2023 GMC Sierra 3500 HD 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.

Featuring a unique, exclusive valving system and advanced compression functionality, Rancho® RS5000®X shocks deliver improved overall on- and off-road handling and performance.

Product Features:

• IMPROVED HANDLING AND PERFORMANCE — Cross Tuned technology featuring exclusive rebound valving system and advanced compression phase improves overall handling and performance on and off road
• MINIMIZES ROUGH RIDE — Exclusive Progressive Engagement Valving is custom-tuned for each vehicle to help reduce initial impacts at low speeds and minimizes a rough ride
• STRONG AND DURABLE — Features a 16mm nitro-carburized piston rod to resist scuffs & corrosion, double-welded loops at stress areas, 35mm sintered iron piston for enhanced structural integrity and polyvinyl protective boot
• HANDLES EXTREME TEMPERATURE CHANGES — Large twin-tube body 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 rubber bushings help absorb ride harshness while the fluon-banded piston enhances responsiveness to changing road conditions for an overall smoother ride
• REDUCES FADE — Nitrogen gas pressurized to 150 PSI to minimize air-to-oil mixture to reduce damping performance fade and foaming
• MAINTAINS VEHICLE CONTROL — Compression Control Valve is custom-tuned for each vehicle to regulate fluid transfer to absorb impacts without disc flutter and help maintain shock motion control
• BUILT TO LAST — Low-friction, self-lubricating seal retains gas and oil for quicker rebound and smoother compression while the application-specific piston delivers heightened control of shock motion due to the expanded piston area
• Rebound Bumper

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 Full-Size Gm 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

The performance specific internal components of Skyjacker shocks respond to the on- and off-road conditions instantly. Whether you are going over rough or smooth terrain at slow or fast speeds, the true velocity sensitive valving produces a stable, controlled level of resistance for better handling, improved stability, and maximum comfort. The technological innovations of these durable, long lasting shocks from Skyjacker(R) deliver a noticeable advantage over the original equipment and other shock dampeners. Skyjacker shock absorbers deliver a safe, comfortable ride with improved handling and stability. They keep the tires in contact with the terrain and put you in control of the road ahead.

Product Features:

• Twin Tube Construction
• Advanced Foam-Cell Technology
• Vehicle Specific Multi-Stage Valving
• Increased Fluid Capacity For MAX Heat Dissipation
• 360 Degree Arc-Welded End Mount And 180 Degree Directional Mounting
• Chrome Plated Shaft And Sintered Iron Piston
• Comes With Black Boot

Featuring a unique, exclusive valving system and advanced compression functionality, Rancho® RS5000®X shocks deliver improved overall on- and off-road handling and performance.

Product Features:

• IMPROVED HANDLING AND PERFORMANCE — Cross Tuned technology featuring exclusive rebound valving system and advanced compression phase improves overall handling and performance on and off road
• MINIMIZES ROUGH RIDE — Exclusive Progressive Engagement Valving is custom-tuned for each vehicle to help reduce initial impacts at low speeds and minimizes a rough ride
• STRONG AND DURABLE — Features a 16mm nitro-carburized piston rod to resist scuffs & corrosion, double-welded loops at stress areas, 35mm sintered iron piston for enhanced structural integrity and polyvinyl protective boot
• HANDLES EXTREME TEMPERATURE CHANGES — Large twin-tube body 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 rubber bushings help absorb ride harshness while the fluon-banded piston enhances responsiveness to changing road conditions for an overall smoother ride
• REDUCES FADE — Nitrogen gas pressurized to 150 PSI to minimize air-to-oil mixture to reduce damping performance fade and foaming
• MAINTAINS VEHICLE CONTROL — Compression Control Valve is custom-tuned for each vehicle to regulate fluid transfer to absorb impacts without disc flutter and help maintain shock motion control
• BUILT TO LAST — Low-friction, self-lubricating seal retains gas and oil for quicker rebound and smoother compression while the application-specific piston delivers heightened control of shock motion due to the expanded piston area
• Rebound Bumper

Ideal for vehicles with a higher center of gravity, Monroe® Reflex® light truck shock absorbers feature ASD valving technology that automatically adjusts the unit to absorb the impact, helping to reduce vehicle roll and dive.

