2021 GMC Sierra 1500 Suspension Parts

Essential 2021 GMC Sierra 1500 Suspension Parts

Monroe – Load Adjusting Suspension Shock Absorber and Coil Spring Assembly Pack of 2 (Part No.58654)

Load Adjusting Suspension Shock Absorber and Coil Spring Assembly Pack of 2

from

$195.99
Product Features:
  • REDUCES SAG UNDER LOAD — Ideal for occasionally hauling or towing varying loads; heavy gauge, calibrated coil spring reduces sag when loaded up to 1,200 lbs. (capacity limited by suspension, tires and transmission; see owner’s manual)
  • EXCEPTIONAL HANDLING — Tuned specifically for each application, full-displaced valving automatically adjusts to road extremes to provide ride consistency
  • CONSISTENT RIDE — OE all-weather fluid contains special modifiers to handle extreme temperatures and PTFE-banded piston helps reduce friction between the piston and pressure tube to enhance responsiveness to changing road surfaces
  • LONGER SERVICE LIFE — Self-lubricating fluid seal retains gas and reduces excessive friction against the piston rod to help reduce premature wear while heavy-duty nitrocarburized rod delivers long life
  • IMPROVES PERFORMANCE — Nitrogen gas-charge maintains tire-to-road contact for improved ride and handling by reducing aeration and shock fade
  • Nitrogen Gas Charged: For Improved Ride & Handling, Helps Maintain Tire To Road Contact By Reducing Aeration – On Most Applications
  • 5/8 nitrocarburized rod for long service life.
  • Special Seal: ‘Self-lubricating’ fluid seal designed to retain gas without excessive wear or friction.
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Monroe – Load Adjusting Shock Absorber (Part No.58637)

Load Adjusting Shock Absorber

from

$190.99
Ideal for light trucks that that tow or carry varying loads, Monroe load adjusting shocks include a heavy gauge calibrated spring that adjusts to road and weight conditions to provide extra control when operating conditions get more demanding.

Product Features:
  • REDUCES SAG UNDER LOAD — Ideal for occasionally hauling or towing varying loads, heavy gauge, calibrated coil spring reduces sag when loaded up to 1,200 lbs. (capacity limited by suspension, tires and transmission, see owner’s manual)
  • EXCEPTIONAL HANDLING — Tuned specifically for each application, full-displaced valving automatically adjusts to road extremes to provide ride consistency
  • CONSISTENT RIDE — OE all-weather fluid contains special modifiers to handle extreme temperatures and PTFE-banded piston helps reduce friction between the piston and pressure tube to enhance responsiveness to changing road surfaces
  • LONGER SERVICE LIFE — Self-lubricating fluid seal retains gas and reduces excessive friction against the piston rod to help reduce premature wear while heavy-duty nitrocarburized rod delivers long life
  • IMPROVES PERFORMANCE — Nitrogen gas-charge maintains tire-to-road contact for improved ride and handling by reducing aeration and shock fade
  • Nitrogen Gas Charged: For Improved Ride & Handling, Helps Maintain Tire To Road Contact By Reducing Aeration – On Most Applications
  • 5/8 nitrocarburized rod for long service life.
  • Special Seal: ‘Self-lubricating’ fluid seal designed to retain gas without excessive wear or friction.
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Monroe – Max-Air Air Shock Absorber (Part No.MA828)

Max-Air Air Shock Absorber

from

$134.99
Ideal for hauling, Monroe® Max-Air® shock absorbers can be inflated or deflated up to 150 PSI to maintain level height with additional weight up to 1,200 lbs. (capacity is limited by vehicle suspension, tires and transmission. See vehicle owner’s manual.)

Product Features:
  • MAINTAIN RIDE HEIGHT UNDER LOAD — Air chamber can be inflated or deflated up to 150 PSI to maintain level height with additional weight up to 1,200 lbs. (capacity is limited by suspension, tires and transmission, see owner’s manual)
  • EASY TO ADJUST — Special air fitting resists air leakage and ties into factory system (where applicable) or manually inflates with an air compressor, pair with Monroe air shock accessory and shock air hose AK kits (varies by application)
  • EXCEPTIONAL HANDLING — Full-displaced valving on compression and extension cycles for a smooth ride
  • BUILT TO LAST — Hardened and precision ground piston rod for consistent performance, sintered iron piston for enhanced durability and longer service life and lubricated air sleeve reduces friction for smooth operation
  • CONSISTENT RIDE — OE all-weather fluid contains special modifiers to handle extreme temperatures and help reduce friction and ensure smooth rod reaction
  • Sintered Iron Piston: Stronger than traditional metals, enhances durability for longer service life.
  • Special Air Fitting: Resists air leakage.
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Monroe – Max-Air Air Shock Absorber (Part No.MA834)

Max-Air Air Shock Absorber

from

$114.99
Ideal for hauling, Monroe® Max-Air® shock absorbers can be inflated or deflated up to 150 PSI to maintain level height with additional weight up to 1,200 lbs. (capacity is limited by vehicle suspension, tires and transmission. See vehicle owner’s manual.)

