1991 GMC G2500 Suspension Parts

Designed for midsize and full-size trucks and vans, Monroe® Gas-Magnum® shock absorbers provide firm control without a harsh ride. With up to twice the fluid capacity of standard 1-in. bore shocks, they work more efficiently with less effort.

Product Features:

• DESIGNED FOR TRUCKS AND VANS — Engineered for hardworking full-size trucks and vans and features full-displaced valving on compression cycles to deliver controlled ride and handling
• BUILT TO LAST — Heavy-duty nitrocarburized rod (non-dust shield units only) and sintered iron piston enhance durability for longer service life while self-lubricating fluid seal reduces friction against piston rod to reduce wear
• CONSISTENT RIDE — OE all-weather fluid contains special modifiers to handle extreme temperatures and help reduce friction and ensure smooth rod reaction
• IMPROVES PERFORMANCE — Nitrogen gas-charge maintains tire-to-road contact for improved ride and handling by reducing aeration and shock fade
• LONGER SERVICE LIFE — Larger bore and bigger 2-in. reserve tube work together to hold more oil for greater capacity to allow the shock to work efficiently for controlled ride and longer service life
• Nitrogen Gas Charged: For improved ride and handling, helps maintain tire to road contact by reducing aeration – on most applications
• Sintered Iron Piston: Stronger than traditional metals, enhances durability for longer service life.
• Special Seal: ‘Self-lubricating’ fluid seal designed to retain gas without excessive wear or friction.

Monroe® Shock-Mate® Shock Absorber Boot Kits are universal replacement shock boots use to protect the shock’s piston rod from dirt, mud and other contaminants – protecting the life of your shocks.

Product Features:

• Protects the shock’s piston rod from damage
• Universal design for easy installation
• Tie-strap included for a secure fit
• Constructed from high quality urethane for maximum durability
• Multiple color choices available

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.

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

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

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, RVs and SUVs. 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

This high quality chassis part will improve overall vehicle handling, reduce tire wear and increase the life of other steering and suspension components. These chassis parts are manufactured to meet or exceed OEM.

Product Features:

• Reduces vibration
• Torsional rubber bushings
• UV resistant
• No Squeak

Backed by superior materials and rigorous testing, MOOG control arm bushings deliver reliable performance you can count on. MOOG problem-solving innovations ensure fast, hassle-free installation.

Product Features:

• HIGHLY PRECISE ENGINEERING — Optimized for quiet operation and resistance to wear, salt, road grime and oils
• PREMIUM MATERIALS — Made from high-quality elastomer compounds for durability and ride performance
• OE-STYLE DESIGN — Engineered to match or exceed OE requirements
• RIGOROUS TESTING — Comprehensive testing throughout design and development processes by MOOG engineers for quality you can count on
• Metal rib design helps lock the inner tube within frame pocket
• Metal surfaces are phosphate coated for corrosion protection

Monroe® Shock-Mate® Shock Absorber Boot Kits are universal replacement shock boots use to protect the shock’s piston rod from dirt, mud and other contaminants – protecting the life of your shocks.

Product Features:

• Protects the shock’s piston rod from damage
• Universal design for easy installation
• Tie-strap included for a secure fit
• Constructed from high quality urethane for maximum durability
• Multiple color choices available

By constantly introducing design enhancements that extend product life and simplify installation and replacement, MOOG has earned its reputation as the chassis industry’s Problem Solver.

Product Features:

• 100% Load tested
• Easy to install
• Provides like-new steering
• Designed to lower stresses for longer service life
• Worn or sagging coil springs can cause premature tire wear due to vehicle misalignment

By constantly introducing design enhancements that extend product life and simplify installation and replacement, MOOG has earned its reputation as the chassis industry’s Problem Solver.

Product Features:

• 100% Load tested
• Easy to install
• Provides like-new steering
• Designed to lower stresses for longer service life
• Worn or sagging coil springs can cause premature tire wear due to vehicle misalignment

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.