Product Features:

• IMPROVES STABILITY — ASD (Acceleration Sensitive Damping) valving technology adjusts to impacts, reducing roll and dive for vehicles with a higher center of gravity
• EXCEPTIONAL HANDLING — Full displaced valving, tuned specifically to each vehicle, adjusts to road extremes while the larger bore provides more efficient damping control to provide consistency and a smooth ride
• CONSISTENT RIDE — OE all-weather fluid contains special additives to assist with extreme temperatures and help reduce oil breakdown while larger reserve tube holds more fluid to run cooler
• CONTROL AND DURABILITY — Fluon-banded piston provides consistent sealing between piston and pressure tube for better control and increased durability
• IMPROVES PERFORMANCE — Nitrogen gas charge maintains tire-to-road contact for improved ride and handling by reducing aeration
• 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.

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

Featuring a unique, exclusive valving system and advanced compression functionality, Rancho® RS5000®X shocks deliver improved overall on- and off-road handling and performance.

Product Features:

• IMPROVED HANDLING AND PERFORMANCE — Cross Tuned technology featuring exclusive rebound valving system and advanced compression phase improves overall handling and performance on and off road
• MINIMIZES ROUGH RIDE — Exclusive Progressive Engagement Valving is custom-tuned for each vehicle to help reduce initial impacts at low speeds and minimizes a rough ride
• STRONG AND DURABLE — Features a 16mm nitro-carburized piston rod to resist scuffs & corrosion, double-welded loops at stress areas, 35mm sintered iron piston for enhanced structural integrity and polyvinyl protective boot
• HANDLES EXTREME TEMPERATURE CHANGES — Large twin-tube body 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 rubber bushings help absorb ride harshness while the fluon-banded piston enhances responsiveness to changing road conditions for an overall smoother ride
• REDUCES FADE — Nitrogen gas pressurized to 150 PSI to minimize air-to-oil mixture to reduce damping performance fade and foaming
• MAINTAINS VEHICLE CONTROL — Compression Control Valve is custom-tuned for each vehicle to regulate fluid transfer to absorb impacts without disc flutter and help maintain shock motion control
• BUILT TO LAST — Low-friction, self-lubricating seal retains gas and oil for quicker rebound and smoother compression while the application-specific piston delivers heightened control of shock motion due to the expanded piston area
• Rebound Bumper

Gas-charged shock absorber that provides improved vehicle control for today’s light trucks, vans, full-size picks-ups and 4×4’s at an economical price.

Product Features:

• Available for import and domestic trucks, vans, full-size pick-ups and 4×4’s
• Gas-charged unit
• Improved handling and control
• Economical OE replacement
• Meets OE product specifications

Tough conditions demand tough truck shocks. The large bore KYB MonoMax provides the additional stability that heavier, more powerful or high center of gravity vehicles demand. The KYB MonoMax is a heavy duty monotube shock absorber that provides the most handling, control and durability of any KYB shock; and its just for trucks. The MonoMaxs tough design automatically adjusts to driving conditions with fade-free performance. The KYB MonoMax has an outstanding reputation for vehicles that do real work, go off-road, tow a trailer or haul heavy loads. It uses a work-ready, zinc-coated steel piston ring and includes an off-road dust boot.

Product Features:

• Maximum Performance Upgrade With Up To 40% More Damping Performance Than Standard Shock Absorbers
• Perfect Solution When You Need To Upgrade Suspension Performance On Your Gm Truck
• Truck Monotube Design Outperforms All Other Standard Shock Absorbers
• Zinc-Coated, Stainless Steel Piston Ring Provides A Positive Seal In The Most Extreme Conditions
• Rubber Boot To Protect The Shaft And Keep Dirt And Debris Away From The Seals
• Engineered To Help Vehicles With Electronic Safety Systems (Esc, Abs, Etc.)

Ideal for vehicles with a higher center of gravity, Monroe® Reflex® light truck shock absorbers feature ASD valving technology that automatically adjusts the unit to absorb the impact, helping to reduce vehicle roll and dive.

