110-P0785 4 inch Standard Lift Kit with Fox 2.0 IFP Shocks | 2001-2010 GM Silverado/Sierra 2500HD/3500HD
IN STOCK
Cognito 110-P0785 4 inch Standard Lift Kit with Fox 2.0 IFP Shocks | 2001-2010 GM Silverado/Sierra 2500HD/3500HD

Cognito

Cognito 110-P0785 4 inch Standard Lift Kit with Fox 2.0 IFP Shocks | 2001-2010 GM Silverado/Sierra 2500HD/3500HD

SKU: COG110-P0785
$3,377.60
Timbren GMRCK25S SES 6000lb Suspension Enhancement System | 1999-2010 GM Silverado/Sierra 1500/2500HD
IN STOCK
Timbren GMRCK25S SES 6000lb Suspension Enhancement System | 1999-2010 GM Silverado/Sierra 1500/2500HD
Timbren GMRCK25S SES 6000lb Suspension Enhancement System | 1999-2010 GM Silverado/Sierra 1500/2500HD

Timbren

Timbren GMRCK25S SES 6000lb Suspension Enhancement System | 1999-2010 GM Silverado/Sierra 1500/2500HD

SKU: TIMGMRCK25S
$269.36
Timbren GMFK25S SES Front Suspension Enhancement | 2001-2010 GM Silverado/Sierra 2500HD/3500HD
IN STOCK
Timbren GMFK25S SES Front Suspension Enhancement | 2001-2010 GM Silverado/Sierra 2500HD/3500HD
Timbren GMFK25S SES Front Suspension Enhancement | 2001-2010 GM Silverado/Sierra 2500HD/3500HD

Timbren

Timbren GMFK25S SES Front Suspension Enhancement | 2001-2010 GM Silverado/Sierra 2500HD/3500HD

SKU: TIMGMFK25S
$269.36
Cognito 199-90188 Carrier Bearing Spacer 2-3" inch | 2001-2025 GM Silverado/Sierra 2500HD/3500HD Duramax & 2011-2016 Ford F250/F350
Cognito 199-90188 Carrier Bearing Spacer 2-3" inch | 2001-2025 GM Silverado/Sierra 2500HD/3500HD Duramax & 2011-2016 Ford F250/F350
Cognito 199-90188 Carrier Bearing Spacer 2-3" inch | 2001-2025 GM Silverado/Sierra 2500HD/3500HD Duramax & 2011-2016 Ford F250/F350

Cognito

Cognito 199-90188 Carrier Bearing Spacer 2-3" inch | 2001-2025 GM Silverado/Sierra 2500HD/3500HD Duramax & 2011-2016 Ford F250/F350

SKU: COG199-90188
$96.25
Rough Country 29730A 6 inch Lift Kit with N3 Shocks | 2001-2010 GM Silverado/Sierra 2500HD/3500HD
Rough Country 29730A 6 inch Lift Kit with N3 Shocks | 2001-2010 GM Silverado/Sierra 2500HD/3500HD
Rough Country 29730A 6 inch Lift Kit with N3 Shocks | 2001-2010 GM Silverado/Sierra 2500HD/3500HD
Rough Country 29730A 6 inch Lift Kit with N3 Shocks | 2001-2010 GM Silverado/Sierra 2500HD/3500HD

Rough Country

Rough Country 29730A 6 inch Lift Kit with N3 Shocks | 2001-2010 GM Silverado/Sierra 2500HD/3500HD

SKU: RCS29730A
$1,199.95
Cognito 210-91023 CV Front Driveline Kit | 1999-2016 GM Silverado/Sierra 2500HD/3500HD w/ 4-6" inch Lift
IN STOCK
Cognito 210-91023 CV Front Driveline Kit | 1999-2016 GM Silverado/Sierra 2500HD/3500HD w/ 4-6" inch Lift

Cognito

Cognito 210-91023 CV Front Driveline Kit | 1999-2016 GM Silverado/Sierra 2500HD/3500HD w/ 4-6" inch Lift