Product Features:
  • MAINTAIN RIDE HEIGHT UNDER LOAD — Air chamber can be inflated or deflated up to 150 PSI to maintain level height with additional weight up to 1,200 lbs. (capacity is limited by suspension, tires and transmission, see owner’s manual)
  • EASY TO ADJUST — Special air fitting resists air leakage and ties into factory system (where applicable) or manually inflates with an air compressor, pair with Monroe air shock accessory and shock air hose AK kits (varies by application)
  • EXCEPTIONAL HANDLING — Full-displaced valving on compression and extension cycles for a smooth ride
  • BUILT TO LAST — Hardened and precision ground piston rod for consistent performance, sintered iron piston for enhanced durability and longer service life and lubricated air sleeve reduces friction for smooth operation
  • CONSISTENT RIDE — OE all-weather fluid contains special modifiers to handle extreme temperatures and help reduce friction and ensure smooth rod reaction
  • Sintered Iron Piston: Stronger than traditional metals, enhances durability for longer service life.
  • Special Air Fitting: Resists air leakage.
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Rancho – Rancho Susp Systm (Part No.RS66311R9-3)

Rancho Susp Systm

from

$488.99
Give your Chevy® Silverado or GMC® Sierra 1500 an aggressive stance with the Rancho® 3-in. suspension system. It features upper control arms with preinstalled ball joints and Rancho RS9000®XL shocks and struts that allow customized damping control.

Product Features:
  • ORDERING INFO — Box 3 of 3 for master kit RS66311R9, must order RS66311R9-1, RS66311R9-2 and RS66311R9-3 for a complete kit
  • COMPATIBILITY — Designed for Chevrolet Silverado 1500 (excludes Trail Boss) and GMC Sierra 1500 trucks (excludes AT4)
  • LIFTS AND LEVELS VEHICLE — Fits up to 33-in. tires, system lifts front by 3-in. while rear blocks raise the back an additional 1.5-in. to level the truck (trimming required for 33-in. tires, bumpers, winches, etc. affect height)
  • COMPLETE SOLUTION — Includes Rancho RS9000®XL struts and rear shocks, upper control arms with ball joints, rear block kit, sway bar spacers and mounting hardware
  • NINE LEVELS OF ADJUSTMENT — Rancho RS9000®XL shocks and struts feature nine-position knob for customized damping control and firmness for on-road and off-road flexibility
  • BUILT TO PERFORM — Control arms keep the preinstalled ball joints in their normal operating range, provide additional caster to aid in alignment and add wheel travel
  • ENGINEERED TO LAST — Brackets fabricated from high-strength, low-alloy steel for long life while control arms feature durable OE-style rubber bushings and ball joints for easy maintenance and quiet operation
  • EASY TO INSTALL — Bolt-on installation for an easy upgrade
  • NOTES — Maintains OE alignment specs and won’t affect electronic stability system, allows the use of OE wheels/tires, must use OE springs and top mounting components (tire size varies between manufacturers)
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Rancho – Rancho Susp Systm (Part No.RS66311R9-2)

Rancho Susp Systm

from

$511.99
Give your Chevy® Silverado or GMC® Sierra 1500 an aggressive stance with the Rancho® 3-in. suspension system. It features upper control arms with preinstalled ball joints and Rancho RS9000®XL shocks and struts that allow customized damping control.

Product Features:
  • ORDERING INFO — Box 2 of 3 for master kit RS66311R9, must order RS66311R9-1, RS66311R9-2 and RS66311R9-3 for a complete kit
  • COMPATIBILITY — Designed for Chevrolet Silverado 1500 (excludes Trail Boss) and GMC Sierra 1500 trucks (excludes AT4)
  • LIFTS AND LEVELS VEHICLE — Fits up to 33-in. tires, system lifts front by 3-in. while rear blocks raise the back an additional 1.5-in. to level the truck (trimming required for 33-in. tires, bumpers, winches, etc. affect height)
  • COMPLETE SOLUTION — Includes Rancho RS9000®XL struts and rear shocks, upper control arms with ball joints, rear block kit, sway bar spacers and mounting hardware
  • NINE LEVELS OF ADJUSTMENT — Rancho RS9000®XL shocks and struts feature nine-position knob for customized damping control and firmness for on-road and off-road flexibility
  • BUILT TO PERFORM — Control arms keep the preinstalled ball joints in their normal operating range, provide additional caster to aid in alignment and add wheel travel
  • ENGINEERED TO LAST — Brackets fabricated from high-strength, low-alloy steel for long life while control arms feature durable OE-style rubber bushings and ball joints for easy maintenance and quiet operation
  • EASY TO INSTALL — Bolt-on installation for an easy upgrade
  • NOTES — Maintains OE alignment specs and won’t affect electronic stability system, allows the use of OE wheels/tires, must use OE springs and top mounting components (tire size varies between manufacturers)
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Rancho – RS5000X Strut (Part No.RS55784)

