2017-2019 GM 2500HD/3500HD 6.6L L5P Duramax Suspension & Steering

2017-2019 GM 2500HD/3500HD 6.6L L5P Duramax Leveling Kits

Leveling Kits

2017-2019 GM 2500HD/3500HD 6.6L L5P Duramax Lift Kits

Lift Kits

2017-2019 GM 2500HD/3500HD 6.6L L5P Duramax Shocks & Shock Packages

Shocks & Shock Packages

2017-2019 GM 2500HD/3500HD 6.6L L5P Duramax Control Arms & Ball Joints

Control Arms & Ball Joints

2017-2019 GM 2500HD/3500HD 6.6L L5P Duramax Steering Components

Steering Components

2017-2019 GM 2500HD/3500HD 6.6L L5P Duramax Sway Bars

Sway Bars

2017-2019 GM 2500HD/3500HD 6.6L L5P Duramax Traction Bars

Traction Bars

2017-2019 GM 2500HD/3500HD 6.6L L5P Duramax Torsion Keys

Torsion Keys

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Cognito 110-P0928 3" inch Performance Leveling Kit | 2011-2019 GM Silverado/Sierra 2500HD/3500HD
IN STOCK
Cognito 110-P0928 3" inch Performance Leveling Kit | 2011-2019 GM Silverado/Sierra 2500HD/3500HD

Cognito

Cognito 110-P0928 3" inch Performance Leveling Kit | 2011-2019 GM Silverado/Sierra 2500HD/3500HD

SKU: COG110-P0928
$1,794.92
Bilstein 33-230368 B8 5125 Universal Road Shock - for 10-11" Travel Stem to Eyelet - (Single) | Universal
IN STOCK
Bilstein 33-230368 B8 5125 Universal Road Shock - for 10-11" Travel Stem to Eyelet - (Single) | Universal
Bilstein 33-230368 B8 5125 Universal Road Shock - for 10-11" Travel Stem to Eyelet - (Single) | Universal
Bilstein 33-230368 B8 5125 Universal Road Shock - for 10-11" Travel Stem to Eyelet - (Single) | Universal
Bilstein 33-230368 B8 5125 Universal Road Shock - for 10-11" Travel Stem to Eyelet - (Single) | Universal

Bilstein

Bilstein 33-230368 B8 5125 Universal Road Shock - for 10-11" Travel Stem to Eyelet - (Single) | Universal

SKU: BIL33-230368
$120
Cognito 510-90935 Steering Stabilizer Relocation Kit | 2011-2019 GM Silverado/Sierra 2500HD/3500HD
Cognito 510-90935 Steering Stabilizer Relocation Kit | 2011-2019 GM Silverado/Sierra 2500HD/3500HD

Cognito

Cognito 510-90935 Steering Stabilizer Relocation Kit | 2011-2019 GM Silverado/Sierra 2500HD/3500HD

SKU: COG510-90935
$22.42
King 25001-302A 2.5" Front Shocks - for 0-1.5" Lift - (Pair) | 2011-2026 GM Sierra/Silverado 2500HD/3500HD
King 25001-302A 2.5" Front Shocks - for 0-1.5" Lift - (Pair) | 2011-2026 GM Sierra/Silverado 2500HD/3500HD
King 25001-302A 2.5" Front Shocks - for 0-1.5" Lift - (Pair) | 2011-2026 GM Sierra/Silverado 2500HD/3500HD
King 25001-302A 2.5" Front Shocks - for 0-1.5" Lift - (Pair) | 2011-2026 GM Sierra/Silverado 2500HD/3500HD
King 25001-302A 2.5" Front Shocks - for 0-1.5" Lift - (Pair) | 2011-2026 GM Sierra/Silverado 2500HD/3500HD

King Off-Road

King 25001-302A 2.5" Front Shocks - for 0-1.5" Lift - (Pair) | 2011-2026 GM Sierra/Silverado 2500HD/3500HD

