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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Kryptonite 11KDG018 Death Grip Idler Arm | 2011-2025 GM Silverado/Sierra 2500HD/3500HD
Kryptonite 11KDG018 Death Grip Idler Arm | 2011-2025 GM Silverado/Sierra 2500HD/3500HD
Kryptonite 11KDG018 Death Grip Idler Arm | 2011-2025 GM Silverado/Sierra 2500HD/3500HD
Kryptonite 11KDG018 Death Grip Idler Arm | 2011-2025 GM Silverado/Sierra 2500HD/3500HD
Kryptonite 11KDG018 Death Grip Idler Arm | 2011-2025 GM Silverado/Sierra 2500HD/3500HD
Kryptonite 11KDG018 Death Grip Idler Arm | 2011-2025 GM Silverado/Sierra 2500HD/3500HD

Kryptonite

Kryptonite 11KDG018 Death Grip Idler Arm | 2011-2025 GM Silverado/Sierra 2500HD/3500HD

SKU: KRP11KDG018
$284.99
Cognito 199-91320 Alpha Ball Joint for Cognito Upper Control Arms | 1999-2018 GM Silverado/Sierra 1500
IN STOCK
Cognito 199-91320 Alpha Ball Joint for Cognito Upper Control Arms | 1999-2018 GM Silverado/Sierra 1500
Cognito 199-91320 Alpha Ball Joint for Cognito Upper Control Arms | 1999-2018 GM Silverado/Sierra 1500

Cognito

Cognito 199-91320 Alpha Ball Joint for Cognito Upper Control Arms | 1999-2018 GM Silverado/Sierra 1500

SKU: COG199-91320
$94.95
King 25001-303A 2.5" Rear Shocks - (Pair) | 2011-2026 GM Sierra/Silverado 2500HD/3500HD
IN STOCK
King 25001-303A 2.5" Rear Shocks - (Pair) | 2011-2026 GM Sierra/Silverado 2500HD/3500HD
King 25001-303A 2.5" Rear Shocks - (Pair) | 2011-2026 GM Sierra/Silverado 2500HD/3500HD
King 25001-303A 2.5" Rear Shocks - (Pair) | 2011-2026 GM Sierra/Silverado 2500HD/3500HD
King 25001-303A 2.5" Rear Shocks - (Pair) | 2011-2026 GM Sierra/Silverado 2500HD/3500HD

King Off-Road

King 25001-303A 2.5" Rear Shocks - (Pair) | 2011-2026 GM Sierra/Silverado 2500HD/3500HD

SKU: KNG25001-303A
$1,439.25
PPE 158040111 Forged Idler Pivot Assembly | 2011-2022 GM Silverado/Sierra 2500HD/3500HD
IN STOCK
PPE 158040111 Forged Idler Pivot Assembly | 2011-2022 GM Silverado/Sierra 2500HD/3500HD
PPE 158040111 Forged Idler Pivot Assembly | 2011-2022 GM Silverado/Sierra 2500HD/3500HD

PPE

PPE 158040111 Forged Idler Pivot Assembly | 2011-2022 GM Silverado/Sierra 2500HD/3500HD

SKU: PPE158040111
$179.99
$224.99
SAVE $45
Kryptonite 11KL78 Replacement Outer Tie Rod End - 7/8 Shank | 2011-2025 GM Silverado/Sierra 2500HD/3500HD 6.6L Duramax
Kryptonite 11KL78 Replacement Outer Tie Rod End - 7/8 Shank | 2011-2025 GM Silverado/Sierra 2500HD/3500HD 6.6L Duramax
Kryptonite 11KL78 Replacement Outer Tie Rod End - 7/8 Shank | 2011-2025 GM Silverado/Sierra 2500HD/3500HD 6.6L Duramax
Kryptonite 11KL78 Replacement Outer Tie Rod End - 7/8 Shank | 2011-2025 GM Silverado/Sierra 2500HD/3500HD 6.6L Duramax
Kryptonite 11KL78 Replacement Outer Tie Rod End - 7/8 Shank | 2011-2025 GM Silverado/Sierra 2500HD/3500HD 6.6L Duramax
Kryptonite 11KL78 Replacement Outer Tie Rod End - 7/8 Shank | 2011-2025 GM Silverado/Sierra 2500HD/3500HD 6.6L Duramax