RS5000X Strut

from

$178.99
Featuring a unique, exclusive valving system and advanced compression functionality, Rancho® RS5000®X struts deliver improved overall on- and off-road handling and performance.

Product Features:
  • IMPROVED HANDLING AND PERFORMANCE — Cross Tuned technology featuring exclusive rebound valving system and advanced compression phase improves overall handling and performance on and off road
  • MINIMIZES ROUGH RIDE — Exclusive Progressive Engagement Valving is custom-tuned for each vehicle to help reduce initial impacts at low speeds and minimizes a rough ride
  • STRONG AND DURABLE — Features a nitro-carburized piston rod to resist scuffs and corrosion, double-welded loops at stress areas and application-specific sintered iron piston for enhanced structural integrity
  • HANDLES EXTREME TEMPERATURE CHANGES — Large twin-tube body filled with all-weather fluid allows for cooler operation, increased vehicle control and ability to withstand internal temperatures of -40 to 248°F
  • SMOOTH PERFORMANCE — Polyurethane rebound bumper and rubber bushings help absorb ride harshness while the fluon-banded piston enhances responsiveness to changing road conditions for an overall smoother ride
  • REDUCES FADE — Nitrogen gas pressurized to 60 PSI to minimize air-to-oil mixture to reduce damping performance fade and foaming
  • MAINTAINS VEHICLE CONTROL — Compression Control Valve is custom-tuned for each vehicle to regulate fluid transfer to absorb impacts without disc flutter and help maintain shock motion control
  • BUILT TO LAST — Low-friction, self-lubricating seal retains gas and oil for quicker rebound and smoother compression while the application-specific piston delivers heightened control of shock motion due to the expanded piston area
  • Rebound Bumper
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Skyjacker – Nitro Shock W/Red Boot (Part No.N8036)

Nitro Shock W/Red Boot

from

$69.99
NITRO N8000 series shocks are recommended for full size vehicles and moderate to extreme off-road applications. Skyjacker(R) nitro shocks, Skyjacker(R) suspensions offers you a high quality shock absorber with true velocity sensitive valving. Shock absorbers, or spring dampers as it is called everywhere else except in the U.S, control the rate at which suspension springs compress and rebound. As the shock is pushed together, this is called bump or compression. As the shock expands, this is called rebound or extension. Absorbing the shock of bumps and suspension loading is actually performed by the springs in the suspension. The shock real job is controlling the energy stored in the springs. The performance specific internal components of Skyjacker shocks respond to the on- and off-road conditions instantly. Whether you are going over rough or smooth terrain at slow or fast speeds, the true velocity sensitive valving produces a stable, controlled level of resistance for better handling, improved stability, and maximum comfort. The technological innovations of these durable, long lasting shocks from Skyjacker(R) deliver a noticeable advantage over the original equipment and other shock dampeners. Skyjacker shock absorbers deliver a safe, comfortable ride with improved handling and stability. They keep the tires in contact with the terrain and put you in control of the road ahead

Product Features:
  • 150 PSI Pressurized Nitrogen Gas
  • Multi Stage Velocity Sensitive Valving
  • Twin Tube Construction. DOM Tubing Reduces Internal Wear For Longer Product Life
  • Bonded Iron Piston For Durability And Longer Shock Life
  • Chromed Piston Rod Features Micro Polished Shaft For Improved Product Life And Performance
  • Orifice Disk For Axle Control In Any Condition
  • Red Polyurethane Bushings
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Rancho – Loaded quickLIFT Complete Strut Assembly (Part No.RS999949)

Loaded quickLIFT Complete Strut Assembly

from

$352.99
An all-in-one solution, Rancho® quickLIFT® loaded assemblies level and lift late model trucks and SUVs. This complete assembly simplifies installation, levels the front suspension and provides additional lift to accommodate larger wheels and tires.