SKU: KNG25001-302A
$1,309.10
FOX 987-24-009 2.5 Performance IFP HTO Rear Shock - for 0-1" Lift - (Single) | 2011-2026 GM Sierra/Silverado 2500HD/3500HD
FOX 987-24-009 2.5 Performance IFP HTO Rear Shock - for 0-1" Lift - (Single) | 2011-2026 GM Sierra/Silverado 2500HD/3500HD
FOX 987-24-009 2.5 Performance IFP HTO Rear Shock - for 0-1" Lift - (Single) | 2011-2026 GM Sierra/Silverado 2500HD/3500HD
FOX 987-24-009 2.5 Performance IFP HTO Rear Shock - for 0-1" Lift - (Single) | 2011-2026 GM Sierra/Silverado 2500HD/3500HD
FOX 987-24-009 2.5 Performance IFP HTO Rear Shock - for 0-1" Lift - (Single) | 2011-2026 GM Sierra/Silverado 2500HD/3500HD
FOX 987-24-009 2.5 Performance IFP HTO Rear Shock - for 0-1" Lift - (Single) | 2011-2026 GM Sierra/Silverado 2500HD/3500HD

Fox Shocks

FOX 987-24-009 2.5 Performance IFP HTO Rear Shock - for 0-1" Lift - (Single) | 2011-2026 GM Sierra/Silverado 2500HD/3500HD

SKU: FOX987-24-009
$346.95
BDS 85430 Front NX2 Steering Stabilizer Shock - (Single) | 2015-2026 GM Silverado/Sierra 2500HD/3500HD 6.6L Duramax
BDS 85430 Front NX2 Steering Stabilizer Shock - (Single) | 2015-2026 GM Silverado/Sierra 2500HD/3500HD 6.6L Duramax
BDS 85430 Front NX2 Steering Stabilizer Shock - (Single) | 2015-2026 GM Silverado/Sierra 2500HD/3500HD 6.6L Duramax
BDS 85430 Front NX2 Steering Stabilizer Shock - (Single) | 2015-2026 GM Silverado/Sierra 2500HD/3500HD 6.6L Duramax
BDS 85430 Front NX2 Steering Stabilizer Shock - (Single) | 2015-2026 GM Silverado/Sierra 2500HD/3500HD 6.6L Duramax

BDS Suspension

BDS 85430 Front NX2 Steering Stabilizer Shock - (Single) | 2015-2026 GM Silverado/Sierra 2500HD/3500HD 6.6L Duramax

SKU: BDS85430
$63.95
Kryptonite KRGUSSET11 Idler Support Frame Gusset | 2011-2025 GM Silverado/Sierra 2500HD/3500HD
Kryptonite KRGUSSET11 Idler Support Frame Gusset | 2011-2025 GM Silverado/Sierra 2500HD/3500HD
Kryptonite KRGUSSET11 Idler Support Frame Gusset | 2011-2025 GM Silverado/Sierra 2500HD/3500HD

Kryptonite

Kryptonite KRGUSSET11 Idler Support Frame Gusset | 2011-2025 GM Silverado/Sierra 2500HD/3500HD

SKU: KRPKRGUSSET11
$85.49
Kryptonite KRBUCA11 Upper Control Arm Bushings | 2011-2025 GM Silverado/Sierra 2500HD/3500HD 6.6L Duramax
Kryptonite KRBUCA11 Upper Control Arm Bushings | 2011-2025 GM Silverado/Sierra 2500HD/3500HD 6.6L Duramax
Kryptonite KRBUCA11 Upper Control Arm Bushings | 2011-2025 GM Silverado/Sierra 2500HD/3500HD 6.6L Duramax
Kryptonite KRBUCA11 Upper Control Arm Bushings | 2011-2025 GM Silverado/Sierra 2500HD/3500HD 6.6L Duramax
Kryptonite KRBUCA11 Upper Control Arm Bushings | 2011-2025 GM Silverado/Sierra 2500HD/3500HD 6.6L Duramax

Kryptonite

Kryptonite KRBUCA11 Upper Control Arm Bushings | 2011-2025 GM Silverado/Sierra 2500HD/3500HD 6.6L Duramax

SKU: KRPKRBUCA11
$56.99
Kryptonite 11KXDI34 Gen 1 Replacement Inner Tie Rod 3/4 | 2011-2025 GM Silverado/Sierra 2500HD/3500HD
Kryptonite 11KXDI34 Gen 1 Replacement Inner Tie Rod 3/4 | 2011-2025 GM Silverado/Sierra 2500HD/3500HD
Kryptonite 11KXDI34 Gen 1 Replacement Inner Tie Rod 3/4 | 2011-2025 GM Silverado/Sierra 2500HD/3500HD

