2003 Chevrolet Avalanche 1500 Air Suspension and Kits

Shock Kit

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.

While your car, truck, or SUV depends on Firestone Ride-Rite (TM) air springs to deliver in-cabin comfort, confidence, and control, you turn to Firestone Air Command (TM) products to take your experience to the next level. You count on air accessories like the Air Command Heavy-Duty Air Compressor System with Single Analog Gauge. The Air Command Heavy-Duty Air Compressor System with Single Analog Gauge makes inflating or deflating your air springs easy with the touch of a button. It provides an on-the-spot air source to your vehicle suspension system, letting you modify your springs to match the load and driving conditions. Firestone Air Command Heavy-Duty Air Compressor System with Single Analog Gauge, in particular, features a handful of distinct advantages. The Air Command Heavy-Duty Air Compressor System with Single Analog Gauge’s easy installation is chief among them, so you can get it hooked up and hop on the road in no time. Connect one wire to the compressor and three to the vehicle. The wiring harness and air lines can be plugged into the same side of the unit for uncluttered routing of power supply and lines.

Product Features:

• Designed To Provide Inflation Control Of Your Air Helper Springs
• Provides An Instant Air Source For The Air Helper Springs Or Accessories
• Single Point Fill (Both Air Springs Fill To The Same Pressure)
• Heavy-Duty Compressor Specs (150 Pounds Per Square Inch Max Air Pressure, 30 Percent Duty Cycle, 0.40 CFM)

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)

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:

• Smooth Ride
• Lifetime Warranty
• Direct Replacement

Convert a vehicle’s factory-equipped air suspension to a conventional suspension with a Monroe® Suspension Conversion Kit. Includes premium components – application-tuned shock/strut, coil spring(s) and hardware.

Product Features:

• CONVERT YOUR RIDE — An alternative to replacing the OE system, this conversion kit converts a factory electronic suspension to a conventional suspension
• COMPLETE SOLUTION — Includes premium-quality replacement components – application-tuned shock/strut, coil spring(s) and necessary mounting hardware
• EASY TO INSTALL — Engineered for superior fit and comes with detailed instructions for a complete and trouble-free bolt-on installation
• KEEPS ELECTRONIC SUSPENSION LIGHT OFF — A complete solution to keep the electronic suspension light off
• INCLUDES MONROE® MAX-AIR SHOCK — Assists in maintaining level ride height when under load with additional weight up to 1,200 lbs (capacity is limited by vehicle suspension, tires, and transmission – see vehicle owner’s manual for details)

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

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

Discover the difference Coil-Rite air helper springs can make in improving the ride, handling and braking of your vehicle. Coil-Rite air helper springs provide extra support for coil springs in cars, minivans, vans, light trucks, RV and SUV. The adjustable Coil-Rite air helper springs will level your vehicle, provide a smoother ride, and assist with more effective braking and handling, even under heavy loading and adverse road conditions. Coil-Rite air helper springs are designed to fit inside existing coil spring suspensions, creating a variable rate spring. These air helper springs are made of durable, elastic polyurethane, providing years of comfort and stability to your vehicle. Firestone Coil-Rite air helper springs enable adjustment for varying loads and road conditions by controlling the air pressure in the air helper springs. Spring performance can be altered as easily as inflating a tire. The air springs will support 500 To 1000 Pounds per set.

Product Features:

• Made Of Durable Polyurethane To Withstand The Rigors Of Coil-Sprung Suspensions
• Increase Vehicle Stability Absorbs Road Shock Providing A Smooth Ride For Passengers And Load
• Keep The Vehicle Level Improves Steering Control And Braking Effectiveness, Levels Headlight Beams And Reduces Tire Wear
• Reduce Bottoming Out, Protective Air Cushion Softens Contact Between The Axle And Frame
• Discover The Difference Coil-Rite Air Helper Springs Can Make In Improving The Ride, Handling And Braking Of Your Vehicle
• No Drill Installation
• Everything Is Included For A Quick, Easy Installation. Brackets, Air Springs, Hardware, Air Line, And Separate Valves For Manual Inflation

The original air compressor on certain GM vehicles fails due to burn out or moisture intrusion. This Dorman OE FIX features thermal protection software and an additional protective membrane to prevent future failures.

Product Features:

• Suspension Air Compressor
• Suspension Air Compressor, With Two Ping Assembly And Wire Harness: OE Fix
• The original air compressor on certain GM vehicles fails due to burn out or moisture intrusion. This Dorman OE FIX features thermal protection software and an additional protective membrane to prevent future failures.
• Upgraded replacement – this air compressor replaces and improves on the original part for certain Cadillac, Chevrolet and GMC vehicles
• Enhanced technology – features advanced thermal protection software to prevent future burn out

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

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)

Air Compressor

Arnott’s premium rear shock for GM vehicles equipped with air-assisted suspensions is an ideal replacement for a failing rear shock. This top-of-the-line shock, engineered in the USA, delivers control, stability, performance, and comfort. Arnott’s new aftermarket shock connects to the vehicle’s auto-leveling system with no modifications and includes a bypass resistor to turn off dashboard warning lights for the auto-damping control unit. These rear shocks should be replaced in pairs. Not applicable for vehicles w/Magneride suspension.

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.

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.

Valvoline DEX/MERC ATF is a high-quality transmission fluid formulated to meet the challenging demands many automatic transmissions. Its responsive low-temperature fluidity is beneficial in both electronic and hydraulic controlled transmissions and transaxles. Recommended for use in the following applications: MERCON®, DEXRON®-III, Ford M2C138-CJ and M2C166-H, Allison C-4 and TES-389, and Caterpillar TO-2.

Product Features:

• Formulated with premium 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

Max Performance Synthetic Power Steering Fluid

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

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

High-quality products that meet OE appearance and performance to provide professional technicians and DIYers with a cost-effective solution

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.

CARQUEST PREMIUM Chassis parts are engineered and benchmarked to Original Equipment (OE) performance standards. CARQUEST PREMIUM Chassis provides the installation benefits of the aftermarket while providing high-quality, proven reliability.  CARQUEST PREMIUM Chassis has been rigorously quality-tested, meeting or exceeding OE specifications.  CARQUEST PREMIUM Chassis parts have been designed to provide a stable and safe ride to meet customer expectations and  perform the way professional technicians demand.

Product Features:

• OE matched design for Form, Fit, and Function
• Engineered to reduce road noise and provide a stable ride.
• Hardware included for easier installation (where applicable)