Product Features:
  • COMPLETE SOLUTION — Levels and lifts late model trucks and SUVs without the cost of complete suspension system
  • EASY BOLT-ON INSTALLATION — Complete assembly includes application-specific coil spring and upper mounting plate to simplify installation
  • LEVELS FRONT SUSPENSION — Removes factory rake for an aggressive stance
  • INCREASED GROUND CLEARANCE — Provides 1-in. to 2.5-in. of additional lift to accommodate up to 35-in. tires for a custom look and increased ground clearance (tire size varies by manufacturer, bumpers, winches, etc. affect lift height)
  • NINE LEVELS OF PERFORMANCE — Includes RS9000®XL strut with nine-position easy-to-adjust knob to allow customized damping control and firmness for on-road and off-road flexibility
  • BUILT TO LAST — Low-friction, self-lubricating seal retains gas and oil for quicker rebound and smoother compression while long-lasting premium liquid metallic finish ensures long life
  • REDUCES FADE — Nitrogen gas pressurized to 100 PSI to minimize air-to-oil mixture and reduce damping performance fade and foaming
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Dorman – Loaded Magnetic Strut Assembly, Front, With Steel Spring: OE Fix (Part No.949-730)

Loaded Magnetic Strut Assembly, Front, With Steel Spring: OE Fix

from

$913.99
This ready-to-install strut and coil spring assembly is pre-constructed with components that match the fit and function of the factory hardware on specified years, makes and models.

Product Features:
  • Saves time – this magnetic strut assembly includes a new pre-assembled spring and strut and ready to install without a spring compressor, saving up to an hour of labor per side
  • Safer installation – reduces the risk of injury or damage during installation by eliminating the need to use spring compressors
  • Advanced technology – features same magnetic ride control functionality, or magnetorheological dampening, as factory equipment to restore like-new ride feel and performance
  • Increased reliability – includes upgraded seals to help prevent leaks and future repairs
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Firestone Ride-Rite – Heavy Duty Air Helper Springs for Trucks, SUVs, and Vans (Part No.6397)

Heavy Duty Air Helper Springs for Trucks, SUVs, and Vans

from

$202.99
Firestone heavy duty Ride Rite air helper springs are the workhorse of our air helper spring line. The double convoluted air springs offer maximum load support as well as years of worry free service. Ride Rite air helper springs can be installed on most light trucks, motor homes, RVs, SUVs and vans. Ride Rite air helper springs are installed between the frame of the vehicle and the suspension, providing load support through the use of air pressure. Firestone is committed to providing the customer with premium air helper spring kits. Ride Rite air helper springs have become synonymous with quality, durability, and customer support. Each application is specifically designed to maximize the safe load carrying capacity, stability, and ride quality of the vehicle. Ride Rite air helper springs utilize a pair of convoluted air springs which can be adjusted for changing loads. These air springs are capable of 3200 to 5000 Pounds of load leveling capacity. Ride Rite air helper springs enhance the ride by reducing inter leaf friction. Please remember that air springs do not increase the Load Carrying capacity of your vehicle. Ride Rite kits are application specific and are designed for hassle free fitment to the OEM suspension.

Product Features:
  • Keep The Vehicle Level: Improves Steering Control And Braking Effectiveness, Levels Headlight Beams And Reduces Tire Wear
  • Level Off Center Loads, Individual Inflation Valves Allow For Adjustment Side To Side
  • Reduce Suspension Fatigue, Keeps Leaf Springs From Permanent Sagging Under Repeated Or Constant Load
  • Reduce Bottoming Out, Protective Air Cushion Softens Contact Between The Axle And Frame
  • Increase Vehicle Stability, Absorbs Road Shock, Providing Ideal Ride Conditions For Passengers And Load
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Timbren SES – Rubber Spring, Frame Mount, 6,000 Pound Weight Capacity Per Set (Part No.GMRCK25S)

Rubber Spring, Frame Mount, 6,000 Pound Weight Capacity Per Set

from

$306.99
Timbren suspension enhancement system – The decision is easy, Timbren suspension kits (SES kits) are designed to enhance the suspension of your vehicle. Improve load handling haul heavy loads with ease eliminate sag and sway.