Kryptonite

Kryptonite 11KXDI34 Gen 1 Replacement Inner Tie Rod 3/4 | 2011-2025 GM Silverado/Sierra 2500HD/3500HD

SKU: KRP11KXDI34
$56.99
Cognito 510-91152 Comfort Ride Leaf Springs | 2011-2025 GM Silverado/Sierra 2500HD/3500HD
IN STOCK
Cognito 510-91152 Comfort Ride Leaf Springs | 2011-2025 GM Silverado/Sierra 2500HD/3500HD

Cognito

Cognito 510-91152 Comfort Ride Leaf Springs | 2011-2025 GM Silverado/Sierra 2500HD/3500HD

SKU: COG510-91152
$1,125.01
Cognito 110-90253 Front Sway Bar End Link Kit | 2001-2019 GM Silverado/Sierra 2500HD/3500HD w/ 4-6" inch Lift
IN STOCK
Cognito 110-90253 Front Sway Bar End Link Kit | 2001-2019 GM Silverado/Sierra 2500HD/3500HD w/ 4-6" inch Lift

Cognito

Cognito 110-90253 Front Sway Bar End Link Kit | 2001-2019 GM Silverado/Sierra 2500HD/3500HD w/ 4-6" inch Lift

SKU: COG110-90253
$114.95
Cognito 110-P0926 3" inch Premier Leveling Kit | 2011-2019 GM Silverado/Sierra 2500HD/3500HD
IN STOCK
Cognito 110-P0926 3" inch Premier Leveling Kit | 2011-2019 GM Silverado/Sierra 2500HD/3500HD

Cognito

Cognito 110-P0926 3" inch Premier Leveling Kit | 2011-2019 GM Silverado/Sierra 2500HD/3500HD

SKU: COG110-P0926
$2,578.23
Rough Country 95920 3" inch Bolt-On Suspension Lift Kit with Upper Control Arms | 2011-2019 GM Silverado/Sierra 2500HD/3500HD 6.6L Duramax
Rough Country 95920 3" inch Bolt-On Suspension Lift Kit with Upper Control Arms | 2011-2019 GM Silverado/Sierra 2500HD/3500HD 6.6L Duramax
Rough Country 95920 3" inch Bolt-On Suspension Lift Kit with Upper Control Arms | 2011-2019 GM Silverado/Sierra 2500HD/3500HD 6.6L Duramax

Rough Country

Rough Country 95920 3" inch Bolt-On Suspension Lift Kit with Upper Control Arms | 2011-2019 GM Silverado/Sierra 2500HD/3500HD 6.6L Duramax

SKU: RCS95920
$739.95
Bilstein 33-230436 B8 5125 Universal Road Shock - for 12-13" Travel Stem to Eyelet - (Single) | Universal
Bilstein 33-230436 B8 5125 Universal Road Shock - for 12-13" Travel Stem to Eyelet - (Single) | Universal
Bilstein 33-230436 B8 5125 Universal Road Shock - for 12-13" Travel Stem to Eyelet - (Single) | Universal
Bilstein 33-230436 B8 5125 Universal Road Shock - for 12-13" Travel Stem to Eyelet - (Single) | Universal
Bilstein 33-230436 B8 5125 Universal Road Shock - for 12-13" Travel Stem to Eyelet - (Single) | Universal

Bilstein

Bilstein 33-230436 B8 5125 Universal Road Shock - for 12-13" Travel Stem to Eyelet - (Single) | Universal

SKU: BIL33-230436
$120
Bilstein 33-230429 5125 Universal Road Shock - for 11-12" Travel Stem to Eyelet - (Single) | Universal
IN STOCK
Bilstein 33-230429 5125 Universal Road Shock - for 11-12" Travel Stem to Eyelet - (Single) | Universal
Bilstein 33-230429 5125 Universal Road Shock - for 11-12" Travel Stem to Eyelet - (Single) | Universal
Bilstein 33-230429 5125 Universal Road Shock - for 11-12" Travel Stem to Eyelet - (Single) | Universal
Bilstein 33-230429 5125 Universal Road Shock - for 11-12" Travel Stem to Eyelet - (Single) | Universal
Bilstein 33-230429 5125 Universal Road Shock - for 11-12" Travel Stem to Eyelet - (Single) | Universal