SKU: COG210-91023
$699.95
Cognito 110-P0970 6 inch Standard Lift Kit with Fox PS 2.0 IFP Shocks | 2001-2010 GM Silverado/Sierra 2500HD/3500HD
IN STOCK
Cognito 110-P0970 6 inch Standard Lift Kit with Fox PS 2.0 IFP Shocks | 2001-2010 GM Silverado/Sierra 2500HD/3500HD

Cognito

Cognito 110-P0970 6 inch Standard Lift Kit with Fox PS 2.0 IFP Shocks | 2001-2010 GM Silverado/Sierra 2500HD/3500HD

SKU: COG110-P0970
$4,185.50
ReadyLift 66-3051 1 inch Rear Block Kit | 2000-2010 GM Silverado/Sierra 2500HD/3500HD
ReadyLift 66-3051 1 inch Rear Block Kit | 2000-2010 GM Silverado/Sierra 2500HD/3500HD

ReadyLift Suspension

ReadyLift 66-3051 1 inch Rear Block Kit | 2000-2010 GM Silverado/Sierra 2500HD/3500HD

SKU: RLS66-3051
$159.95
ReadyLift 66-3052 2 inch Rear Block Kit | 2000-2010 GM Silverado/Sierra 2500HD/3500HD
ReadyLift 66-3052 2 inch Rear Block Kit | 2000-2010 GM Silverado/Sierra 2500HD/3500HD

ReadyLift Suspension

ReadyLift 66-3052 2 inch Rear Block Kit | 2000-2010 GM Silverado/Sierra 2500HD/3500HD

SKU: RLS66-3052
$169.95
Cognito 199-90189 Carrier Bearing Spacer 3-4" inch | 2001-2025 GM 2500HD/3500HD & 11-16 Ford F250/F350
Cognito 199-90189 Carrier Bearing Spacer 3-4" inch | 2001-2025 GM 2500HD/3500HD & 11-16 Ford F250/F350
Cognito 199-90189 Carrier Bearing Spacer 3-4" inch | 2001-2025 GM 2500HD/3500HD & 11-16 Ford F250/F350

Cognito

Cognito 199-90189 Carrier Bearing Spacer 3-4" inch | 2001-2025 GM 2500HD/3500HD & 11-16 Ford F250/F350

SKU: COG199-90189
$96.25
Cognito 110-90227 Front Leveling Limit Strap Kit | 2001-2010 GM Silverado/Sierra 2500HD/3500HD
Cognito 110-90227 Front Leveling Limit Strap Kit | 2001-2010 GM Silverado/Sierra 2500HD/3500HD

Cognito

Cognito 110-90227 Front Leveling Limit Strap Kit | 2001-2010 GM Silverado/Sierra 2500HD/3500HD

SKU: COG110-90227
$159.95
Cognito 110-90228 10-12 inch Front Limit Strap Kit | 2001-2010 GM Silverado/Sierra 2500HD/3500HD
Cognito 110-90228 10-12 inch Front Limit Strap Kit | 2001-2010 GM Silverado/Sierra 2500HD/3500HD

Cognito

Cognito 110-90228 10-12 inch Front Limit Strap Kit | 2001-2010 GM Silverado/Sierra 2500HD/3500HD

SKU: COG110-90228
$159.95
BDS 149FS 7 inch Lift Kit with FOX 2.0 Shocks - Carrier Above Crossmember | 2001-2010 GM Silverado/Sierra 2500HD 2WD
BDS 149FS 7 inch Lift Kit with FOX 2.0 Shocks - Carrier Above Crossmember | 2001-2010 GM Silverado/Sierra 2500HD 2WD

BDS Suspension

BDS 149FS 7 inch Lift Kit with FOX 2.0 Shocks - Carrier Above Crossmember | 2001-2010 GM Silverado/Sierra 2500HD 2WD

