2021 GMC Sierra 1500 Air Suspension and Kits

Keep Your 2021 GMC Sierra 1500 in Top Shape with Quality Air Suspension and Kits

Whether you’re repairing or upgrading your Air Suspension and Kit, using high-quality parts is key to keeping your 2021 GMC Sierra 1500 looking sharp and performing at its best. At Advance Auto Parts we carry a wide selection of dependable options, including Shock Absorber Kits, Suspension Self-Leveling Unit Fluids, and Suspension Rubber Helper Spring Kits. Whether you’re replacing a damaged part or enhancing your truck’s style and protection, you’ll find exactly what you need to get the job done right.

Top-Rated Air Suspension and Kits from Trusted Brands

Looking for a reliable Air Suspension and Kit? We’ve got you covered with options from brands you know and trust like Valvoline. For example, Valvoline Air Suspension and Kits start at just $36.49 with an average 4.8 star rating. With over 5,828 reviews and a solid 4 star average, you can shop with confidence knowing other GMC Sierra 1500 owners approve.

Competitive Prices and Extensive Inventory

The average price for a 2021 GMC Sierra 1500 Air Suspension and Kit at Advance Auto Parts is around $437.96, with a range that starts at $36.49 and goes up to $1,600.99. With 14 options in stock from 7 trusted brands, finding the right fit is easy. Popular picks like Max-Air Air Shock Absorber, Rubber Spring, Inside Coil Spring Mount, 8,600Lb, Aeon Hollow Rubber, and Rubber Spring, Frame Mount, 14000 Lb Weight Capacity Per Set, Aeon Hollow Rubber start at just $119.99 and offer a great balance of form and function.

Explore Related Parts

While you’re upgrading or replacing your Air Suspension and Kit, don’t forget to check out other key components like Coil and Leaf Springs and Shocks and Struts. At Advance Auto Parts, we’re here to help you keep your 2021 GMC Sierra 1500 in peak condition, inside and out.

Essential 2021 GMC Sierra 1500 Air Suspension and Kits

Suncore – Shock Kit (Part No.2-12S251500-001)

Shock Kit

from

$69.99
Shock Kit

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

Sway-A-Way Shock Kit

from

$848.99
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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Valvoline – MaxLife Multi-Vehicle (ATF) Full Synthetic Automatic Transmission Fluid, 1 Gallon (Part No.773775)

MaxLife Multi-Vehicle (ATF) Full Synthetic Automatic Transmission Fluid, 1 Gallon

from

$36.49
Valvoline MaxLife Multi-Vehicle Automatic Transmission Fluid (ATF) is a full-synthetic formulation with advanced additives to prevent the major causes of transmission breakdown and help extend transmission life.  Developed to help prevent leaks, maximize transmission performance, reduce transmission wear, and maintain smooth shifting longer than conventional fluids. It is suitable for use in a broad range of ATF applications including most Ford, GM, Toyota, Honda, Nissan, Hyundai, BMW, Mercedes, Volvo, VW & Audi.

Product Features:
  • Formulated with full-synthetic base stocks and advanced additive technology to meet the challenging demands of automatic transmissions.
  • Long life friction modifiers help improve smooth shifting, eliminate slippage and shudder, prevent clutch wear and improve drivability longer than conventional fluids
  • High-performance seal conditioners maintain and preserve the elasticity of seals to help prevent leaks in high mileage transmissions
  • Developed with anti-wear technology to help improve transmission durability
  • Advanced additives to provide better oil flow at low temperatures and greater film protection at higher temperatures
  • Suitable for 95% of traditional ATFs including Dex/Merc, Mercon LV & Mercon V
See More

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
See More

TrailFX – 4"Front/1.75"Rear Lift, Black Components, With Front Strut Extensions/ (Part No.G40SL2)

4"Front/1.75"Rear Lift, Black Components, With Front Strut Extensions/

from

$1009.00
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.

Product Features:
  • Designed For Additional Clearance For Larger Wheel And Tire Combinations
  • All Necessary Components Included In One Box
  • Maintains Factory Ride Quality
  • Shock Replacement Not Required
See More

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)
See More

Firestone Ride-Rite – Frame Mount, 3000Lb Leveling, Adjustable From 5-100Psi, Rubber (Part No.2320)

Frame Mount, 3000Lb Leveling, Adjustable From 5-100Psi, Rubber

from

$491.99
Sport-Rite(TM) airide springs are the answer to all your ride performance needs. These air springs mount between the frame and the suspension, utilizing a state of the Art, OEM, tapered air spring. Sport-Rite kits enhance the ride while empty or loaded. The tapered style air spring will support up to 3,000 Pounds per set.