Kryptonite

Kryptonite 11KL78 Replacement Outer Tie Rod End - 7/8 Shank | 2011-2025 GM Silverado/Sierra 2500HD/3500HD 6.6L Duramax

SKU: KRP11KL78
$56.99
Kryptonite KRSE11 Shock Extension Kit | 2011-2025 GM Silverado/Sierra 2500HD/3500HD
Kryptonite KRSE11 Shock Extension Kit | 2011-2025 GM Silverado/Sierra 2500HD/3500HD
Kryptonite KRSE11 Shock Extension Kit | 2011-2025 GM Silverado/Sierra 2500HD/3500HD

Kryptonite

Kryptonite KRSE11 Shock Extension Kit | 2011-2025 GM Silverado/Sierra 2500HD/3500HD

SKU: KRPKRSE11
$85.49
FOX 980-24-659 2.0 Performance IFP Rear Shock - for 4-6" Lift - (Single) | 2001-2019 GM Silverado/Sierra 2500HD/3500HD
IN STOCK
FOX 980-24-659 2.0 Performance IFP Rear Shock - for 4-6" Lift - (Single) | 2001-2019 GM Silverado/Sierra 2500HD/3500HD
FOX 980-24-659 2.0 Performance IFP Rear Shock - for 4-6" Lift - (Single) | 2001-2019 GM Silverado/Sierra 2500HD/3500HD
FOX 980-24-659 2.0 Performance IFP Rear Shock - for 4-6" Lift - (Single) | 2001-2019 GM Silverado/Sierra 2500HD/3500HD
FOX 980-24-659 2.0 Performance IFP Rear Shock - for 4-6" Lift - (Single) | 2001-2019 GM Silverado/Sierra 2500HD/3500HD
FOX 980-24-659 2.0 Performance IFP Rear Shock - for 4-6" Lift - (Single) | 2001-2019 GM Silverado/Sierra 2500HD/3500HD

Fox Shocks

FOX 980-24-659 2.0 Performance IFP Rear Shock - for 4-6" Lift - (Single) | 2001-2019 GM Silverado/Sierra 2500HD/3500HD

SKU: FOX980-24-659
$239.95
Kryptonite KRCLP11 SS Series Centerlink & Tie Rod Package | 2011-2025 GM Silverado/Sierra 2500HD/3500HD Duramax
Kryptonite KRCLP11 SS Series Centerlink & Tie Rod Package | 2011-2025 GM Silverado/Sierra 2500HD/3500HD Duramax
Kryptonite KRCLP11 SS Series Centerlink & Tie Rod Package | 2011-2025 GM Silverado/Sierra 2500HD/3500HD Duramax
Kryptonite KRCLP11 SS Series Centerlink & Tie Rod Package | 2011-2025 GM Silverado/Sierra 2500HD/3500HD Duramax
Kryptonite KRCLP11 SS Series Centerlink & Tie Rod Package | 2011-2025 GM Silverado/Sierra 2500HD/3500HD Duramax

Kryptonite

Kryptonite KRCLP11 SS Series Centerlink & Tie Rod Package | 2011-2025 GM Silverado/Sierra 2500HD/3500HD Duramax

