1999 GMC Sierra 1500 Air Suspension and Kits

Keep Your 1999 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 1999 GMC Sierra 1500 looking sharp and performing at its best. At Advance Auto Parts we carry a wide selection of dependable options, including Air Suspension Shocks, Active Suspension Relays, and Suspension Air Compressors. 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 and Carquest. For example, Valvoline Air Suspension and Kits start at just $36.49 with an average 4.8 star rating. Carquest offer similar pricing and quality, backed by strong customer feedback. With over 1,389 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 1999 GMC Sierra 1500 Air Suspension and Kit at Advance Auto Parts is around $209.74, with a range that starts at $17.49 and goes up to $1,217.99. With 21 options in stock from 9 trusted brands, finding the right fit is easy. Popular picks like Multi-Purpose Relay, RELAY – ACCESSORY, and Monroe Shock Absorber Air Hose Kit start at just $20.79 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 1999 GMC Sierra 1500 in peak condition, inside and out.

Essential 1999 GMC Sierra 1500 Air Suspension and Kits

Firestone Ride-Rite – Portable, Maximum 130 Psi, 18 Amps, With Compressor Only (Part No.9284)

Portable, Maximum 130 Psi, 18 Amps, With Compressor Only

from

$251.99
The Air Command Standard Duty Dual Electric Air Compressor System Kit Allows You To Adjust Your Air Springs With The Touch Of A Button. It Offers A Built in Air Source For Your Suspension System, Making It Easy To Alter Your Springs To Align With The Load Type And Environment. When Shopping For Air Accessories, You will Find That Firestone Air Command Standard Duty Dual Electric Air Compressor System Kit Is Designed To Have A Couple Of Special Benefits. First, The Air Command Standard Duty Dual Electric Air Compressor System Kit Comes Ready To Install, So You Can Set It Up And Get Back To The Road where You Want To Be. Just Connect A Few Wires To The Compressor And A Few To Your Vehicle. The Air Lines And Wiring Harness Can Be Plugged Into The Same Side Of The Unit For Smoother Routing Of Lines And Power Supply. After The Air Command Standard Duty Dual Electric Air Compressor System Kit Is Properly Installed, You Can Make Pressure Adjustments By Pressing A Single Button. This Air Command Standard Duty Dual Electric Air Compressor System Kit Component Allows For Side To Side Or Front to rear Leveling, Real time Pressure Readout, And Dual Left And Right PSI And Pressure Control Readouts. The Air Command Standard Duty Dual Electric Air Compressor System Kit Easy to read Needle Gauge Can Be Viewed Day Or Night, Without Straining Or Squinting Your Eyes. Prior To Installing The Air Command Standard Duty Dual Electric Air Compressor System Kit, Review The Instructions And Identify All Of The Components To Help Make Sure You Get Maximum Performance From Both Your Air Springs And Air Command Standard Duty Dual Electric Air Compressor System Kit. The Installation Steps Are Different Depending On Whether You are Enhancing An Existing Air Helper Spring System With The Air Command Standard Duty Dual Electric Air Compressor System Kit Or Installing It With A New Air Spring System.

Product Features:
  • Individual Air Accessory Components Are Also Available, Including Compressors, Air Tanks, And Mounting Solutions, Providing A Wide Variety Of Air Control Assist Solutions
  • Adjust The Ride For Various Load And Road Conditions With A Switch, Remote Or Mobile App
  • Provides An Instant Air Source For The Air Helper Springs Or Accessories
  • Dual Point Fill (Both Air Springs Fill Independently Of Each Other)
  • Light Duty Compressor Specs (120 PSI Max Air Pressure, 9 Percent Duty Cycle, 0.32 CFM)
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Suncore – Suspension Air Compressor (Part No.122G-20)

Suspension Air Compressor

from

$219.99
At Suncore Industries, we will endeavor to provide High Quality & Reliability Air Suspension Products. Everything we do will encompass successfully addressing the need for exceptional Customer Satisfaction and Product Quality & Reliability. We understand how frustrating it can be to have a part not perform to expectations. We are mechanics and car owners too. Our mission is to provide you with the level of quality you deserve.