Product Features:
  • Level The Vehicle Front To Rear And Side To Side
  • Adjustability 7 To 100 PSI
  • Improve The Ride While Loaded
  • Stabilize Heavy Loads
  • Everything Is Included For A Quick, Easy Installation. Brackets, Air Springs, Hardware, Air Line, And Separate Valves For Manual Inflation
See More

Skyjacker – 14 Gm Lower Strut Spacer Kt (Part No.C1420LMSA)

14 Gm Lower Strut Spacer Kt

from

$83.99
Skyjacker(R) suspension leveling kits are just what you need to get your truck or suv riding level again. They feature specially designed spacers to give you the additional lift necessary to make your vehicle stance level. Available for either the front or rear, these skyjacker suspension leveling kits are an excellent choice to lift your truck or suv.

Product Features:
  • Made From Premium Materials
  • Meets The Highest Quality Standards
  • Provide A Smooth, Comfortable Ride
  • Maintain That Factory Ride Quality
  • Easy Installation
See More

Rancho – Rancho LfSprgBlkKit (Part No.RS70302)

Rancho LfSprgBlkKit

from

$193.99
Designed to level out your Ford® F-150, the Rancho® rear lift block kit raises the rear an additional 1.5-in. to accommodate larger wheel/tire combinations.

Product Features:
  • COMPATIBILITY — Designed for Chevrolet Silverado 1500 and GMC Sierra 1500 trucks
  • LIFTS AND LEVELS — Raises the rear of the truck an additional 1.5-in. to level out the entire vehicle (aftermarket bumpers, winches, etc. affect lift height)
  • FITS LARGER TIRES — Allows the use of larger wheel/tires without body or fender modifications (tire size varies by manufacturer)
  • EASY TO INSTALL — Kit includes two rear blocks, four coated U-bolts and eight nuts that install easily
  • RESISTS CORROSION — Zinc-coated hardware resists rust and corrosion
  • COMPLETE PERFORMANCE UPGRADE — Transform your suspension with a Rancho LEVEL IT system, Rancho quickLIFT®, performance upper control arms, Rancho RS9000®XL or RS5000®X rear shocks, sold separately, see Rancho catalog for details
See More

Rancho – Rancho Susp Systm (Part No.RS66311R9)

Rancho Susp Systm

from

$1463.99
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:
  • COMPATIBILITY — Designed for Chevrolet Silverado 1500 (excludes Trail Boss) and GMC Sierra 1500 trucks (excludes AT4)
  • LIFTS AND LEVELS VEHICLE — Designed to fit 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
  • ORDERING INFO — Ships in three boxes, order RS66311R9-1, RS66311R9-2 and RS66311R9-3 for a complete kit
  • 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)
See More

Monroe – Max-Air Air Shock Absorber (Part No.MA834)

Max-Air Air Shock Absorber

from

$119.99
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.
See More

Monroe – Max-Air Air Adjustable Air Shock Absorber Pack of 2 (Part No.MA828)

Max-Air Air Adjustable Air Shock Absorber Pack of 2

from

$141.99
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.
See More

Timbren SES – Rubber Spring, Frame Mount, 14000 Lb Weight Capacity Per Set, Aeon Hollow Rubber (Part No.GMFK15CC)

Rubber Spring, Frame Mount, 14000 Lb Weight Capacity Per Set, Aeon Hollow Rubber

from

$269.99
This SES Suspension Upgrade fits the front suspension of a Chevrolet Silverado 1500 and GMC Sierra 1500 pickup truck. Each laser cut piece of steel is precision bent and powder coated to ensure a quality fit. We have engineered our hollow rubber springs to deliver a progressive spring rate. In other words, the more weight that pushes down on the rubber springs the harder they work to prevent front end sag.