Product Features:
  • Eliminate Suspension Sag: When Towing A Heavy Trailer, Timbren SES Extends The Life Of The Suspension Of Your Vehicle And Helps To Avoid Bottoming Out
  • Control Trailer Sway, A Condition Which Occurs With Unbalanced Loads, In Crosswinds Or When Passing Heavy Trucks Timbren SES Stabilizes Your Vehicle
  • Control Body Roll, During Cornering With Powerful Progressive Rate Rubber Springs Which Resist Lean And Enhance Vehicle Stability
  • Improve The Ride, By Allowing The Aeon(R) Rubber Springs Absorb Road Shocks And Bumps. Towing A Trailer Doesnt Have To Mean Poor Ride Quality
  • Economical And Trouble Free
  • Simple And Easy To Install
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Timbren SES – Rubber Spring, Inside Coil Spring Mount, 8,600Lb, Aeon Hollow Rubber (Part No.GMRCK15S)

Rubber Spring, Inside Coil Spring Mount, 8,600Lb, Aeon Hollow Rubber

from

$306.99
Timbren suspension enhancement system – The decision is easy, Timbren suspension kits (SES kits) are designed to enhance the suspension of your vehicle. Improve load handling haul heavy loads with ease eliminate sag and sway.

Product Features:
  • Eliminate Suspension Sag: When Towing A Heavy Trailer, Timbren SES Extends The Life Of The Suspension Of Your Vehicle And Helps To Avoid Bottoming Out
  • Control Trailer Sway, A Condition Which Occurs With Unbalanced Loads, In Crosswinds Or When Passing Heavy Trucks Timbren SES Stabilizes Your Vehicle
  • Control Body Roll, During Cornering With Powerful Progressive Rate Rubber Springs Which Resist Lean And Enhance Vehicle Stability
  • Improve The Ride, By Allowing The Aeon(R) Rubber Springs Absorb Road Shocks And Bumps. Towing A Trailer Doesnt Have To Mean Poor Ride Quality
  • Economical And Trouble Free
  • Simple And Easy To Install
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Firestone Ride-Rite – Air Spring, Frame Mount, Up To 5000 Lb Leveling Capacity, 5 To 100 Psi, Rubber (Part No.2609)

Air Spring, Frame Mount, Up To 5000 Lb Leveling Capacity, 5 To 100 Psi, Rubber

from

$539.99
Count on Firestone Ride Rite for innovation and quality. Proper ground clearance, steering control, braking and avoiding premature tire wear are benefits of air springs.

Product Features:
  • Clears All Common In-Bed Hitches
  • Better Clearance For Over-Sized Tires
  • Protects And Stabilize Loads And Provides More Comfortable Ride
  • More Level Loads: Less Bottoming Out
  • 5,000 Pounds Leveling Capacity
  • Inboard Mounted
  • Typical Installation Is 90 Minutes
  • No Drill Install, Utilizes Existing Frame Holes
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TrailFX – Suspension Lift Kit (Part No.G40SL4)

Suspension Lift Kit

from

$819.99
Looking to add larger tires or add that go anywhere capability and feel? Then look no further than a TrailFX mid lift suspension kit. Increased ground clearance, visibility, and a smoother ride are all benefits of a mid lift suspension kit. Kits contain all required, ready to install components in one box under one part number.

Product Features:
  • Designed For Additional Clearance For Larger Wheel And Tire Combinations
  • All Necessary Components Included In One Box
  • Maintains Factory Ride
  • Shock Replacement Not Required
  • X Guard Plus Powertrain Warranty
  • Limited Lifetime Warranty and Limited 1 Year Warranty On Wearable Components
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TrailFX – Suspension Lift Kit (Part No.G40SL1)

Suspension Lift Kit

from

$969.99
Looking to add larger tires or add that go anywhere capability and feel? Then look no further than a TrailFX mid lift suspension kit. Increased ground clearance, visibility, and a smoother ride are all benefits of a mid lift suspension kit. Kits contain all required, ready to install components in one box under one part number.

Product Features:
  • Designed For Additional Clearance For Larger Wheel And Tire Combinations
  • All Necessary Components Included In One Box
  • Maintains Factory Ride
  • Shock Replacement Not Required
  • X Guard Plus Powertrain Warranty
  • Limited Lifetime Warranty and Limited 1 Year Warranty On Wearable Components
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Valvoline – DEXRON®-VI ATF Full Synthetic Automatic Transmission Fluid, 1 Quart (Part No.822405)

DEXRON®-VI ATF Full Synthetic Automatic Transmission Fluid, 1 Quart

from

$14.49
Valvoline DEXRON®-VI ATF is a full-synthetic transmission fluid formulated with advanced additive technology to meet and exceed the requirements of the General Motors’ DEXRON®-VI specification. It is officially licensed and approved by GM and is fully back-serviceable and can be used wherever DEXRON®-II and/or DEXRON®-III are recommended. Recommended for use in the following applications: DEXRON®-VI, DEXRON®-III, DEXRON®-II, and Allison C-4.