Product Features:
  • Tested And Inspected
  • 1 Year Warranty
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Carquest – Multi-Purpose Relay (Part No.83A1003)

Multi-Purpose Relay

from

$20.79
Relays are electrical switches used to convert a small electrical load into a circuit capable of handling a high amperage load. Computers and small switches are not designed to carry the higher amperage requirement of a circuit that may have an electric motor, solenoid, or high amperage lighting fixture. Within a relay are contacts that are controlled with electromagnetism, when the circuit switch commands the device on or off, magnetism will pull or release the contact arm closing or opening the contacts within the relay that carry the voltage.

Product Features:
  • Product constructed to meet all design and operating characteristics as intended by the vehicle manufacturer.
  • Computer-Aided Design (CAD), laser scanning and 3D printing ¿ utilizing Fused Deposition Modeling (FDM) and Stereolithography (SLA) ¿ in the part design process ensures speed-to-market and a precise fit guaranteed.
  • Computer-Aided Design (CAD), laser scanning and 3D printing ┐ utilizing Fused Deposition Modeling (FDM) and Stereolithography (SLA) ┐ in the part design process ensures speed-to-market and a precise fit guaranteed.
  • Where applicable, robust circuit board design increases durability due to heat, shock, and random electro-magnetic pulses (EMP) and power spikes.
  • Tin plated lead frame prevents corrosion and ensures a reliable terminal connection under adverse ambient conditions.
  • 100% thermo-shock and vibration tested to ensure superior performance in extreme conditions.
  • 100% end-of-line tested to ensure accurate signal output providing product reliability, every time.
See More

Carquest Premium – Multi Purpose Relay (Part No.RAA1239)

Multi Purpose Relay

from

$25.99
Carquest premium engine management products provide the right products for a wide range of domestic and import applications. Delivering the highest performance and durability under demanding conditions.
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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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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
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ACDelco – Black Multi-Purpose Pigtail Kit with Splices (Part No.PT2887)

Black Multi-Purpose Pigtail Kit with Splices

from

$59.99
ACDelco GM Original Equipment Pigtail Connectors are connectors ready to be spliced into vehicle harnesses, and are GM-recommended replacements for your vehicle’s original components. These original equipment pigtail connectors have been manufactured to fit your GM vehicle, providing the same performance, durability, and service life you expect from General Motors.

Product Features:
  • Protective outer coverings help provide long-lasting durability
  • Color-coded wires allow for easy installation
  • GM-recommended replacement part for your GM vehicle’s original factory component
  • Offering the quality, reliability, and durability of GM OE
  • Manufactured to GM OE specification for fit, form, and function
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Carquest Premium – Air Suspension Switch Connector (Part No.PTA2121)

Air Suspension Switch Connector

from

$59.99
CARQUEST premium engine management products provide the right products for a wide range of domestic and import applications. Delivering the highest performance and durability under demanding conditions.

Product Features:
  • Premium quality materials for longer service life
  • Sealed connections (where applicable) to prevent environmental corrosion and performance issues
  • Global coverage for import and/or domestic applications
  • OE specified wire gauge to ensure a reliable electrical connection
  • Designed to meet or exceed OE specifications in form, fit and function
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Carquest Premium – Repair Harness (Part No.PTA1807)

Repair Harness

from

$59.99
CARQUEST premium engine management products provide the right products for a wide range of domestic and import applications. Delivering the highest performance and durability under demanding conditions.

Product Features:
  • Premium quality materials for longer service life
  • Sealed connections (where applicable) to prevent environmental corrosion and performance issues
  • Global coverage for import and/or domestic applications
  • OE specified wire gauge to ensure a reliable electrical connection
  • Designed to meet or exceed OE specifications in form, fit and function
See More

Carquest – Multi-Purpose Relay (Part No.83A1005)

Multi-Purpose Relay

from

$17.49
Relays are electrical switches used to convert a small electrical load into a circuit capable of handling a high amperage load. Computers and small switches are not designed to carry the higher amperage requirement of a circuit that may have an electric motor, solenoid, or high amperage lighting fixture. Within a relay are contacts that are controlled with electromagnetism, when the circuit switch commands the device on or off, magnetism will pull or release the contact arm closing or opening the contacts within the relay that carry the voltage.