Product Features:
  • Eliminate Vehicle Squatting And Sagging
  • Improved Handling For Vehicles Equipped With Snowplows
  • Cushion Road Shocks
  • Improve Handling
See More

Timbren SES – Rubber Spring, Inside Coil Spring Mount, 14,000Lb, Aeon Hollow Rubber (Part No.GMFK25S)

Rubber Spring, Inside Coil Spring Mount, 14,000Lb, 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
See More

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
See More

Timbren SES – Rubber Spring, Inside Coil Spring Mount, 14000Lb, Aeon Hollow Rubber (Part No.GMFK15CA)

Rubber Spring, Inside Coil Spring Mount, 14000Lb, 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
See More

Timbren SES – Rubber Spring, Inside Coil Spring Mount, 7000Lb Weight/Set, Aeon Hollow Rubber (Part No.GMRTT15S)

Rubber Spring, Inside Coil Spring Mount, 7000Lb Weight/Set, Aeon Hollow Rubber

from

$269.99
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
See More

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
See More

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
See More

Most Popular Shock Absorber Kit for 2021 GMC Sierra 1500s

Enhance your 2021 GMC Sierra 1500 with this popular Shock Absorber Kit we have in stock, for $1,600.99.

FOX Offroad Shocks – Hydraulic/Nitrogen Gas Charged, Dual Speed Compression Adjustable, Set Of 2 (Part No.883-26-060)

Hydraulic/Nitrogen Gas Charged, Dual Speed Compression Adjustable, Set Of 2

from

$1600.99
Product Features:
  • Body: 2.5 Inch Impact Extruded And CNC Machined 6061-T6 Hard Anodized Aluminum Body Resists Rust Over Time
  • Reservoir External Reservoir Design Separates Shock Oil From The High-Pressure Nitrogen
  • Shaft 7/8 Inch Hard Chrome Plated Heat Treated Alloy Steel
  • Piston, Race-Developed High-Flow Piston Design
  • Seals Redundant Sealing Pack System, Main Seal, Wiper Seal, Scraper Seal
  • Oil JM92 Advanced Suspension Fluid For Improved Performance At Variable Temperatures
See More

Best-Selling 2021 GMC Sierra 1500 Suspension Self-Leveling Unit Fluid

Upgrade your Sierra 1500 with our best-selling Suspension Self-Leveling Unit Fluid with a 5 Starts rating across 446 reviews.

Valvoline – MaxLife Multi-Vehicle (ATF) Full Synthetic Automatic Transmission Fluid, 1 Gallon (Part No.773775)

MaxLife Multi-Vehicle (ATF) Full Synthetic Automatic Transmission Fluid, 1 Gallon

from

$36.49
Valvoline MaxLife Multi-Vehicle Automatic Transmission Fluid (ATF) is a full-synthetic formulation with advanced additives to prevent the major causes of transmission breakdown and help extend transmission life.  Developed to help prevent leaks, maximize transmission performance, reduce transmission wear, and maintain smooth shifting longer than conventional fluids. It is suitable for use in a broad range of ATF applications including most Ford, GM, Toyota, Honda, Nissan, Hyundai, BMW, Mercedes, Volvo, VW & Audi.

Product Features:
  • Formulated with full-synthetic base stocks and advanced additive technology to meet the challenging demands of automatic transmissions.
  • Long life friction modifiers help improve smooth shifting, eliminate slippage and shudder, prevent clutch wear and improve drivability longer than conventional fluids
  • High-performance seal conditioners maintain and preserve the elasticity of seals to help prevent leaks in high mileage transmissions
  • Developed with anti-wear technology to help improve transmission durability
  • Advanced additives to provide better oil flow at low temperatures and greater film protection at higher temperatures
  • Suitable for 95% of traditional ATFs including Dex/Merc, Mercon LV & Mercon V
See More

Top-Quality Suspension Rubber Helper Spring Kits for 2021 GMC Sierra 1500s

Choose a high-quality OEM or aftermarket Suspension Rubber Helper Spring Kit for GMC Sierra 1500s and enjoy top-notch performance from $269.99.

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
See More

Timbren SES – Rubber Spring, Frame Mount, 14000 Lb Weight Capacity Per Set, Aeon Hollow Rubber (Part No.GMFK15CC)

Rubber Spring, Frame Mount, 14000 Lb Weight Capacity Per Set, Aeon Hollow Rubber

from

$269.99
This SES Suspension Upgrade fits the front suspension of a Chevrolet Silverado 1500 and GMC Sierra 1500 pickup truck. Each laser cut piece of steel is precision bent and powder coated to ensure a quality fit. We have engineered our hollow rubber springs to deliver a progressive spring rate. In other words, the more weight that pushes down on the rubber springs the harder they work to prevent front end sag.