SKU: KRPKRCLP11
$759.99
Kryptonite KR280 Death Grip Idler Arm Support Kit | 2011-2025 GM Silverado/Sierra 2500HD/3500HD
Kryptonite KR280 Death Grip Idler Arm Support Kit | 2011-2025 GM Silverado/Sierra 2500HD/3500HD
Kryptonite KR280 Death Grip Idler Arm Support Kit | 2011-2025 GM Silverado/Sierra 2500HD/3500HD
Kryptonite KR280 Death Grip Idler Arm Support Kit | 2011-2025 GM Silverado/Sierra 2500HD/3500HD
Kryptonite KR280 Death Grip Idler Arm Support Kit | 2011-2025 GM Silverado/Sierra 2500HD/3500HD

Kryptonite

Kryptonite KR280 Death Grip Idler Arm Support Kit | 2011-2025 GM Silverado/Sierra 2500HD/3500HD

SKU: KRPKR280
$227.99
Kryptonite KRTR11-FT Fabtech Lifted Death Grip Tie Rods | 2011-2019 GM Silverado/Sierra 2500HD/3500HD 6.6L Duramax
IN STOCK
Kryptonite KRTR11-FT Fabtech Lifted Death Grip Tie Rods | 2011-2019 GM Silverado/Sierra 2500HD/3500HD 6.6L Duramax
Kryptonite KRTR11-FT Fabtech Lifted Death Grip Tie Rods | 2011-2019 GM Silverado/Sierra 2500HD/3500HD 6.6L Duramax
Kryptonite KRTR11-FT Fabtech Lifted Death Grip Tie Rods | 2011-2019 GM Silverado/Sierra 2500HD/3500HD 6.6L Duramax
Kryptonite KRTR11-FT Fabtech Lifted Death Grip Tie Rods | 2011-2019 GM Silverado/Sierra 2500HD/3500HD 6.6L Duramax

Kryptonite

Kryptonite KRTR11-FT Fabtech Lifted Death Grip Tie Rods | 2011-2019 GM Silverado/Sierra 2500HD/3500HD 6.6L Duramax

SKU: KRPKRTR11-FT
$360.99
Kryptonite KR302 Wheel Bearing | 2011-2019 GM Silverado/Sierra 2500HD/3500HD 6.6L Duramax Dually 4WD
Kryptonite KR302 Wheel Bearing | 2011-2019 GM Silverado/Sierra 2500HD/3500HD 6.6L Duramax Dually 4WD
Kryptonite KR302 Wheel Bearing | 2011-2019 GM Silverado/Sierra 2500HD/3500HD 6.6L Duramax Dually 4WD
Kryptonite KR302 Wheel Bearing | 2011-2019 GM Silverado/Sierra 2500HD/3500HD 6.6L Duramax Dually 4WD
Kryptonite KR302 Wheel Bearing | 2011-2019 GM Silverado/Sierra 2500HD/3500HD 6.6L Duramax Dually 4WD

Kryptonite

Kryptonite KR302 Wheel Bearing | 2011-2019 GM Silverado/Sierra 2500HD/3500HD 6.6L Duramax Dually 4WD

SKU: KRPKR302
$284.99
Cognito 110-91071 Ball Joint SM Series Upper Control Arm Kit | 2011-2019 GM Silverado/Sierra 2500HD/3500HD
IN STOCK
Cognito 110-91071 Ball Joint SM Series Upper Control Arm Kit | 2011-2019 GM Silverado/Sierra 2500HD/3500HD
Cognito 110-91071 Ball Joint SM Series Upper Control Arm Kit | 2011-2019 GM Silverado/Sierra 2500HD/3500HD

Cognito

Cognito 110-91071 Ball Joint SM Series Upper Control Arm Kit | 2011-2019 GM Silverado/Sierra 2500HD/3500HD

SKU: COG110-91071
$699.98
Kryptonite KR1025 Wheel Bearing Spindle Bolt | 2011-2025 GM Silverado/Sierra 2500HD/3500HD
Kryptonite KR1025 Wheel Bearing Spindle Bolt | 2011-2025 GM Silverado/Sierra 2500HD/3500HD
Kryptonite KR1025 Wheel Bearing Spindle Bolt | 2011-2025 GM Silverado/Sierra 2500HD/3500HD

