2021 GMC Sierra 1500 Rear Shock and Struts

Your 2021 GMC Sierra 1500 might be the best vehicle you’ve ever owned. Or you may just be struggling to keep it highway-approved. No matter the situation, Advance Auto Parts has the Rear Shock and Struts you desperately need.

We currently carry 9 Rear Shock and Struts to choose from for your 2021 GMC Sierra 1500, and our inventory prices range from as little as $82.99 up to $236.99.

On top of low prices, Advance Auto Parts offers 3 different trusted brands of Rear Shock and Struts for the 2021 GMC Sierra 1500. We only sell parts from trusted brands like Monroe so that you can find quality parts you can count on.

Don’t take our word for it – check out customer ratings and reviews to buy with confidence. We have 570 reviews on our Rear Shock and Struts for the 2021 GMC Sierra 1500 from previous customers.

Have parts delivered straight to your home, or find the nearest Advance Auto Parts store to check out our Rear Shock and Struts stock in-person!

Rear Shock and Struts for Your 2021 GMC Sierra 1500

Rancho – RS9000XL Shock Absorber (Part No.RS999198)

RS9000XL Shock Absorber

from

$161.99
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
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Monroe – Reflex Monotube Shock Absorber (Part No.911533)

Reflex Monotube Shock Absorber

from

$89.99
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
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Rancho – RS5000X Shock Absorber (Part No.RS55269)

RS5000X Shock Absorber

from

$82.99
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
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Rancho – RS9000XL Shock Absorber (Part No.RS999269)

RS9000XL Shock Absorber

from

$142.99
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
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Monroe – Magnum Light Truck Shock Absorber (Part No.552001)

Magnum Light Truck Shock Absorber

from

$106.99
Magnum Light Truck Shock Absorber

FOX Offroad Shocks – Hydraulic/Nitrogen Gas Charged, Smooth Body Style, Without Reservoir, Single (Part No.985-24-209)

Hydraulic/Nitrogen Gas Charged, Smooth Body Style, Without Reservoir, Single

from

$236.99
Product Features:
  • Body – Metal Impacted 6061-T6 Aluminum Will Resist Rust Over Time
  • Body Plating , Clear-Anodized For A Durable Finish
  • Components, Black Anodized, CNC Machined 6061-T6 Billet Aluminum
  • 5/8 Inch Hard Chrome Plated Heat-Treated Alloy Steel
  • Race-Developed High-Flow Piston Design
  • Redundant Sealing Pack System Main Seal, Wiper Seal, Scraper Seal
  • Oil JM92 Advanced Suspension Fluid For Improved Performance At Variable Temperatures
  • Bushings, Quiet Nitrile Rubber Allows For Increased Suspension Articulation
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Rancho – Shock Absorber (Part No.RS77269)

Shock Absorber

from

$108.99
Shock Absorber

Rancho – Shock Absorber (Part No.RS77198)

Shock Absorber

from

$101.99
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
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Rancho – Rancho Shock (Part No.RS55100)

Rancho Shock

from

$89.99
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
See More

FAQs for 2021 GMC Sierra 1500 Rear Shock and Struts

What are the most popular Rear Shock and Struts for the 2021 GMC Sierra 1500?

With 3 brands you can trust, our most popular Rear Shock and Struts for the 2021 GMC Sierra 1500 parts are:
Reflex Monotube Shock Absorber
from $89.99
(49)
Reflex Monotube Shock Absorber
Rear Shock and Struts
RS5000X Shock Absorber
from $82.99
(5)
RS5000X Shock Absorber
Rear Shock and Struts
RS9000XL Shock Absorber
from $142.99
(2)
RS9000XL Shock Absorber
Rear Shock and Struts