SKU: BDS149FS
$2,588.55
BDS 149H 7 inch Lift Kit with NX2 Nitro Series Shocks - Carrier Above Crossmember | 2001-2010 GM Silverado/Sierra 2500HD 2WD
BDS 149H 7 inch Lift Kit with NX2 Nitro Series Shocks - Carrier Above Crossmember | 2001-2010 GM Silverado/Sierra 2500HD 2WD

BDS Suspension

BDS 149H 7 inch Lift Kit with NX2 Nitro Series Shocks - Carrier Above Crossmember | 2001-2010 GM Silverado/Sierra 2500HD 2WD

SKU: BDS149H
$1,988.55
BDS 742FDSC 4.5 inch Lift with FOX 2.5 Coilover Conversion | 2001-2010 GM Silverado/Sierra 2500HD/3500HD Duramax
BDS 742FDSC 4.5 inch Lift with FOX 2.5 Coilover Conversion | 2001-2010 GM Silverado/Sierra 2500HD/3500HD Duramax

BDS Suspension

BDS 742FDSC 4.5 inch Lift with FOX 2.5 Coilover Conversion | 2001-2010 GM Silverado/Sierra 2500HD/3500HD Duramax

SKU: BDS742FDSC
$3,448.85
BDS 741FDSC 6.5 inch Lift with FOX 2.5 Coilover Conversion | 2001-2010 GM Silverado/Sierra 2500HD/3500HD Duramax
BDS 741FDSC 6.5 inch Lift with FOX 2.5 Coilover Conversion | 2001-2010 GM Silverado/Sierra 2500HD/3500HD Duramax

BDS Suspension

BDS 741FDSC 6.5 inch Lift with FOX 2.5 Coilover Conversion | 2001-2010 GM Silverado/Sierra 2500HD/3500HD Duramax

SKU: BDS741FDSC
$3,448.85
BDS 150H 7 inch NX2 Lift Kit - Carrier Below Crossmember | 2001-2010 GM Silverado/Sierra 2500HD 2WD
BDS 150H 7 inch NX2 Lift Kit - Carrier Below Crossmember | 2001-2010 GM Silverado/Sierra 2500HD 2WD

BDS Suspension

BDS 150H 7 inch NX2 Lift Kit - Carrier Below Crossmember | 2001-2010 GM Silverado/Sierra 2500HD 2WD

SKU: BDS150H
$1,988.55
BDS 150FS 7 inch FOX 2.0 Lift Kit - Carrier Below Crossmember | 2001-2010 GM Silverado/Sierra 2500HD 2WD
BDS 150FS 7 inch FOX 2.0 Lift Kit - Carrier Below Crossmember | 2001-2010 GM Silverado/Sierra 2500HD 2WD

BDS Suspension

BDS 150FS 7 inch FOX 2.0 Lift Kit - Carrier Below Crossmember | 2001-2010 GM Silverado/Sierra 2500HD 2WD

SKU: BDS150FS
$2,588.55
BDS 1818FDSC 7 inch FOX 2.5 Coilover Conversion Lift Kit - Carrier Below Crossmember | 2001-2010 GM Silverado/Sierra 2500HD 2WD
BDS 1818FDSC 7 inch FOX 2.5 Coilover Conversion Lift Kit - Carrier Below Crossmember | 2001-2010 GM Silverado/Sierra 2500HD 2WD

BDS Suspension

BDS 1818FDSC 7 inch FOX 2.5 Coilover Conversion Lift Kit - Carrier Below Crossmember | 2001-2010 GM Silverado/Sierra 2500HD 2WD

SKU: BDS1818FDSC
$5,617.50
BDS 149FDSC 7 inch FOX 2.5 Coilover Conversion Lift Kit - Carrier Above Crossmember | 2001-2010 GM Silverado/Sierra 2500HD 2WD
BDS 149FDSC 7 inch FOX 2.5 Coilover Conversion Lift Kit - Carrier Above Crossmember | 2001-2010 GM Silverado/Sierra 2500HD 2WD