Product Features:
  • Eliminate Vehicle Squatting And Sagging
  • Improved Handling For Vehicles Equipped With Snowplows
  • Cushion Road Shocks
  • Improve Handling
See More

Timbren SES – Rubber Spring, Inside Coil Spring Mount, 7000Lb Weight/Set, Aeon Hollow Rubber (Part No.GMRTT15S)

Rubber Spring, Inside Coil Spring Mount, 7000Lb Weight/Set, Aeon Hollow Rubber

from

$269.99
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
See More

Top Picks for 2021 GMC Sierra 1500 Lift and Lowering Kits

Invest in one of our 7 durable Lift and Lowering Kits for your 2021 Ford, knowing you’re getting trusted brands and expert craftsmanship.

Rancho – Rancho Susp Systm (Part No.RS66311R9)

Rancho Susp Systm

from

$1463.99
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:
  • COMPATIBILITY — Designed for Chevrolet Silverado 1500 (excludes Trail Boss) and GMC Sierra 1500 trucks (excludes AT4)
  • LIFTS AND LEVELS VEHICLE — Designed to fit 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
  • ORDERING INFO — Ships in three boxes, order RS66311R9-1, RS66311R9-2 and RS66311R9-3 for a complete kit
  • 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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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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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 – 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 LfSprgBlkKit (Part No.RS70302)

Rancho LfSprgBlkKit

from

$193.99
Designed to level out your Ford® F-150, the Rancho® rear lift block kit raises the rear an additional 1.5-in. to accommodate larger wheel/tire combinations.

Product Features:
  • COMPATIBILITY — Designed for Chevrolet Silverado 1500 and GMC Sierra 1500 trucks
  • LIFTS AND LEVELS — Raises the rear of the truck an additional 1.5-in. to level out the entire vehicle (aftermarket bumpers, winches, etc. affect lift height)
  • FITS LARGER TIRES — Allows the use of larger wheel/tires without body or fender modifications (tire size varies by manufacturer)
  • EASY TO INSTALL — Kit includes two rear blocks, four coated U-bolts and eight nuts that install easily
  • RESISTS CORROSION — Zinc-coated hardware resists rust and corrosion
  • COMPLETE PERFORMANCE UPGRADE — Transform your suspension with a Rancho LEVEL IT system, Rancho quickLIFT®, performance upper control arms, Rancho RS9000®XL or RS5000®X rear shocks, sold separately, see Rancho catalog for details
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Skyjacker – 2" Lift, Strut Assembly Spacer, With Aluminum Strut Assembly Spacers/ Hardware (Part No.C720MS)

2" Lift, Strut Assembly Spacer, With Aluminum Strut Assembly Spacers/ Hardware

from

$176.99
Skyjacker(R) suspension leveling kits are just what you need to get your truck or suv riding level again. They feature specially designed spacers to give you the additional lift necessary to make your vehicle stance level. Available for either the front or rear, these skyjacker suspension leveling kits are an excellent choice to lift your truck or suv.

Product Features:
  • 6 Leveling Kit Merchandiser Packages To Choose From, With The Hottest Moving Applications
  • Levels Out Factory Rake Not Affecting Your Ride Quality
  • Allows For The Use Of Larger Wheel And Tire Combinations
  • Easy To Install, Spacers Mount On Top Of The Strut, No Strut Compressor Required
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Skyjacker – 14 Gm Lower Strut Spacer Kt (Part No.C1420LMSA)

14 Gm Lower Strut Spacer Kt

from

$83.99
Skyjacker(R) suspension leveling kits are just what you need to get your truck or suv riding level again. They feature specially designed spacers to give you the additional lift necessary to make your vehicle stance level. Available for either the front or rear, these skyjacker suspension leveling kits are an excellent choice to lift your truck or suv.

Product Features:
  • Made From Premium Materials
  • Meets The Highest Quality Standards
  • Provide A Smooth, Comfortable Ride
  • Maintain That Factory Ride Quality
  • Easy Installation
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Our Top-Rated Air Suspension Shocks for 2021 GMC Sierra 1500s

Make a smart move for your 2021 GMC Sierra 1500 with our Air Suspension Shock for $119.99.

