1978 GMC K15 Suspension Parts

Please Select your Vehicle to See Exact Fit Parts

Essential Suspension Parts for 1978 GMC K15s

Skyjacker – Nitrogen Gas Charged, Limited Lifetime Warranty, Non-Adjustable, Single (Part No.N8058)

Nitrogen Gas Charged, Limited Lifetime Warranty, Non-Adjustable, Single

from

$85.99
NITRO N8000 series shocks are recommended for full size vehicles and moderate to extreme off-road applications. Skyjacker(R) nitro shocks, Skyjacker(R) suspensions offers you a high quality shock absorber with true velocity sensitive valving. Shock absorbers, or spring dampers as it is called everywhere else except in the U.S, control the rate at which suspension springs compress and rebound. As the shock is pushed together, this is called bump or compression. As the shock expands, this is called rebound or extension. Absorbing the shock of bumps and suspension loading is actually performed by the springs in the suspension. The shock real job is controlling the energy stored in the springs. 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:
  • 150 PSI Pressurized Nitrogen Gas
  • Multi Stage Velocity Sensitive Valving
  • Twin Tube Construction. DOM Tubing Reduces Internal Wear For Longer Product Life
  • Bonded Iron Piston For Durability And Longer Shock Life
  • Chromed Piston Rod Features Micro Polished Shaft For Improved Product Life And Performance
  • Orifice Disk For Axle Control In Any Condition
  • Red Polyurethane Bushings
See More

Monroe – Gas-Matic LT Suspension Shock Absorber (Part No.59544)

Gas-Matic LT Suspension Shock Absorber

from

$41.99
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:
  • 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
See More

Monroe – Shock-Mate Suspension Shock Absorber Bellows (Part No.SA1998)

Shock-Mate Suspension Shock Absorber Bellows

from

$24.99
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
See More

Monroe – Load Adjusting Rear Suspension Shock Absorber and Coil Spring Assembly (Part No.58578)

Load Adjusting Rear Suspension Shock Absorber and Coil Spring Assembly

from

$188.99
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.
  • Upper Mount Type: Loop Bushing and Cantilever Pin Mount – 5/8″ Stud Diameter X 1 5/16″ Stud Length (Center of Loop to Frame)
See More

Monroe – Rear Suspension Shock Absorber Air Hose Kit (Part No.AK18)

Rear Suspension Shock Absorber Air Hose Kit

from

$46.99
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.
See More

Monroe – Rear Suspension Shock Absorber Air Hose Kit (Part No.AK64)

Rear Suspension Shock Absorber Air Hose Kit

from

$25.99
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.
See More

Energy Suspension – Hyper-Flex System (Part No.3.18105R)

Hyper-Flex System

from

$432.99
Energy’s Hyper-Flex is superior performance polyurethane which has proven itself under the most demanding conditions on the race track, off-road and street performance driving, Hyper-Flex components do not wear or deteriorate from exposure to undercar chemicals such as oils and coolants and withstand atmospheric conditions like UV exposure and pollutants. Impervious to these elements, Energy’s Hyper-Flex components are a great value. Not only will it outlast rubber 5 to 1 but are a cost effective performance improvement for your car or truck. Whether domestic or import, front, rear or 4WD, old or new, your vehicle will achieve that level of performance that has made Energy Suspension the most asked-for name in performance polyurethane components. All Hyper-Flex components are proudly Made in America and are available in red or black.

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
See More

Energy Suspension – Hyper-Flex System (Part No.3.18105G)

Hyper-Flex System

from

$432.99
Energy’s Hyper-Flex is superior performance polyurethane which has proven itself under the most demanding conditions on the race track, off-road and street performance driving, Hyper-Flex components do not wear or deteriorate from exposure to undercar chemicals such as oils and coolants and withstand atmospheric conditions like UV exposure and pollutants. Impervious to these elements, Energy’s Hyper-Flex components are a great value. Not only will it outlast rubber 5 to 1 but are a cost effective performance improvement for your car or truck. Whether domestic or import, front, rear or 4WD, old or new, your vehicle will achieve that level of performance that has made Energy Suspension the most asked-for name in performance polyurethane components. All Hyper-Flex components are proudly Made in America and are available in red or black.