Bilstein

Bilstein 33-230429 5125 Universal Road Shock - for 11-12" Travel Stem to Eyelet - (Single) | Universal

SKU: BIL33-230429
$120
Bilstein 33-230412 B8 5125 Universal Road Shock - for 9-10" Travel Stem to Eyelet - (Single) | Universal
Bilstein 33-230412 B8 5125 Universal Road Shock - for 9-10" Travel Stem to Eyelet - (Single) | Universal
Bilstein 33-230412 B8 5125 Universal Road Shock - for 9-10" Travel Stem to Eyelet - (Single) | Universal
Bilstein 33-230412 B8 5125 Universal Road Shock - for 9-10" Travel Stem to Eyelet - (Single) | Universal
Bilstein 33-230412 B8 5125 Universal Road Shock - for 9-10" Travel Stem to Eyelet - (Single) | Universal
Bilstein 33-230412 B8 5125 Universal Road Shock - for 9-10" Travel Stem to Eyelet - (Single) | Universal

Bilstein

Bilstein 33-230412 B8 5125 Universal Road Shock - for 9-10" Travel Stem to Eyelet - (Single) | Universal

SKU: BIL33-230412
$120
Bilstein 33-230399 B8 5125 Universal Road Shock - for 11-12" Travel Stem to Eyelet - (Single) | Universal
IN STOCK
Bilstein 33-230399 B8 5125 Universal Road Shock - for 11-12" Travel Stem to Eyelet - (Single) | Universal
Bilstein 33-230399 B8 5125 Universal Road Shock - for 11-12" Travel Stem to Eyelet - (Single) | Universal
Bilstein 33-230399 B8 5125 Universal Road Shock - for 11-12" Travel Stem to Eyelet - (Single) | Universal
Bilstein 33-230399 B8 5125 Universal Road Shock - for 11-12" Travel Stem to Eyelet - (Single) | Universal
Bilstein 33-230399 B8 5125 Universal Road Shock - for 11-12" Travel Stem to Eyelet - (Single) | Universal

Bilstein

Bilstein 33-230399 B8 5125 Universal Road Shock - for 11-12" Travel Stem to Eyelet - (Single) | Universal

SKU: BIL33-230399
$120
Bilstein 33-230306 B8 5125 Universal Road Shock - for 4-5" Travel Stem to Eyelet - (Single) | Universal
Bilstein 33-230306 B8 5125 Universal Road Shock - for 4-5" Travel Stem to Eyelet - (Single) | Universal
Bilstein 33-230306 B8 5125 Universal Road Shock - for 4-5" Travel Stem to Eyelet - (Single) | Universal
Bilstein 33-230306 B8 5125 Universal Road Shock - for 4-5" Travel Stem to Eyelet - (Single) | Universal

Bilstein

Bilstein 33-230306 B8 5125 Universal Road Shock - for 4-5" Travel Stem to Eyelet - (Single) | Universal

SKU: BIL33-230306
$120
Rancho RS999377 Front Suspension Shock - (Single) | 2011-2025 GM Silverado/Sierra 2500HD/3500HD 6.6L Duramax
Rancho RS999377 Front Suspension Shock - (Single) | 2011-2025 GM Silverado/Sierra 2500HD/3500HD 6.6L Duramax
Rancho RS999377 Front Suspension Shock - (Single) | 2011-2025 GM Silverado/Sierra 2500HD/3500HD 6.6L Duramax
Rancho RS999377 Front Suspension Shock - (Single) | 2011-2025 GM Silverado/Sierra 2500HD/3500HD 6.6L Duramax

Rancho

Rancho RS999377 Front Suspension Shock - (Single) | 2011-2025 GM Silverado/Sierra 2500HD/3500HD 6.6L Duramax

SKU: ROSRS999377
$125.12
Cognito 210-90211 Fox 2.0 PSMT Front Shock | 2011-2019 GM Silverado/Sierra 2500HD/3500HD
Cognito 210-90211 Fox 2.0 PSMT Front Shock | 2011-2019 GM Silverado/Sierra 2500HD/3500HD

Cognito

Cognito 210-90211 Fox 2.0 PSMT Front Shock | 2011-2019 GM Silverado/Sierra 2500HD/3500HD