Kryptonite

Kryptonite KR1025 Wheel Bearing Spindle Bolt | 2011-2025 GM Silverado/Sierra 2500HD/3500HD

SKU: KRPKR1025
$9.49
Sulastic SA-06 Shackle Kit | 2011-2018 GM Silverado/Sierra 2500HD/3500HD
Sulastic SA-06 Shackle Kit | 2011-2018 GM Silverado/Sierra 2500HD/3500HD

Sulastic

Sulastic SA-06 Shackle Kit | 2011-2018 GM Silverado/Sierra 2500HD/3500HD

SKU: SHKSA-06
$530
FOX 980-24-664 2.0 Performance IFP Rear Shock - for 0-1" Lift - (Single) | 2001-2019 GM Silverado/Sierra 2500HD/3500HD
IN STOCK
FOX 980-24-664 2.0 Performance IFP Rear Shock - for 0-1" Lift - (Single) | 2001-2019 GM Silverado/Sierra 2500HD/3500HD
FOX 980-24-664 2.0 Performance IFP Rear Shock - for 0-1" Lift - (Single) | 2001-2019 GM Silverado/Sierra 2500HD/3500HD
FOX 980-24-664 2.0 Performance IFP Rear Shock - for 0-1" Lift - (Single) | 2001-2019 GM Silverado/Sierra 2500HD/3500HD
FOX 980-24-664 2.0 Performance IFP Rear Shock - for 0-1" Lift - (Single) | 2001-2019 GM Silverado/Sierra 2500HD/3500HD
FOX 980-24-664 2.0 Performance IFP Rear Shock - for 0-1" Lift - (Single) | 2001-2019 GM Silverado/Sierra 2500HD/3500HD

Fox Shocks

FOX 980-24-664 2.0 Performance IFP Rear Shock - for 0-1" Lift - (Single) | 2001-2019 GM Silverado/Sierra 2500HD/3500HD

SKU: FOX980-24-664
$239.95
Bilstein 33-104652 B8 5125 Rear Shock - for 10-11" Travel Eyelet to Eyelet - (Single) | Universal
IN STOCK
Bilstein 33-104652 B8 5125 Rear Shock - for 10-11" Travel Eyelet to Eyelet - (Single) | Universal
Bilstein 33-104652 B8 5125 Rear Shock - for 10-11" Travel Eyelet to Eyelet - (Single) | Universal
Bilstein 33-104652 B8 5125 Rear Shock - for 10-11" Travel Eyelet to Eyelet - (Single) | Universal
Bilstein 33-104652 B8 5125 Rear Shock - for 10-11" Travel Eyelet to Eyelet - (Single) | Universal

Bilstein

Bilstein 33-104652 B8 5125 Rear Shock - for 10-11" Travel Eyelet to Eyelet - (Single) | Universal

SKU: BIL33-104652
$120
Cognito 510-90935 Steering Stabilizer Relocation Kit | 2011-2019 GM Silverado/Sierra 2500HD/3500HD
IN STOCK
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
FOX 980-24-956 2.0 Performance Reservoir Rear Shock - for 4-6" Lift - (Single) | 2001-2019 GM Silverado/Sierra 2500HD/3500HD
IN STOCK
FOX 980-24-956 2.0 Performance Reservoir Rear Shock - for 4-6" Lift - (Single) | 2001-2019 GM Silverado/Sierra 2500HD/3500HD
FOX 980-24-956 2.0 Performance Reservoir Rear Shock - for 4-6" Lift - (Single) | 2001-2019 GM Silverado/Sierra 2500HD/3500HD
FOX 980-24-956 2.0 Performance Reservoir Rear Shock - for 4-6" Lift - (Single) | 2001-2019 GM Silverado/Sierra 2500HD/3500HD
FOX 980-24-956 2.0 Performance Reservoir Rear Shock - for 4-6" Lift - (Single) | 2001-2019 GM Silverado/Sierra 2500HD/3500HD
FOX 980-24-956 2.0 Performance Reservoir Rear Shock - for 4-6" Lift - (Single) | 2001-2019 GM Silverado/Sierra 2500HD/3500HD

