1990 GMC S15 Suspension Parts

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)

Belltech Leaf Springs by recalculating the arch of the Leaf Spring and compensating with the appropriate Spring rate through the latest manufacturing techniques, Belltech leaf springs are designed to lower the rear of your Truck and retain your smooth factory ride. All leaf springs come complete with OEM quality rubber bushings.

Product Features:

• E-Coated Finish
• All Belltech Leaf Springs Are Direct OEM Replacements And Come Complete With High Quality OEM Style Rubber Bushings
• Built To SAE Standards
• Direct Replacement
• Application Specific
• Easy Installation

Belltech introduces an advanced lowering kit which includes Belltech high quality coil springs and vehicle specific upper spring or strut mount spacers.

Product Features:

• Combine With Other Lowering Components For Addition Lowering
• Each Coil Is Manufactured From Chromium Alloy Steel And Is Wound, Shot Peened Then Powder Coated To Exact Specifications To Assure The Proper Ride Height, Ride Quality
• Engineered For Performance And Comfort
• Lower Center Of Gravity
• Reduce Body Roll

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

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.

Product Features:

• Incredible Improvement in Control
• Maintains Proper Caster and Camber Alignment
• Increase in Handling and Control
• Greatly Reduce Wheel Hop on Quick Acceleration
• Even Braking Control is Improved
• Better Suspension Stability

Product Features:

• Premium components and our own manufactured circuit board ensure precise operation, reliability, and extra durability for a longer service life
• Our electronic voltage regulator PC boards are encapsulated in epoxy to deliver improved performance and resistance to failure that may be caused by vibration and corrosion of electrical connections
• All parts are manufactured to stringent quality requirements. Our plants are TS16949 and ISO9001 certified which ensures that every part is the right part for the right vehicle.

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® 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

TRW control arms can help improve fuel economy, emissions, energy savings, driving comfort and most important, safety. TRW provides hardware kits as standard on all ball joints, installation instructions and catalog information in all formats. Upper and lower Control Arms designed as:

Product Features:

• Aluminium forged Control Arms
• Aluminium cast Control Arms – low weight/high performance
• Steel forged Control Arms
• Steel stamped Control Arms Ball Joints include the latest state-of-the-art high performance designs:
• Temperature resistant
• Low-torque/high comfort solution
• Ball stud diameters ranging from 25 to 42mm
• Integral and non-integral designs Built in Bushes:
• Rubber Bushes
• Rubber and Metal Bushes
• Hydraulic Bushes

Made of superior Hyper-Flex material. Saves replacing again and again, lasting 3 to 10 times longer. Assemble to chassis the same way as OEM isolators and do not adversely change ride characteristics.

Product Features:

• Made of Superior Hyper-Flex+ Material
• Lasts from 3 to 10 Times Longer
• Assemble to Chassis Same Way as OEM
• Maintains Factory Ride Characteristics
• Simple Way to Increase Vehicle Height

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

Product Features:

• REDUCES SAG UNDER LOAD — Ideal for occasionally hauling or towing varying loads, heavy gauge, calibrated coil spring reduces sag when loaded up to 1,200 lbs. (capacity limited by suspension, tires and transmission, see owner’s manual)
• EXCEPTIONAL HANDLING — Tuned specifically for each application, full-displaced valving automatically adjusts to road extremes to provide ride consistency
• CONSISTENT RIDE — OE all-weather fluid contains special modifiers to handle extreme temperatures and PTFE-banded piston helps reduce friction between the piston and pressure tube to enhance responsiveness to changing road surfaces
• LONGER SERVICE LIFE — Self-lubricating fluid seal retains gas and reduces excessive friction against the piston rod to help reduce premature wear while heavy-duty nitrocarburized rod delivers long life
• IMPROVES PERFORMANCE — Nitrogen gas-charge maintains tire-to-road contact for improved ride and handling by reducing aeration and shock fade
• Nitrogen Gas Charged: For Improved Ride & Handling, Helps Maintain Tire To Road Contact By Reducing Aeration – On Most Applications
• 5/8 nitrocarburized rod for long service life.
• Special Seal: ‘Self-lubricating’ fluid seal designed to retain gas without excessive wear or friction.

TRW sets the standard within the Aftermarket, with tests that go beyond the ordinary to ensure every chassis part we produce meets stringent vehicle manufacturer quality standards, in line with the Original Equipment specification. To help make sure that our parts can go the distance, TRW utilizes on the road tests and the most advanced test machines available, in both our Original Equipment and Aftermarket facilities as well as by independent testing labs. So you can be sure that TRW parts are tested for your safety. The TRW Control Arm Stop is a direct fit OEM replacement that contains the same high quality craftsmanship and materials as the original equipment they replace.

Product Features:

• OE-Equivalent and a direct fit application.
• Meets or exceeds the OE specifications.
• Acoustic measurements to ensure driver comfort
• Strength tests for durability
• Environmental resistance tests for all weather conditions
• Wear and drive tests
• Assembly technique testing of all critical safety features
• Dynamic testing of complete units to ensure leak free performance
• Extensive on-road testing at TRW tracks around the world

This suspension control arm shaft kit is precision-engineered and rigorously tested to provide reliable replacement for the original equipment on specific vehicles.

Product Features:

• Direct replacement – fits and performs like the original equipment control arm shafts on specific vehicles
• Reliable fit – precision-engineered to match the design and dimensions of original components
• Durable construction – manufactured to strict standards using sturdy, safe materials
• Rigorously tested – thorough quality control measures ensure longevity

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

Adds a dramatic amount of performance and durability to any vehicle, cars, trucks and SUVs. Helps the vehicle be in control – when maneuvering through turns, during standing start accelerations, braking, even over bumps and berms. Made of Energy’s Hyper-Flex performance polyurethane which lasts 5 -10 times longer than conventional rubber components.