SKU: COG210-90211
$199.95
FOX 987-24-031 2.5 Performance IFP HTO Front Shock - for 1.5-3.5" Lift - (Single) | 2011-2019 GM Sierra/Silverado 2500HD/3500HD
IN STOCK
FOX 987-24-031 2.5 Performance IFP HTO Front Shock - for 1.5-3.5" Lift - (Single) | 2011-2019 GM Sierra/Silverado 2500HD/3500HD
FOX 987-24-031 2.5 Performance IFP HTO Front Shock - for 1.5-3.5" Lift - (Single) | 2011-2019 GM Sierra/Silverado 2500HD/3500HD
FOX 987-24-031 2.5 Performance IFP HTO Front Shock - for 1.5-3.5" Lift - (Single) | 2011-2019 GM Sierra/Silverado 2500HD/3500HD
FOX 987-24-031 2.5 Performance IFP HTO Front Shock - for 1.5-3.5" Lift - (Single) | 2011-2019 GM Sierra/Silverado 2500HD/3500HD
FOX 987-24-031 2.5 Performance IFP HTO Front Shock - for 1.5-3.5" Lift - (Single) | 2011-2019 GM Sierra/Silverado 2500HD/3500HD

Fox Shocks

FOX 987-24-031 2.5 Performance IFP HTO Front Shock - for 1.5-3.5" Lift - (Single) | 2011-2019 GM Sierra/Silverado 2500HD/3500HD

SKU: FOX987-24-031
$346.95
Timbren GMFK25D SES Front Suspension Enhancement | 2011-2025 GM Silverado/Sierra 2500HD/3500HD
Timbren GMFK25D SES Front Suspension Enhancement | 2011-2025 GM Silverado/Sierra 2500HD/3500HD
Timbren GMFK25D SES Front Suspension Enhancement | 2011-2025 GM Silverado/Sierra 2500HD/3500HD
Timbren GMFK25D SES Front Suspension Enhancement | 2011-2025 GM Silverado/Sierra 2500HD/3500HD

Timbren

Timbren GMFK25D SES Front Suspension Enhancement | 2011-2025 GM Silverado/Sierra 2500HD/3500HD

SKU: TIMGMFK25D
$269.36
ICON 614555 Large Taper Delta Joint Kit | 2001-2026 GM Silverado/Sierra 2500HD/3500HD
IN STOCK
ICON 614555 Large Taper Delta Joint Kit | 2001-2026 GM Silverado/Sierra 2500HD/3500HD
ICON 614555 Large Taper Delta Joint Kit | 2001-2026 GM Silverado/Sierra 2500HD/3500HD
ICON 614555 Large Taper Delta Joint Kit | 2001-2026 GM Silverado/Sierra 2500HD/3500HD
ICON 614555 Large Taper Delta Joint Kit | 2001-2026 GM Silverado/Sierra 2500HD/3500HD

Icon Vehicle Dynamics

ICON 614555 Large Taper Delta Joint Kit | 2001-2026 GM Silverado/Sierra 2500HD/3500HD

SKU: IVD614555
$292.07
Cognito 210-90468 4 Degree Rear Pinion Angle Shim Kit | 1999-2018 GM Silverado/Sierra 2500HD/3500HD w/ 4–6" Inch Rear Lifts
Cognito 210-90468 4 Degree Rear Pinion Angle Shim Kit | 1999-2018 GM Silverado/Sierra 2500HD/3500HD w/ 4–6" Inch Rear Lifts

Cognito

Cognito 210-90468 4 Degree Rear Pinion Angle Shim Kit | 1999-2018 GM Silverado/Sierra 2500HD/3500HD w/ 4–6" Inch Rear Lifts

SKU: COG210-90468
$69.95

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2017-2019 GM Duramax 6.6L L5P Suspension Upgrades can do wonders for the performance of your GM Duramax 6.6L L5P, especially when it comes to handling the untamed wild. Everything from better ground clearance, to improved handling, longer wheel travel, increased load capacity, better ride comfort, and much more. Suspension components like shocks, springs, and sway bars can be what takes your Sierra/Silverado to the next level of off-road capability. There is no telling where you will be able to go once you equip your truck with the best suspension upgrades in the industry from Alligator Performance. GM Duramax Fitments: 2017, 2018, and 2019 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>2017-2019 6.6L L5P
Leveling Kits
Lift Kits
Control Arms
Steering Components
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