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.

By constantly introducing design enhancements that extend product life and simplify installation and replacement, MOOG has earned its reputation as the chassis industry’s Problem Solver.

Product Features:

• Easy to install
• Restores like-new steering and handling
• Construction and design validated by MOOG engineers
• Loose or worn chassis parts can lead to premature tire wear
• Incorporates proven design and engineering features

By constantly introducing design enhancements that extend product life and simplify installation and replacement, MOOG has earned its reputation as the chassis industry’s Problem Solver.

Product Features:

• Easy to install
• Restores like-new steering and handling
• Construction and design validated by MOOG engineers
• Loose or worn chassis parts can lead to premature tire wear
• Incorporates proven design and engineering features

This high quality chassis part will improve overall vehicle handling, reduce tire wear and increase the life of other steering and suspension components. These chassis parts are manufactured to meet or exceed OEM.

Product Features:

• Rubber or Heat Treated bushings
• No Squeak
• Reduces vibration

This high quality chassis part will improve overall vehicle handling, reduce tire wear and increase the life of other steering and suspension components. These chassis parts are manufactured to meet or exceed OEM.

Product Features:

• Rubber or Heat Treated bushings
• No Squeak
• Reduces vibration

By constantly introducing design enhancements that extend product life and simplify installation and replacement, MOOG has earned its reputation as the chassis industry’s Problem Solver.

Product Features:

• Easy to install
• Restores like-new steering and handling
• Construction and design validated by MOOG engineers
• Loose or worn chassis parts can lead to premature tire wear
• Incorporates proven design and engineering features

Control Arm Shaft Ki

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)

Ideal for vehicles with a higher center of gravity, Monroe® Reflex® shocks and struts valving technology automatically adjusts the unit to absorb the impact, helping to reduce vehicle roll and dive. These units provide greater control for improved handling and vehicle stability.

Product Features:

• ASD Technology: Innovative valving provides greater control for handling, while improving ride comfort.
• All Weather Fluid: Contains special modifiers to reduce friction and ensure smooth rod reaction.
• Fluon Banded Piston: The fluon band provides consistent sealing between the piston and pressure tube which delivers better control and increased durability.
• Full Displaced Valving: Tuned specifically for each application, this valving automatically adjusts to road extremes to provide consistency and ride
• Nitrogen Gas Charged: For improved ride and handling, helps maintain tire to road contact by reducing aeration – on most applications
• 2-1/4 inch or 2 inch Diameter Reserve Tube: Allows more fluid carrying capacity for a cooler running unit.
• 1-3/8 inch Bore: Lower operating pressure than standard 1 inch bore units
• 5/8 inch Piston Rod: Heavy-duty nitrocarburized rod for long service life. On non-dust shield units only
• Special Seal: ‘Self-lubricating’ fluid seal designed to retain gas without excessive wear or friction.

Get premium control and performance with Rancho RS9000®XL shocks. Recognized as the first nine-position manually adjustable ride control series in the off-road market, RS9000XL shocks are ideal for on- and off-road use, towing and more.

Product Features:

• NINE LEVELS OF PERFORMANCE — Nine-position easy-to-adjust knob allows customized damping control and firmness for on-road and off-road flexibility
• DESIGNED FOR HARDWORKING VEHICLES — Ideal for stock or lifted trucks, SUVs and Jeeps that tow, haul or go off road
• INDUSTRY FIRST — Recognized as the first nine-position manually adjustable shock series in the off-road market
• REDUCES FADE — Nitrogen gas pressurized to 120 PSI to minimize air-to-oil mixture and reduce damping performance fade and foaming
• STRONG AND DURABLE — Features an application-specific 18mm nitro-carburized piston rod to resist scuffs and corrosion, double-welded loops at stress areas and 1.25-in. sintered iron piston for enhanced structural integrity
• HANDLES EXTREME TEMPERATURE CHANGES — Up to 2.75-in. tri-tube body (application specific) filled with all-weather fluid allows for cooler operation, increased vehicle control and ability to withstand internal temperatures of -40 to 248°F
• SMOOTH PERFORMANCE — Polyurethane rebound bumper and bushings and graphite-filled fluon-banded piston help absorb ride harshness and enhance responsiveness to changing road conditions for an overall smoother ride
• BUILT TO LAST — Low-friction, self-lubricating seal retains gas and oil for quicker rebound and smoother compression while the long-lasting premium liquid metallic finish and polyvinyl protective boot ensures long life