Product Features:

• IMPROVES STABILITY — ASD (Acceleration Sensitive Damping) valving technology adjusts to impacts, reducing roll and dive for vehicles with a higher center of gravity
• EXCEPTIONAL HANDLING — Full displaced valving, tuned specifically to each vehicle, adjusts to road extremes while the larger bore provides more efficient damping control to provide consistency and a smooth ride
• CONSISTENT RIDE — OE all-weather fluid contains special additives to assist with extreme temperatures and help reduce oil breakdown while larger reserve tube holds more fluid to run cooler
• CONTROL AND DURABILITY — Fluon-banded piston provides consistent sealing between piston and pressure tube for better control and increased durability
• IMPROVES PERFORMANCE — Nitrogen gas charge maintains tire-to-road contact for improved ride and handling by reducing aeration
• 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.

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 Full-Size Gm 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

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.

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

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

Ride Rite(TM) air helper springs mount between the frame and the suspension of light trucks, vans, and motor homes. The heavy duty convoluted air springs will handle all leveling needs with load carrying capacities between 3200 to 5000 Pounds per set.

Product Features:

• Level The Vehicle Front To Rear And Side To Side
• Adjustability 5 To 100 PSI
• Stabilize The Vehicle While Loaded
• Maximize Vehicles Load Carrying Capacity
• Everything Is Included For A Quick, Easy Installation. Brackets, Air Springs, Hardware, Air Line, And Separate Valves For Manual Inflation

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

The ReadyLift(R) Torsion Bar Key kits consist of a set of re-engineered forged torsion adjustment keys along with shorter bolts to prevent over rotation of the Torsion Bars. Some vehicle specific kit also feature front shock relocation brackets. This design levels out the front of all Torsion Bar equipped 2WD and 4WD trucks and SUVs without compromising the OEM factory ride and allows for up to 33 Inch tall tires with wheel combinations up to 9 Inch Wide. These forged keys exceed manufacturer strength standards and are guaranteed for life. ReadyLift Torsion Keys use manufacturing, materials and tolerances in order to increase the strength of our keys. In addition to forging the keys using High Carbon Steel, the Torsion Key to Torsion Bar tolerances are extremely tight to insure the integrity of the key or Torsion Bar relationship. These tight tolerances GM blue print tolerances from bar to key is 17/1000 THS Increase the surface area contact between the Torsion Key and bar, increasing the strength of the overall design and improving functionality. In order to keep these tight tolerances, occasionally a mallet must be used during installation to fit the Torsion Key on to the bar.

Product Features:

• Guaranteed To Keep Your Factory Ride
• Guaranteed To Never Wear Or Break Or Fail
• Guaranteed Toughest Finish
• Guaranteed Safest Way To Level Lift

The Firestone Ride-Rite All-In-One Analog Kit, part, comes with everything you need to level off-center loads, increase ride quality and encourage road safety when hauling and towing. All-In-One kits save you from having to shop for individual parts and are more affordable than purchasing parts separately. Plus, Firestone All-In-One kit elements are designed for ultimate compatibility, so you enjoy the most streamlined product installation and performance. GMC/Chevrolet Firestone Ride-Rite All-In-One Analog Kits pair a Ride-Rite air helper spring kit with an air compressor in one easy-to-install package. The Ride-Rite kit uses air pressure to balance off-center loads, reduce stress on the suspension system and encourage vehicle confidence. Subsequently, your ride comfort is positively impacted.

Product Features:

• Provides An Instant Air Source For The Air Helper Springs Or Accessories
• No Drill Design
• Easy To Install

Leveraging our history of providing high-performance air springs for the commercial trucking industry, we engineered our toughest line of light-duty aftermarket air springs, RED (TM) Label. These air spring kits are made with commercial-grade materials and can level up to 7500 pound. RED Label air spring kits utilize a pair of convoluted air springs, to raise your truck back up to manufacturers height while hauling or towing heavy. They are built to extreme specifications found in the most demanding applications. The same rubber from our Airide (TM) product line used on commercial trucks around the world paired with a commercial grade cord which gives you added durability and performance.

Product Features:

• Utilize High Strength Steel Alloy Brackets
• Enhanced Coating Technology Protects Against Elemental Conditions, Such As Corrosive DeIcing Agents And Salt Spray
• Handle Up To 150 PSI And Level Loads Up To 7500 Pound

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

Max Performance Synthetic Power Steering Fluid

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

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