Product Features:
  • Formulated with full-synthetic base stocks and advanced additive technology to meet the challenging demands of automatic transmissions.
  • Enhanced anti-shudder protection for smooth shifting and maximum power transfer
  • Developed with anti-wear technology to help improve transmission durability
  • Engineered with a proprietary blend of base oils and advanced additives to provide better oil flow at low temperatures and greater film protection at higher temperatures
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Valvoline – Transfer Case Fluid, 1 Quart (Part No.855459)

Transfer Case Fluid, 1 Quart

from

$14.99
Valvoline Multi-Vehicle Transfer Case Fluid is a full synthetic product meeting the performance needs for transfer cases recommending Ford XL-12 and GM Auto Trak II specifications or ATF fluids (DEX/MERC, ATF +4, etc).

Product Features:
  • Recommended for use in most Ford, GM and FCA (Dodge, Jeep) models
  • Formulated to help prevent gear wear and protect against rust and corrosion
  • Formulated to deliver enhanced protection against deposits
  • Helps provide better protection during extreme operating conditions
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Royal Purple – Max Performance Synthetic Power Steering Fluid (Part No.01326)

Max Performance Synthetic Power Steering Fluid

from

$6.29
Max Performance Synthetic Power Steering Fluid

aFe POWER – Sway-A-Way Shock Kit (Part No.502-0052-01)

Sway-A-Way Shock Kit

from

$796.99
aFe Control Sway-A-Way High Performance replacement 2.0 in. shock absorbers for the 2007-2014 GM 1500 Trucks and SUVs (non HD) feature all the same race winning engineering components that have set the standard in competition racing for the past 20+ years. This kit offers excellent off road damping without sacrificing any on road comfort or handling. These rear shocks are 100% designed and built in the USA that feature a zinc plated steel cylinder bodies and CNC machined aluminum components. This package is designed as a direct fit application and requires no modifications to the vehicle.

Product Features:
  • CNC Machined Components Made To The Strictest Tolerances
  • Polished Nitro Steel Shaft for Strength And Durability
  • Teflon Lined Steel Spherical Bearings
  • Multi-Seal Carrier To Ensure Zero Leakage
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Rancho – Rancho Cntrl Arm Kt (Part No.RS64302)

Rancho Cntrl Arm Kt

from

$541.99
Rancho® Performance upper control arms enhance the performance and durability of your level or lifted Chevrolet® Silverado/GMC® Sierra 1500 truck. Made of heavy-duty tubing, these control arms keep the ball joint in the proper angle.

Product Features:
  • COMPATIBILITY — Designed for leveled and lifted Chevrolet Silverado 1500 and GMC Sierra 1500 trucks
  • ENHANCES PERFORMANCE — Keeps the ball joint at the proper angle for leveled and lifted applications while providing additional wheel travel and caster for lifted vehicles (with shock upgrade)
  • RESISTS CORROSION — Durable black powder-coat finish resists rust and corrosion
  • ENGINEERED TO LAST — Made of heavy-duty, tubular steel for durability and features OE-style rubber bushings and preinstalled, replaceable ball joints
  • EASY TO INSTALL — Direct fit, bolt-on design includes all hardware for easy installation
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KYB – High Pressure Monotube Gas Shock (Part No.565104)

High Pressure Monotube Gas Shock

from

$123.99
Tough conditions demand tough truck shocks. The large bore KYB MonoMax provides the additional stability that heavier, more powerful or high center of gravity vehicles demand. The KYB MonoMax is a heavy duty monotube shock absorber that provides the most handling, control and durability of any KYB shock; and its just for trucks. The MonoMaxs tough design automatically adjusts to driving conditions with fade-free performance. The KYB MonoMax has an outstanding reputation for vehicles that do real work, go off-road, tow a trailer or haul heavy loads. It uses a work-ready, zinc-coated steel piston ring and includes an off-road dust boot.

Product Features:
  • Maximum Performance Upgrade With Up To 40% More Damping Performance Than Standard Shock Absorbers
  • Perfect Solution When You Need To Upgrade Suspension Performance On Your Gm Truck
  • Truck Monotube Design Outperforms All Other Standard Shock Absorbers
  • Zinc-Coated, Stainless Steel Piston Ring Provides A Positive Seal In The Most Extreme Conditions
  • Rubber Boot To Protect The Shaft And Keep Dirt And Debris Away From The Seals
  • Engineered To Help Vehicles With Electronic Safety Systems (Esc, Abs, Etc.)
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Rancho – RS5000X Shock Absorber (Part No.RS55269)

RS5000X Shock Absorber

from

$82.99
Featuring a unique, exclusive valving system and advanced compression functionality, Rancho® RS5000®X shocks deliver improved overall on- and off-road handling and performance.