Product Features:
  • Product constructed to meet all design and operating characteristics as intended by the vehicle manufacturer.
  • Computer-Aided Design (CAD), laser scanning and 3D printing ¿ utilizing Fused Deposition Modeling (FDM) and Stereolithography (SLA) ¿ in the part design process ensures speed-to-market and a precise fit guaranteed.
  • Computer-Aided Design (CAD), laser scanning and 3D printing ┐ utilizing Fused Deposition Modeling (FDM) and Stereolithography (SLA) ┐ in the part design process ensures speed-to-market and a precise fit guaranteed.
  • Where applicable, robust circuit board design increases durability due to heat, shock, and random electro-magnetic pulses (EMP) and power spikes.
  • Tin plated lead frame prevents corrosion and ensures a reliable terminal connection under adverse ambient conditions.
  • 100% thermo-shock and vibration tested to ensure superior performance in extreme conditions.
  • 100% end-of-line tested to ensure accurate signal output providing product reliability, every time.
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

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

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, 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 – Includes Heavy Duty Compressor/3 Gallon Air Tank/25 Foot Extension Hose (Part No.2239)

Includes Heavy Duty Compressor/3 Gallon Air Tank/25 Foot Extension Hose

from

$823.99
Our Air Command systems give customers the ability to conveniently adjust their air springs with the touch of a button thanks to our Air Command Air Compressor Kits. Our designs provide an instant air source to a vehicle air suspension system, giving users the freedom to adjust their air springs to accommodate different loads and road conditions from both inside and outside of the vehicle.

Product Features:
  • The Easy To Read Digital Display Is Designed So You Can See It During The Day, But It Does Not Blind You At Night
  • The Wireless Remote Utilizes A New Sleep Cycle And LED Display That Reduces Energy Use And Improves Battery Life
  • Easy Installation
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Firestone Ride-Rite – Controls Two Air Springs Individually, Switch Operated (Part No.2168)

Controls Two Air Springs Individually, Switch Operated

from

$1217.99
Designed to provide inflation control of your air helper springs. This kit will be an asset to your vehicle, meeting nearly all of your air supply needs.

Product Features:
  • Individual Air Accessory Components Are Also Available, Including Compressors, Air Tanks, And Mounting Solutions, Providing A Wide Variety Of Air Control Assist Solutions
  • Adjust The Ride For Various Load And Road Conditions With A Switch, Remote Or Mobile App
  • Provides An Instant Air Source For The Air Helper Springs Or Accessories
  • Dual Point Fill (Both Air Springs Fill Independently Of Each Other)
See More

Monroe – Monroe Shock Absorber Air Hose Kit (Part No.AK64)

Monroe Shock Absorber Air Hose Kit

from

$25.99
Monroe® is one of the automotive industry’s best-known and most trusted original equipment and aftermarket brands, having delivered innovative undercar solutions to leading global OE manufacturers and generations of professional technicians and vehicle owners. This heritage of leading-edge products and exceptional customer support has made Monroe® shocks, struts and other ride control components a preferred choice of automotive professionals worldwide.
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Monroe – Monroe Shock Absorber Air Hose Kit (Part No.AK18)

Monroe Shock Absorber Air Hose Kit

from

$37.99
Monroe® is one of the automotive industry’s best-known and most trusted original equipment and aftermarket brands, having delivered innovative undercar solutions to leading global OE manufacturers and generations of professional technicians and vehicle owners. This heritage of leading-edge products and exceptional customer support has made Monroe® shocks, struts and other ride control components a preferred choice of automotive professionals worldwide.
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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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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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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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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 – 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

TrailFX – Leaf Spring Block Kit, 3 Inch Lift; Aluminum; With 2 Blocks/ 4 U-Bolts/ Hardware (Part No.G30RB1)

Leaf Spring Block Kit, 3 Inch Lift; Aluminum; With 2 Blocks/ 4 U-Bolts/ Hardware

from

$150.99
TrailFX has produced a line of leveling and rear block kits that are engineered to provide consumers with the very best in quality performance at an attractive price point. TrailFX suspension products allow you to level your vehicle or raise it for additional tire clearance, all while maintaining your factory ride.