Monroe – Max-Air Air Shock Absorber (Part No.MA834)

Max-Air Air Shock Absorber

from

$119.99
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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Top-Rated Air Suspension and Kit Brands For Your 2021 GMC Sierra 1500

When it comes to finding the perfect Air Suspension and Kit for your 2021 GMC Sierra 1500, Advance Auto Parts has you covered with a wide selection of high-quality OEM and aftermarket options from 7 trusted brands. We carry the most popular Air Suspension and Kit brands including Valvoline, and more, all known for their exceptional customer ratings (average brand rating of 4.8 stars) and competitive prices, as low as $36.49. Purchasing a Air Suspension and Kit from us here at Advance Auto Parts is a smart move for both you and your 2021 GMC Sierra 1500, providing peace of mind with parts that meet or exceed OEM standards.

Popular Valvoline 2021 GMC Sierra 1500 Air Suspension and Kits

If you’re looking for a top-quality Air Suspension and Kit for your 2021 GMC Sierra 1500, Advance Auto Parts has exactly what you need with our selection of Valvoline Air Suspension and Kits. We have 1 Valvoline Air Suspension and Kits in stock for this fitment, all known for their durability and precision fit. With prices starting at just $36.49, you’ll find the perfect Air Suspension and Kit for your needs and budget. Valvoline Air Suspension and Kits for the 2021 GMC Sierra 1500 come highly rated, with over 446 customer reviews and an impressive average rating of 4.8 stars. Choosing a Valvoline Air Suspension and Kit from Advance Auto Parts is a smart move to ensure quality and value for your vehicle.

FAQs for 2021 GMC Sierra 1500 Air Suspension and Kits

What are the best-selling Air Suspension and Kits for 2021 GMC Sierra 1500s?

Out of 14 Air Suspension and Kits that fit 2021 GMC Sierra 1500s, the following parts are the top sellers:

What’s the price range for 2021 GMC Sierra 1500 Air Suspension and Kits?

The prices of Air Suspension and Kits for the 2021 GMC Sierra 1500 range from $36.49 up to $1,600.99 for the most premium parts.

What is the average price of an Air Suspension and Kits Air Suspension and Kit for a 2021 GMC Sierra 1500?

The average price for Air Suspension and Kits for the 2021 GMC Sierra 1500 is $437.96. Keep in mind the variety of part types within our Air Suspension and Kit category, where you are likely to find a wide range of prices across a variety of parts and components.

Does Advance Auto Parts sell Air Suspension and Kits for other GMC Sierra 1500 model years?

Yes, we carry Air Suspension and Kits for 25 model years of GMC Sierra 1500s between 1999 and 2025. The following model years are the most popular for Air Suspension and Kit purchases: 2023, 2022, 2024, 2020, 2019, 2018, 2017, 2016, and 2015.

What are the cheapest Air Suspension and Kits for my 2021 GMC Sierra 1500?

The cheapest 2021 GMC Sierra 1500 Air Suspension and Kits we carry are:

Does Advance Auto Parts sell Air Suspension and Kits for any other 2021 GMC models?

What are the top-rated Air Suspension and Kits that fit the 2021 GMC Sierra 1500?

Based on 5,828 reviews by customers, our 2021 GMC Sierra 1500 Air Suspension and Kits have an average customer rating of 4 stars. These are the highest-rated categories of Air Suspension and Kits for the 2021 GMC Sierra 1500 and their top-rated products:

What types of Air Suspension and Kits do you sell for my 2021 GMC Sierra 1500?

As of 4/10/25, these are some of the most in-demand types of Air Suspension and Kits for a 2021 GMC Sierra 1500:

Can I get help with 2021 GMC Sierra 1500 Air Suspension and Kit orders?

Contact our customer support team by chat or phone, through the help desk page, where you can find instant answers about GMC Air Suspension and Kits and more.

What is your return policy for GMC Sierra 1500 Air Suspension and Kits?

Advance Auto Parts keeps returns simple. For new GMC Sierra 1500 Air Suspension and Kits and accessories, your online orders can be returned, in their original condition, within 45 days. For requirements, see the returns page.