Product Features:
  • IMPROVED HANDLING AND PERFORMANCE — Cross Tuned technology featuring exclusive rebound valving system and advanced compression phase improves overall handling and performance on and off road
  • MINIMIZES ROUGH RIDE — Exclusive Progressive Engagement Valving is custom-tuned for each vehicle to help reduce initial impacts at low speeds and minimizes a rough ride
  • STRONG AND DURABLE — Features a 16mm nitro-carburized piston rod to resist scuffs & corrosion, double-welded loops at stress areas, 35mm sintered iron piston for enhanced structural integrity and polyvinyl protective boot
  • HANDLES EXTREME TEMPERATURE CHANGES — Large twin-tube body filled with all-weather fluid allows for cooler operation, increased vehicle control and ability to withstand internal temperatures of -40 to 248°F
  • SMOOTH PERFORMANCE — Polyurethane rebound bumper and rubber bushings help absorb ride harshness while the fluon-banded piston enhances responsiveness to changing road conditions for an overall smoother ride
  • REDUCES FADE — Nitrogen gas pressurized to 150 PSI to minimize air-to-oil mixture to reduce damping performance fade and foaming
  • MAINTAINS VEHICLE CONTROL — Compression Control Valve is custom-tuned for each vehicle to regulate fluid transfer to absorb impacts without disc flutter and help maintain shock motion control
  • BUILT TO LAST — Low-friction, self-lubricating seal retains gas and oil for quicker rebound and smoother compression while the application-specific piston delivers heightened control of shock motion due to the expanded piston area
  • Rebound Bumper
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Suncore – Shock Absorber (Part No.12S251500)

Shock Absorber

from

$34.99
Shock Absorber

Monroe – Gas-Matic Truck Shock Absorber (Part No.59062)

Gas-Matic Truck Shock Absorber

from

$65.99
Monroe® Gas-Matic truck shock absorber are gas charged and provide improved control at an economical price.

Product Features:
  • Available for import and domestic light trucks and vans
  • Gas-charged unit
  • Improved handling and control
  • Economical OE replacement
  • Meets OE product specifications
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Rancho – RS5000X Shock Absorber (Part No.RS55262)

RS5000X Shock Absorber

from

$85.99
Featuring a unique, exclusive valving system and advanced compression functionality, Rancho® RS5000®X shocks deliver improved overall on- and off-road handling and performance.

Product Features:
  • IMPROVED HANDLING AND PERFORMANCE — Cross Tuned technology featuring exclusive rebound valving system and advanced compression phase improves overall handling and performance on and off road
  • MINIMIZES ROUGH RIDE — Exclusive Progressive Engagement Valving is custom-tuned for each vehicle to help reduce initial impacts at low speeds and minimizes a rough ride
  • STRONG AND DURABLE — Features a 16mm nitro-carburized piston rod to resist scuffs & corrosion, double-welded loops at stress areas, 35mm sintered iron piston for enhanced structural integrity and polyvinyl protective boot
  • HANDLES EXTREME TEMPERATURE CHANGES — Large twin-tube body filled with all-weather fluid allows for cooler operation, increased vehicle control and ability to withstand internal temperatures of -40 to 248°F
  • SMOOTH PERFORMANCE — Polyurethane rebound bumper and rubber bushings help absorb ride harshness while the fluon-banded piston enhances responsiveness to changing road conditions for an overall smoother ride
  • REDUCES FADE — Nitrogen gas pressurized to 150 PSI to minimize air-to-oil mixture to reduce damping performance fade and foaming
  • MAINTAINS VEHICLE CONTROL — Compression Control Valve is custom-tuned for each vehicle to regulate fluid transfer to absorb impacts without disc flutter and help maintain shock motion control
  • BUILT TO LAST — Low-friction, self-lubricating seal retains gas and oil for quicker rebound and smoother compression while the application-specific piston delivers heightened control of shock motion due to the expanded piston area
  • Rebound Bumper
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Skyjacker – Hydraulic, Twin Tube, Limited Lifetime Warranty, Non-Adjustable, Single (Part No.B8527)

Hydraulic, Twin Tube, Limited Lifetime Warranty, Non-Adjustable, Single

from

$69.99
The performance specific internal components of Skyjacker shocks respond to the on- and off-road conditions instantly. Whether you are going over rough or smooth terrain at slow or fast speeds, the true velocity sensitive valving produces a stable, controlled level of resistance for better handling, improved stability, and maximum comfort. The technological innovations of these durable, long lasting shocks from Skyjacker(R) deliver a noticeable advantage over the original equipment and other shock dampeners. Skyjacker shock absorbers deliver a safe, comfortable ride with improved handling and stability. They keep the tires in contact with the terrain and put you in control of the road ahead.