Product Features:
  • Maintains Factory Ride
  • Allows For Rear Rake For Towing Or Hauling
  • Simple Installation
  • Limited Lifetime Warranty Against Defects In Design, Operation, Workmanship And Materials
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Belltech – 1 To 3 Inch Lift, Torsion Bar Key, With Torsion Bar Keys Only (Part No.3925)

1 To 3 Inch Lift, Torsion Bar Key, With Torsion Bar Keys Only

from

$116.99
Product Features:
  • Limited Lifetime Warranty
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TrailFX – 3 Inch Lift, Strut Spacers, With Lower Spacers And Angled Top Spacers (Part No.G30LL1)

3 Inch Lift, Strut Spacers, With Lower Spacers And Angled Top Spacers

from

$166.99
TrailFX has produced a line of leveling and rear block kits that are engineered to provide consumers with the very best in quality performance at an attractive price point. TrailFX suspension products allow you to level your vehicle or raise it for additional tire clearance, all while maintaining your factory ride.

Product Features:
  • Gain Tire And Ground Clearance
  • Easily Removed For Leased Vehicles
  • Guaranteed For The Life Of Your Vehicle
  • The Fastest, Least Expensive Way To Level Or Lift Your Truck
  • The Strongest And Safest Forged Torsion Key Leveling System On The Market Today
  • Stock Ride Quality Retained When Properly Installed
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Most Popular Air Suspension Shock for 1999 GMC Sierra 1500s

Enhance your 1999 GMC Sierra 1500 with this popular Air Suspension Shock we have in stock, for $141.99.

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

Best-Selling 1999 GMC Sierra 1500 Active Suspension Relays

Upgrade your Sierra 1500 with one of our 5 best-selling Active Suspension Relays, earning an average 4 stars rating across 4 reviews.

Carquest – RELAY – ACCESSORY (Part No.R3115)

RELAY - ACCESSORY

from

$27.49
BWD is an aftermarket leader, providing a premium line of engine management products. BWD manufactures and distributes high technology critical components for late model domestic and import vehicles. BWD is constantly evolving to give customers the competitive edge they need to compete in today’s ever-changing marketplace.

Product Features:
  • Our units are all pre-aligned & pre-adjusted to save installation time and ensure proper switching.
  • A lubricated felt pad that lubricates the cam lobes on the vehicles distributor. This reduces wear on the point set rubbing block, extending the usable life of the part.
  • Ventilated where available, tungsten contacts, which run cooler and exhibit less erosion.
  • The copper-alloy shunt provides superior resistance to breakage, due to the flexing of the moving arm on the point set. It also significantly increases current conductivity over typical steel, shunts.
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Carquest – Multi-Purpose Relay (Part No.83A1003)

Multi-Purpose Relay

from

$20.79
Relays are electrical switches used to convert a small electrical load into a circuit capable of handling a high amperage load. Computers and small switches are not designed to carry the higher amperage requirement of a circuit that may have an electric motor, solenoid, or high amperage lighting fixture. Within a relay are contacts that are controlled with electromagnetism, when the circuit switch commands the device on or off, magnetism will pull or release the contact arm closing or opening the contacts within the relay that carry the voltage.

Product Features:
  • Product constructed to meet all design and operating characteristics as intended by the vehicle manufacturer.
  • Computer-Aided Design (CAD), laser scanning and 3D printing ¿ utilizing Fused Deposition Modeling (FDM) and Stereolithography (SLA) ¿ in the part design process ensures speed-to-market and a precise fit guaranteed.
  • Computer-Aided Design (CAD), laser scanning and 3D printing ┐ utilizing Fused Deposition Modeling (FDM) and Stereolithography (SLA) ┐ in the part design process ensures speed-to-market and a precise fit guaranteed.
  • Where applicable, robust circuit board design increases durability due to heat, shock, and random electro-magnetic pulses (EMP) and power spikes.
  • Tin plated lead frame prevents corrosion and ensures a reliable terminal connection under adverse ambient conditions.
  • 100% thermo-shock and vibration tested to ensure superior performance in extreme conditions.
  • 100% end-of-line tested to ensure accurate signal output providing product reliability, every time.
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Carquest Premium – Multi Purpose Relay (Part No.RAA1236)

Multi Purpose Relay

from

$28.49
Carquest premium engine management products provide the right products for a wide range of domestic and import applications. Delivering the highest performance and durability under demanding conditions.
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Driveworks – Electrical Relay (Part No.83263)

Electrical Relay

from

$17.99
Driveworks® offers a line of aftermarket parts and accessories that are commercially acceptable and competitively priced, which provides professional technicians and DIYers with an affordable alternative for repairs.