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
See More

Monroe – Max-Air Adjustable Air Shock Absorber Pack of 2 (Part No.MA743)

Max-Air Adjustable Air Shock Absorber Pack of 2

from

$188.99
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.
  • Upper Mount Type: Loop Bushing and Cantilever Pin Mount – 5/8″ Stud Diameter X 1 5/16″ Stud Length (Center of Loop to Frame)
See More

Hellwig – Leaf Spring Design, Rear Upper, 2500 Lb Load Capacity, Steel (Part No.61912)

Leaf Spring Design, Rear Upper, 2500 Lb Load Capacity, Steel

from

$629.99
it is Patented Bolt-on Design, silent Ride Polyurethane Stability Blocks, Plated And Powder Coated Components And Easy To Follow Installation Instructions Make This The Helper Spring Of Choice For Do It Yourself And Professionals Alike. Manufactured With Heat Treated Alloy Spring Steel In Our California Based Facility, These Units Increase Your Vehicles Level Load Carrying Capacity Up To The manufacturer Gross Vehicle Weight Rating. With Its Progressive Rate Design This Helper Spring System Enables Trucks And Vans To Carry Loads With More Control And Stability. As Your Load Increases This Spring Automatically Increases Its Rate To Resist Sagging And Tail Dragging.

Product Features:
  • Manufactured With Heat Treated Alloy Spring Steel
  • 2500 Pounds Level Load Capacity
  • Progressive Rate Leaves Do Not Effect The Ride When Unloaded
  • Never Needs Adjusting
  • Silent Ride, With Unique Polyurethane Block Applies Tension To The U-bolts To Maintain A Quiet Ride, Also Stabilizes The Helper Spring In Reverse Or Rebound Mode
  • Heavy-duty Hardware
  • Simple Bolt-on Installation
See More

Energy Suspension – Leaf Spring Bushing Set (Part No.3.2112R)

Leaf Spring Bushing Set

from

$73.99
Adds a dramatic amount of performance and durability to any vehicle. For 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
See More

Energy Suspension – Shackle Eye Set (Part No.3.2126R)

Shackle Eye Set

from

$25.49
Energy Suspension continues to be the World leader in performance polyurethane suspension technology. Dedication to manufacturing and developing superior products has established Energy Suspension as the most asked-for name in performance polyurethane components today. The complex and diverse nature of Energy’s proprietary Hyper-Flex material requires constant attention to developing the optimum polyurethane formulas. This devotion has produced the quality components that our customers continue to demand. Providing problem-solving solutions with applications for the most popular vehicles, paired with our Limited warranty and superb customer support, Energy Suspension is your first quality choice in performance polyurethane suspension components.

Product Features:
  • Made From HYPER-Flex Polyurethane
See More

Energy Suspension – Pickup Rear Frame Shackle (Part No.3.2126G)

Pickup Rear Frame Shackle

from

$25.49
Energy Suspension continues to be the World leader in performance polyurethane suspension technology. Dedication to manufacturing and developing superior products has established Energy Suspension as the most asked-for name in performance polyurethane components today. The complex and diverse nature of Energy’s proprietary Hyper-Flex material requires constant attention to developing the optimum polyurethane formulas. This devotion has produced the quality components that our customers continue to demand. Providing problem-solving solutions with applications for the most popular vehicles, paired with our Limited warranty and superb customer support, Energy Suspension is your first quality choice in performance polyurethane suspension components.

Product Features:
  • Made From HYPER-Flex Polyurethane
See More

Energy Suspension – Shackle Eye Set (Part No.3.2111R)

Shackle Eye Set

from

$21.79
Energy Suspension continues to be the World leader in performance polyurethane suspension technology. Dedication to manufacturing and developing superior products has established Energy Suspension as the most asked-for name in performance polyurethane components today. The complex and diverse nature of Energy’s proprietary Hyper-Flex material requires constant attention to developing the optimum polyurethane formulas. This devotion has produced the quality components that our customers continue to demand. Providing problem-solving solutions with applications for the most popular vehicles, paired with our Limited warranty and superb customer support, Energy Suspension is your first quality choice in performance polyurethane suspension components.