Product Features:
  • Twin Tube Construction
  • Advanced Foam-Cell Technology
  • Vehicle Specific Multi-Stage Valving
  • Increased Fluid Capacity For MAX Heat Dissipation
  • 360 Degree Arc-Welded End Mount And 180 Degree Directional Mounting
  • Chrome Plated Shaft And Sintered Iron Piston
  • Comes With Black Boot
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KYB – High Pressure Monotube Gas Shock (Part No.KG54342)

High Pressure Monotube Gas Shock

from

$113.99
The Gas-a-just monotube shock absorber is available as an OE monotube replacement to restore your vehicles original capabilities. The KYB Gas-a-just has two separate working chambers: An air-free hydraulic piston and valve area for responsiveness and con

Product Features:
  • Adds Up To 25% More Damping Performance Over Original Equipment Shocks
  • Components And Valving Designed Specifically For Gm Trucks
  • Gas-A-Just Monotubes Include Additional Damping Over One Design For Vehicles That Work, Tow, And Have Larger, Heavier Tires & Wheels
  • High Pressure Monotube Design Separates The Gas And Oil For Fade Free Operation And Instant Response
  • Fluid Leaking Can Be A Cause Of Shock Failure, The KYB Gas-A-Just Has An Ultra-Smooth Triple Chrome Plated Chrome Piston Rod To Reduce Seal Wear
  • The Higher Gas Pressure Of The KYB Gas-A-Just Responds Quickly To Improve Steering Response
  • Electronic Safety Systems Depend On The Suspension, Brakes And Tires Operating As The Vehicle Manufacturer Intended. The KYB Gas-A-Just Helps Keep Electronic Safety Systems Performing As Designed.
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2021 GMC Sierra 1500 Suspension Parts

You count on your 2021 GMC Sierra 1500 to run right. That means taking care of it with regular maintenance, necessary repairs, and the right parts. Advance Auto Parts can help with all of that thanks to our extensive inventory of trusted Suspension Parts. With 29 Suspension Parts ranging in price from $14.49 to $1,716.99, you’re sure to find everything you need for your 2021 GMC Sierra 1500.

Brands matter. If you want to shop a specific Suspension Parts brand, we stock 7 different brands like Valvoline, Monroe, and Rancho. 2021 GMC Sierra 1500 Suspension Parts start as low as $14.49!

One of the best ways to find top quality OEM or aftermarket Suspension Parts is by asking professionals. Short of that, you can shop with confidence thanks to our 686 extensive product reviews on 2021 GMC Sierra 1500 Suspension Parts.

Did we mention you can order your Suspension Parts from our online catalog and have them shipped right to your garage? Or, if you feel like seeing the parts first-hand, search for your nearest Advance Auto Parts location above and pick up in-store when you’re ready. Browse our full Suspension Parts inventory for your 2021 GMC Sierra 1500 below to get started!

Top-Rated Suspension Parts Brands For Your 2021 GMC Sierra 1500

Trusted Suspension Parts OEM and aftermarket product brands are what Advance Auto Parts specializes in. The brands we work with are sure to keep that 2021 GMC Sierra 1500 running right for years to come. In our inventory you’ll find brands like Valvoline, Monroe, Rancho, and even more.

Popular Valvoline Suspension Parts

You’ll find popular Valvoline brand products across Air Suspension and Kits. All are waiting to get your 2021 GMC Sierra 1500 back on the road. Some of the top-rated Valvoline products in these categories are:
DEXRON®-VI ATF Full Synthetic Automatic Transmission Fluid, 1 Quart
from $14.49
(2)
DEXRON®-VI ATF Full Synthetic Automatic Transmission Fluid, 1 Quart
Suspension Self-Leveling Unit Fluids

FAQs for 2021 GMC Sierra 1500 Suspension Parts

What are the most purchased Suspension Parts for the 2021 GMC Sierra 1500?

Out of 29 Suspension Parts for the 2021 GMC Sierra 1500, the most popular in our inventory are:
RS5000X Shock Absorber
from $82.99
(5)
RS5000X Shock Absorber
Rear Shock and Struts
RS9000XL Shock Absorber
from $142.99
(2)
RS9000XL Shock Absorber
Rear Shock and Struts
RS9000XL Shock Absorber
from $161.99
(1)
RS9000XL Shock Absorber
Rear Shock and Struts