Product Features:
  • Direct-fit OE replacement ensures ease of installation
  • Designed to meet OE performance
  • As the leader in commercially acceptable parts, we provide professional technicians with the quality parts they need
  • As the leader in commercially acceptable parts, we provide professional technicians with the quality parts they need
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Carquest Premium – Multi Purpose Relay (Part No.RAA1239)

Multi Purpose Relay

from

$25.99
Carquest premium engine management products provide the right products for a wide range of domestic and import applications. Delivering the highest performance and durability under demanding conditions.
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Top-Quality Suspension Air Compressors for 1999 GMC Sierra 1500s

Choose a high-quality OEM or aftermarket Suspension Air Compressor for GMC Sierra 1500s and enjoy top-notch performance from $251.99.

Firestone Ride-Rite – Portable, Maximum 130 Psi, 18 Amps, With Compressor Only (Part No.9284)

Portable, Maximum 130 Psi, 18 Amps, With Compressor Only

from

$251.99
The Air Command Standard Duty Dual Electric Air Compressor System Kit Allows You To Adjust Your Air Springs With The Touch Of A Button. It Offers A Built in Air Source For Your Suspension System, Making It Easy To Alter Your Springs To Align With The Load Type And Environment. When Shopping For Air Accessories, You will Find That Firestone Air Command Standard Duty Dual Electric Air Compressor System Kit Is Designed To Have A Couple Of Special Benefits. First, The Air Command Standard Duty Dual Electric Air Compressor System Kit Comes Ready To Install, So You Can Set It Up And Get Back To The Road where You Want To Be. Just Connect A Few Wires To The Compressor And A Few To Your Vehicle. The Air Lines And Wiring Harness Can Be Plugged Into The Same Side Of The Unit For Smoother Routing Of Lines And Power Supply. After The Air Command Standard Duty Dual Electric Air Compressor System Kit Is Properly Installed, You Can Make Pressure Adjustments By Pressing A Single Button. This Air Command Standard Duty Dual Electric Air Compressor System Kit Component Allows For Side To Side Or Front to rear Leveling, Real time Pressure Readout, And Dual Left And Right PSI And Pressure Control Readouts. The Air Command Standard Duty Dual Electric Air Compressor System Kit Easy to read Needle Gauge Can Be Viewed Day Or Night, Without Straining Or Squinting Your Eyes. Prior To Installing The Air Command Standard Duty Dual Electric Air Compressor System Kit, Review The Instructions And Identify All Of The Components To Help Make Sure You Get Maximum Performance From Both Your Air Springs And Air Command Standard Duty Dual Electric Air Compressor System Kit. The Installation Steps Are Different Depending On Whether You are Enhancing An Existing Air Helper Spring System With The Air Command Standard Duty Dual Electric Air Compressor System Kit Or Installing It With A New Air Spring System.

Product Features:
  • Individual Air Accessory Components Are Also Available, Including Compressors, Air Tanks, And Mounting Solutions, Providing A Wide Variety Of Air Control Assist Solutions
  • Adjust The Ride For Various Load And Road Conditions With A Switch, Remote Or Mobile App
  • Provides An Instant Air Source For The Air Helper Springs Or Accessories
  • Dual Point Fill (Both Air Springs Fill Independently Of Each Other)
  • Light Duty Compressor Specs (120 PSI Max Air Pressure, 9 Percent Duty Cycle, 0.32 CFM)
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Our Top Pick for a 1999 GMC Sierra 1500 Suspension Self-Leveling Unit Fluid

Invest in a durable Suspension Self-Leveling Unit Fluid for your 1999 Ford, knowing you’re getting trusted brands and expert craftsmanship.

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
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Top-Rated Air Shock Installation Kits for 1999 GMC Sierra 1500s

Make a smart move for your 1999 GMC Sierra 1500 with products all priced from $25.99 to $37.99.