Product Features:

• Made of Superior Hyper-Flex+ Material
• Adds Dramatic Amount of Performance/Durability
• Helps Vehicle Be in Control
• Allows the Suspension to Function Properly

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

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

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

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

Specifically engineered to provide better handling, control and performance for light trucks and SUVs, Monroe® Reflex® monotube shocks feature a high-pressure gas to provide additional spring rate, helping to maximize damping efficiency and control.

Product Features:

• MAINTAINS VEHICLE CONTROL — Monotube technology maintains vehicle control over bumps, dips and potholes for vehicles originally equipped with monotube shocks and struts
• IMPROVED IMPACT ABSORPTION — Hydraulic lock-out isolates suspension impact and helps maintain vehicle integrity (where applicable)
• CONSISTENT RIDE — High temperature OE all-weather fluid contains special additives to assist with extreme temperatures and help reduce oil breakdown
• EXCELLENT RESPONSE AND STABILITY — High-pressure nitrogen charge provides a quicker response for excellent vehicle control
• BUILT TO LAST — High-strength shock housing and hardened, chrome-plated piston rod provide durability and longer service life
• CONTROL AND DURABILITY — Fluon-banded piston provides consistent sealing between piston and pressure tube for better control and increased durability
• REDUCED SHOCK FADE AND AERATION — Free floating dividing piston separates shock fluid from high-pressure gas charged to reduce shock fade and aeration

Belltech Lowering Blocks provide an inexpensive, easy to install way to lower your vehicle by increasing the distance between the leaf spring and the axle, effectively lowering the vehicle.

Product Features:

• Extruded Aluminum Construction
• Fits Most Mini/Mid-Size Trucks W/ 3 Inch Axle Tube
• Lowering Blocks Are Designed To Lower The Rear Of Your Vehicle In 1,2 Or 3 Inch Increments

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
• Engineered to provide long life and dependability
• Construction and design validated by MOOG engineers
• Incorporates proven design and engineering features

Engineered to get more miles from your car, Monro-Matic® PLUS shocks are equipped with nitrogen gas charge and feature Velocity Proportional Valving (VPV) technology for improved comfort at an economical price.

Product Features:

• CONSISTENT RIDE — Velocity Proportional Valving (VPV) technology and all-weather fluid containing special additives to reduce friction and ensure smooth rod reaction and an overall smoother ride
• RELIABLE PERFORMANCE — Nitrogen gas-charge maintains tire-to-road contact for improved ride and handling by reducing aeration
• RESTORES RIDE AND HANDLING — Larger bore provides more efficient damping control to provide consistency and a smooth ride (where applicable)
• BUILT TO LAST — Self-lubricating fluid seal retains gas and reduces excessive friction against the piston rod to help reduce premature wear while banded piston and bronze reinforced guide provide durability
• GET MORE MILES FROM YOUR RIDE — Designed and validated to meet OE spec and deliver consistent performance

The shock that started it all! Rancho® RS5000 series has been the shock of choice for light trucks and sport utility vehicles since 1985. Available for stock and lifted applications, RS5000 is ideal for on and off-road use, at an affordable price.

Product Features:

• Ten-stage velocity sensitive valving – Provides tuning specific for each vehicle
• 5/8-in. (16mm) diameter piston rod (select applications) – Adds strength and durability. Size varies by application.
• 1 3/8-in. (35mm) diameter piston (select applications) – Ensures performance in any environment
• Protective boot included – Protects the shock rod and oil seal

The KYB Gas-a-just monotube truck shock absorber has additional performance advantages over the twin-tube design: It can instantly, automatically adjust to your performance needs and never experiences fade due to aeration. The Gas-a-Just is available as an OE monotube replacement and as an OE twin-tube performance upgrade. The KYB Gas-a-Just has two separate working chambers: An air-free hydraulic piston and valve area for responsiveness and control, and a second high-pressure nitrogen gas area with a floating piston that provides a comfortable ride during normal driving and adds instant performance on demand.

Product Features:

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

Ride Comfort may be important, but restoring a vehicles Ride Control, stability, stopping, lane change responsiveness and handling is critical. KYB Excel-G Shocks and Struts are designed for the most important performance purpose: Restoring the vehicles original capabilities. KYB is a world leading supplier of shocks and struts to new vehicle manufacturers and the Excel-G is made on the very same KYB OE assembly lines, uses the same OE quality components and is calibrated to restore original, designed performance, not change it. That has earned Excel-G the classification: OEA (Original Equipment for the Aftermarket). The KYB Excel-G is a nitrogen gas-charged, twin-tube design that includes every quality component that our global OEM products include and it is the preferred choice by professional technicians.

Product Features:

• KYB Recommended Orem Replacement Shock
• The KYB Excel-G Helps Restore The Designed Control And Handling Of Your Gm S-Series Truck
• The KYB Excel-G Uses A Triple Lip Fluid Seal To Reduce The Chance Of Oil And Gas Leaking Out
• Vehicle Specific, Hand Assembled, In-House Damping Valves Correctly Manage Tire Contact, Steering Response And Body Movement
• Electronic Safety Systems Depend On The Suspension, Brakes And Tires Operating As The Vehicle Manufacturer Intended. The KYB Excel-G Helps Keep Electronic Safety Systems Performing As Designed.
• KYB Has The Strongest And Thickest Strut Bodies And Brackets In The Industry; Minimizing Flex To Maintain Correct Alignment In All Conditions
• To Reduce The Chance Of Noise And Vibration KYB Recommends Installing New Strut Mounts, Part Number: Sm5042

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