1991 GMC K1500 Rear Shock and Struts
Your 1991 GMC K1500 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 17 Rear Shock and Struts to choose from for your 1991 GMC K1500, and our inventory prices range from as little as $32.99 up to $161.99.
On top of low prices, Advance Auto Parts offers 4 different trusted brands of Rear Shock and Struts for the 1991 GMC K1500. 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 1,136 reviews on our Rear Shock and Struts for the 1991 GMC K1500 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 1991 GMC K1500
Rancho – RS5000X Shock Absorber (Part No.RS55190)
from
$98.99
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:
See More
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
Monroe – OESpectrum Light Truck Shock Absorber (Part No.37044)
from
$93.99
Designed to restore a vehicle’s original factory drivability and performance, Monroe® OESpectrum® light truck shock absorbers provide an exceptional level of handling precision and control while filtering out noise, vibration and harshness.
Product Features:
See More
Product Features:
- 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
- IMPROVES STABILITY — ASD (Acceleration Sensitive Damping) valving technology and fluon-banded piston deliver greater control and handling while improving ride comfort
- IMPROVES PERFORMANCE — Nitrogen gas-charge maintains tire-to-road contact for improved ride and handling by reducing aeration and shock fade
- CONSISTENT RIDE — OE all-weather fluid contains special additives to assist with extreme temperatures and help reduce oil breakdown
- BUILT TO LAST — Self-lubricating fluid seal retains gas and reduces excessive friction against the piston rod to help reduce premature wear
- Special Seal: ‘Self-lubricating’ fluid seal designed to retain gas without excessive wear or friction.
- 1-3/8 inch (34.9 mm) bore (On most applications)
- 5/8-inch (15.9 mm) diameter piston rod (On most applications)
Monroe – Reflex Light Truck Shock Absorber (Part No.911044)
from
$77.99
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:
See More
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.
KYB – High Pressure Monotube Gas Shock (Part No.565061)
from
$135.99
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:
See More
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.)
Monroe – Gas-Matic Truck Shock Absorber (Part No.59029)
from
$32.99
Monroe® Gas-Matic truck shock absorber are gas charged and provide improved control at an economical price.
Product Features:
See More
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
Monroe – Gas-Matic LT Shock Absorber (Part No.59583)
from
$53.99
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:
See More
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
Monroe – Reflex Monotube Shock Absorber (Part No.911512)
from
$86.99
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:
See More
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
Monroe – Gas-Magnum Shock Absorber (Part No.34985)
from
$105.99
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:
See More
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.
Rancho – RS5000 Shock Absorber (Part No.RS5190)
from
$66.99
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:
See More
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
Rancho – RS5000X Shock Absorber (Part No.RS55227)
from
$90.99
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:
See More
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
Rancho – RS9000XL Shock Absorber (Part No.RS999190)
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:
See 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
KYB – Gas Shock (Part No.344263)
from
$89.99
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:
See More
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
KYB – High Pressure Monotube Gas Shock (Part No.565087)
from
$92.99
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:
See More
Product Features:
- Maximum Performance Upgrade With Up To 40% More Damping Performance Than Standard Shock Absorbers
- Perfect Solution When You Need To Upgrade Performance On Your Lifted 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.)
Rancho – RS9000XL Shock Absorber (Part No.RS999060)
from
$159.99
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:
See 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
Rancho – RS9000XL Shock Absorber (Part No.RS999227)
from
$147.99
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:
See 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
Skyjacker – Black Max Shock Absorber (Part No.B8583)
from
$69.99
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:
See More
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
Rancho – RS5000 Shock Absorber (Part No.RS5227)
from
$67.99
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:
See More
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
FAQs for 1991 GMC K1500 Rear Shock and Struts
What are the most popular Rear Shock and Struts for the 1991 GMC K1500?
With 4 brands you can trust, our most popular Rear Shock and Struts for the 1991 GMC K1500 parts are:
What are the best aftermarket Rear Shock and Struts for the 1991 GMC K1500?
See what past customers had to say about our highest-rated Rear Shock and Struts for the 1991 GMC K1500:
from
$66.99
(12)
RS5000 Shock Absorber
“Used product for exactly what it was designed to do it works fine”
from
$105.99
(6)
Gas-Magnum Shock Absorber
“This is a great shock for the money. Before I put these in truck its was bouncy even with me walking in the bed (I’m 250), after I put these in I was ”
from
$77.99
(4)
Reflex Light Truck Shock Absorber
“These are nice, well made, shocks. One of my old shocks was shot, no resistance to movement. I would recommend you consider getting some new hardwar”