Monroe – Monroe Shock Absorber Air Hose Kit (Part No.AK18)

Monroe Shock Absorber Air Hose Kit

from

$37.99
Monroe® is one of the automotive industry’s best-known and most trusted original equipment and aftermarket brands, having delivered innovative undercar solutions to leading global OE manufacturers and generations of professional technicians and vehicle owners. This heritage of leading-edge products and exceptional customer support has made Monroe® shocks, struts and other ride control components a preferred choice of automotive professionals worldwide.
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Monroe – Monroe Shock Absorber Air Hose Kit (Part No.AK64)

Monroe Shock Absorber Air Hose Kit

from

$25.99
Monroe® is one of the automotive industry’s best-known and most trusted original equipment and aftermarket brands, having delivered innovative undercar solutions to leading global OE manufacturers and generations of professional technicians and vehicle owners. This heritage of leading-edge products and exceptional customer support has made Monroe® shocks, struts and other ride control components a preferred choice of automotive professionals worldwide.
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Top-Rated Air Suspension and Kit Brands For Your 1999 GMC Sierra 1500

When it comes to finding the perfect Air Suspension and Kit for your 1999 GMC Sierra 1500, Advance Auto Parts has you covered with a wide selection of high-quality OEM and aftermarket options from 9 trusted brands. We carry the most popular Air Suspension and Kit brands including Valvoline and Carquest, and more, all known for their exceptional customer ratings (average brand rating of 4.8 stars) and competitive prices, as low as $27.49. Purchasing a Air Suspension and Kit from us here at Advance Auto Parts is a smart move for both you and your 1999 GMC Sierra 1500, providing peace of mind with parts that meet or exceed OEM standards.

Popular Valvoline 1999 GMC Sierra 1500 Air Suspension and Kits

If you’re looking for a top-quality Air Suspension and Kit for your 1999 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 1999 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.

Top-Quality Carquest 1999 GMC Sierra 1500 Air Suspension and Kits

For those in search of a high-quality Air Suspension and Kit for their 1999 GMC Sierra 1500, Advance Auto Parts offers a great selection of Carquest Air Suspension and Kits. With 1 Carquest Air Suspension and Kits in stock, you can trust you’re getting top-tier parts designed for durability and a perfect fit. Prices for these Air Suspension and Kits start at just $27.49, giving you a range of options to suit your budget. Backed by over 4 customer ratings and an average rating of 4.4 stars, Carquest Air Suspension and Kits provide both reliability and excellent performance. Choosing a Carquest Air Suspension and Kit from Advance Auto Parts is a smart investment in your vehicle’s performance and longevity.
RELAY - ACCESSORY
from $27.49
(4)
RELAY – ACCESSORY
“Relay now working again, thanks!”

FAQs for 1999 GMC Sierra 1500 Air Suspension and Kits

What are the best-selling Air Suspension and Kits for 1999 GMC Sierra 1500s?

Out of 21 Air Suspension and Kits that fit 1999 GMC Sierra 1500s, the following parts are the top sellers:

What’s the price range for 1999 GMC Sierra 1500 Air Suspension and Kits?

The prices of Air Suspension and Kits for the 1999 GMC Sierra 1500 range from $17.49 up to $1,217.99 for the most premium parts.

What is the average price of an Air Suspension and Kits Air Suspension and Kit for a 1999 GMC Sierra 1500?

The average price for Air Suspension and Kits for the 1999 GMC Sierra 1500 is $209.74. 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 2000 and 2025. The following model years are the most popular for Air Suspension and Kit purchases: 2023, 2022, 2024, 2021, 2020, 2019, 2018, 2017, and 2016.

What are the cheapest Air Suspension and Kits for my 1999 GMC Sierra 1500?

The cheapest 1999 GMC Sierra 1500 Air Suspension and Kits we carry are:

Does Advance Auto Parts sell Air Suspension and Kits for any other 1999 GMC models?

What are the top-rated Air Suspension and Kits that fit the 1999 GMC Sierra 1500?

Based on 1,389 reviews by customers, our 1999 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 1999 GMC Sierra 1500 and their top-rated products:

What types of Air Suspension and Kits do you sell for my 1999 GMC Sierra 1500?

As of 4/10/25, these are some of the most in-demand types of Air Suspension and Kits for a 1999 GMC Sierra 1500:

Can I get help with 1999 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.