Fox Shocks

FOX 980-24-956 2.0 Performance Reservoir Rear Shock - for 4-6" Lift - (Single) | 2001-2019 GM Silverado/Sierra 2500HD/3500HD

SKU: FOX980-24-956
$375.95
King 25001-302A-EXT2 Extended Travel 2.5" Front Shocks - for 2-3" Lift - (Pair) | 2011-2026 GM Sierra/Silverado 2500HD/3500HD
King 25001-302A-EXT2 Extended Travel 2.5" Front Shocks - for 2-3" Lift - (Pair) | 2011-2026 GM Sierra/Silverado 2500HD/3500HD
King 25001-302A-EXT2 Extended Travel 2.5" Front Shocks - for 2-3" Lift - (Pair) | 2011-2026 GM Sierra/Silverado 2500HD/3500HD
King 25001-302A-EXT2 Extended Travel 2.5" Front Shocks - for 2-3" Lift - (Pair) | 2011-2026 GM Sierra/Silverado 2500HD/3500HD
King 25001-302A-EXT2 Extended Travel 2.5" Front Shocks - for 2-3" Lift - (Pair) | 2011-2026 GM Sierra/Silverado 2500HD/3500HD

King Off-Road

King 25001-302A-EXT2 Extended Travel 2.5" Front Shocks - for 2-3" Lift - (Pair) | 2011-2026 GM Sierra/Silverado 2500HD/3500HD

SKU: KNG25001-302A-EXT2
$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
IN STOCK
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
$359.95
ReadyLift 66-3122 OEM Style 2" inch Rear Block Kit | 2011-2024 GM Silverado/Sierra 2500HD/3500HD
ReadyLift 66-3122 OEM Style 2" inch Rear Block Kit | 2011-2024 GM Silverado/Sierra 2500HD/3500HD

ReadyLift Suspension

ReadyLift 66-3122 OEM Style 2" inch Rear Block Kit | 2011-2024 GM Silverado/Sierra 2500HD/3500HD

SKU: RLS66-3122
$169.95
USA Standard ZSG7675 Power Steering Box | 2011-2021 GM Silverado/Sierra 2500HD/3500HD
IN STOCK
USA Standard ZSG7675 Power Steering Box | 2011-2021 GM Silverado/Sierra 2500HD/3500HD
USA Standard ZSG7675 Power Steering Box | 2011-2021 GM Silverado/Sierra 2500HD/3500HD

USA Standard Gear

USA Standard ZSG7675 Power Steering Box | 2011-2021 GM Silverado/Sierra 2500HD/3500HD

SKU: USAZSG7675
$466.37
Cognito 210-90775 Supersteer Idler Arm Support | 2011-2024 GM Silverado/Sierra 2500HD/3500HD
Cognito 210-90775 Supersteer Idler Arm Support | 2011-2024 GM Silverado/Sierra 2500HD/3500HD

Cognito

Cognito 210-90775 Supersteer Idler Arm Support | 2011-2024 GM Silverado/Sierra 2500HD/3500HD

SKU: COG210-90775
$267.45
Kryptonite KR11STAGE1 2" inch Stage 1 Leveling Kit | 2011-2019 GM Silverado/Sierra 2500HD/3500HD
Kryptonite KR11STAGE1 2" inch Stage 1 Leveling Kit | 2011-2019 GM Silverado/Sierra 2500HD/3500HD

Kryptonite

Kryptonite KR11STAGE1 2" inch Stage 1 Leveling Kit | 2011-2019 GM Silverado/Sierra 2500HD/3500HD

SKU: KRPKR11STAGE1
$161.49

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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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