BDS Suspension

BDS 149FDSC 7 inch FOX 2.5 Coilover Conversion Lift Kit - Carrier Above Crossmember | 2001-2010 GM Silverado/Sierra 2500HD 2WD

SKU: BDS149FDSC
$5,617.50
Rough Country 29740 6 inch Lift Kit with M2 Monotube Shocks | 2001-2010 GM Silverado/Sierra 2500HD/3500HD
Rough Country 29740 6 inch Lift Kit with M2 Monotube Shocks | 2001-2010 GM Silverado/Sierra 2500HD/3500HD
Rough Country 29740 6 inch Lift Kit with M2 Monotube Shocks | 2001-2010 GM Silverado/Sierra 2500HD/3500HD
Rough Country 29740 6 inch Lift Kit with M2 Monotube Shocks | 2001-2010 GM Silverado/Sierra 2500HD/3500HD

Rough Country

Rough Country 29740 6 inch Lift Kit with M2 Monotube Shocks | 2001-2010 GM Silverado/Sierra 2500HD/3500HD

SKU: RCS29770-2
$1,449.95
Rough Country 29770 6 inch Lift Kit with V2 Monotube Shocks | 2001-2010 GM Silverado/Sierra 2500HD/3500HD
Rough Country 29770 6 inch Lift Kit with V2 Monotube Shocks | 2001-2010 GM Silverado/Sierra 2500HD/3500HD
Rough Country 29770 6 inch Lift Kit with V2 Monotube Shocks | 2001-2010 GM Silverado/Sierra 2500HD/3500HD
Rough Country 29770 6 inch Lift Kit with V2 Monotube Shocks | 2001-2010 GM Silverado/Sierra 2500HD/3500HD

Rough Country

Rough Country 29770 6 inch Lift Kit with V2 Monotube Shocks | 2001-2010 GM Silverado/Sierra 2500HD/3500HD

SKU: RCS29770
$1,519.95
Cognito 210-91024 CV Front Driveline Kit For 7-9" inch & 10-12" inch Lift | 2001-2016 GM Silverado/Sierra 2500HD/3500HD
IN STOCK
Cognito 210-91024 CV Front Driveline Kit For 7-9" inch & 10-12" inch Lift | 2001-2016 GM Silverado/Sierra 2500HD/3500HD

Cognito

Cognito 210-91024 CV Front Driveline Kit For 7-9" inch & 10-12" inch Lift | 2001-2016 GM Silverado/Sierra 2500HD/3500HD

SKU: COG210-91024
$699.95
Cognito 110-P0786 7 inch Standard Lift Kit with Fox PSRR 2.0 Shocks | 2001-2010 GM Silverado/Sierra 2500HD/3500HD
Cognito 110-P0786 7 inch Standard Lift Kit with Fox PSRR 2.0 Shocks | 2001-2010 GM Silverado/Sierra 2500HD/3500HD

Cognito

Cognito 110-P0786 7 inch Standard Lift Kit with Fox PSRR 2.0 Shocks | 2001-2010 GM Silverado/Sierra 2500HD/3500HD

SKU: COG110-P0786
$4,332.86

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DIESEL TRUCK EXPERTS STANDING BY

A suspension lift kit is a great way to change up the appearance of your 2001-2004 GM 6.6L Duramax LB7 build, allowing you to fit on larger tires, improve your truck's overall handling, and experience a more commanding view of the road. Here at Alligator Performance, we offer a wide variety of different lift kits for every need and budget, whether that means a performance-oriented suspension lift or a simple set of upgraded coilovers for a sweet exterior appeal. When you've found a kit that best fits your desired appeal, be sure to check out our lineup of 2001-2004 GM 2500/3500 Wheels & Tires to complete your custom build! GM Duramax Fitments: 2001, 2002, 2003, 2004 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>2001-2004 6.6L LB7
3-4" Lift Kits
5-6" Lift Kits
7-8" Lift Kits
Lift Kit Upgrades

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