Application tuned for precision on-road and off-road handling, Rancho RS7MT monotube shocks are highly effective in the dissipation of heat, making them ideal for extreme off-road use and larger wheel and tire packages. RS7MT shocks feature an integrated

Product Features:

• PRECISE HANDLING AND PERFORMANCE — Deflective Disc Valving features digressive, linear or progressive turning based on application requirements for precision handling and performance on and off road
• STRONG AND DURABLE — Features a 14mm hardened chrome piston rod to resist scuffs & corrosion, double-welded loops at stress areas, double strength closure method and hot form reserve tube
• HANDLES EXTREME TEMPERATURE CHANGES — Large 2-in. monotube body filled with all-weather fluid allows for cooler operation, increased vehicle control and ability to withstand internal temperatures of -40 to 248°F
• REDUCES FADE — Full-floating dividing piston and high-pressure nitrogen gas maintains constant pressure against the hydraulic oil, reducing aeration and shock fade
• SMOOTH PERFORMANCE — Internal rebound bumper and shouldered rubber bushings help reduce noise, vibration and ride harshness while the PTFE-banded piston enhances responsiveness to changing road conditions for an overall smoother ride
• THE RIGHT FIT — Designed to fit right out of the box, application-specific mounting installs easily with no need for installing sleeves or extra hardware
• KEEPS DIRT AND DEBRIS OUT — Sealing system with integrated dirt wiper helps keep moisture, dirt and debris from being ingested into the shock and contaminating the oil and destroying the internal seal
• BUILT TO LAST — Large 46mm fluon-banded piston for consistent sealing between the piston and monotube for precise control, ride and handling, for extra protection black shock boot RS1952 and RS1961 are available for purchase
• BOLD APPEARANCE– Black satin finish with distinctive Rancho red logo for an eye-catching look that stands out

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

Product Features:

• Available for import and domestic light trucks and vans
• Gas-charged unit
• Improved handling and control
• Economical OE replacement
• Meets OE product specifications

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
• Provides An Instant Air Source For The Air Helper Springs Or Accessories
• Single Point Fill (Both Air Springs Fill To The Same Pressure)
• Light Duty Compressor Specs (120 Pounds Per Square Inch Max Air Pressure, 9 Percent Duty Cycle, 0.32 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)

While your vehicle trusts Firestone Ride-Rite (TM) air helper springs to deliver on-the-road control, confidence, and comfort, you trust Firestone Air Command (TM) products to take your experience to the next level. You look to air accessories like the Xtreme Air Cmd-S Compressor System. With the Xtreme Air Cmd-S Compressor System, you can easily modify your air spring inflation by pressing a button. It equips your vehicle suspension system with an instant air source, making it easy to modify your springs to fit the road conditions and load type. You’ll find that the Firestone Xtreme Air Cmd-S Compressor System features some very user-friendly advantages. Unpackage the Xtreme Air Cmd-S Compressor System and enjoy an easy installation, so you can get it set up and be back on the move. 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 cleaner routing of power supply and lines.

Product Features:

• Controls Two Air Springs Simultaneously
• 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
• Single Point Fill (Both Air Springs Fill To The Same Pressure)
• Extreme Duty Compressor Specs (150 Pounds Per Square Inch Max Air Pressure, 100 Percent Duty Cycle, 0.94 CFM)

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)