Product Features:
  • Made From HYPER-Flex Polyurethane
See More

Skyjacker – Black Max Shock Absorber (Part No.B8571)

Black Max Shock Absorber

from

$87.99
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:
  • 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
See More

Skyjacker – Nitrogen Gas Charged, Limited Lifetime Warranty, Non-Adjustable, Single (Part No.N8023)

Nitrogen Gas Charged, Limited Lifetime Warranty, Non-Adjustable, Single

from

$85.99
NITRO N8000 series shocks are recommended for full size vehicles and moderate to extreme off-road applications. Skyjacker(R) nitro shocks, Skyjacker(R) suspensions offers you a high quality shock absorber with true velocity sensitive valving. Shock absorbers, or spring dampers as it is called everywhere else except in the U.S, control the rate at which suspension springs compress and rebound. As the shock is pushed together, this is called bump or compression. As the shock expands, this is called rebound or extension. Absorbing the shock of bumps and suspension loading is actually performed by the springs in the suspension. The shock real job is controlling the energy stored in the springs. 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:
  • 150 PSI Pressurized Nitrogen Gas
  • Multi Stage Velocity Sensitive Valving
  • Twin Tube Construction. DOM Tubing Reduces Internal Wear For Longer Product Life
  • Bonded Iron Piston For Durability And Longer Shock Life
  • Chromed Piston Rod Features Micro Polished Shaft For Improved Product Life And Performance
  • Orifice Disk For Axle Control In Any Condition
  • Red Polyurethane Bushings
See More

Monroe – Shock-Mate Suspension Shock Absorber Bellows (Part No.SA1997)

Shock-Mate Suspension Shock Absorber Bellows

from

$26.99
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
See More

Dorman – Position Leaf Spring Shackle Kit (Part No.722-066)

Position Leaf Spring Shackle Kit

from

$62.99
Get ahead of fatigued or rusted leaf spring shackles before they become dangerous. Made of sturdy steel with a power coated finish to resist corrosion, this leaf spring shackle is a direct replacement for your vehicle’s stock shackle.

Product Features:
  • Direct replacement – This leaf spring shackle fits and performs like original equipment shackle
  • Quality construction – manufactured from durable steel and powder coated for corrosion resistance and a long service life
  • Excellent value – original equipment quality at a lower price
  • Ready to install – all essential hardware is included for an easy installation
See More

Belltech – 1/2 Inch Lift, Rubber Bushing, Set Of 2 (Part No.6404)

1/2 Inch Lift, Rubber Bushing, Set Of 2

from

$146.99
By Engineering bracketry or replacement components Belltech Shackles and Hangers to reposition the front and/or rear Leaf Spring mounting points Spring eyes you can simply and effectively lower your Leaf Spring equipped sport truck or SUV without changing the factory Leaf Spring. This allows you to retain OEM Ride Quality and possibly more importantly factory load capacity. At Belltech, we offer both Belltech Shackles and Hangers as individual components as well as complete kits depending on your Lowering requirements. Belltech Shackle kits are designed drop the rear of your sport truck or SUV up to 2 Inches. For some applications we also offer a 1/2 Inch lifting Shackle kits. Belltech Shackle kits are constructed from Heavy Gauge die stamped P and O Steel to insure a perfect fit and superior quality. All Shackles are powder coated and feature OEM quality silent bloc rubber bushings and that do not need maintenance unlike polyurethane

Product Features:
  • To Reposition The Front And/Or Rear Leaf Spring Mounting Points Spring Eyes You Can Simply And Effectively Lower Your Leaf Spring Equipped Sport Truck Or SUV Without Changing The Factory Leaf Spring
  • This Allows You To Retain OEM Ride Quality And Possibly More Importantly Factory Load Capacity
  • Belltech Shackle Kits Are Designed Drop The Rear Of Your Sport Truck Or SUV Up To 2 Inches
  • For Some Applications We Also Offer A 1/2 Inch Lifting Shackle Kits
  • Belltech Shackle Kits Are Constructed From Heavy Gauge Die Stamped P And O Steel To Insure A Perfect Fit And Superior Quality
  • All Shackles Are Powder Coated And Feature OEM Quality Silent Bloc Rubber Bushings And That Do Not Need Maintenance Unlike Polyurethane
See More

Valvoline – DEX/MERC ATF Conventional Automatic Transmission Fluid, 1 Quart (Part No.798153)

DEX/MERC ATF Conventional Automatic Transmission Fluid, 1 Quart

from

$10.99
Valvoline DEX/MERC ATF is a high-quality transmission fluid formulated to meet the challenging demands of 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
See More

Dorman – Suspension Leaf Spring (Part No.22-483)

Suspension Leaf Spring

from

$550.99
Properly functioning leaf springs hold the weight and payload of a vehicle or trailer and are essential to suspension performance and passenger comfort. Check the product attributes to select the right leaf spring for your application.

Product Features:
  • Direct replacement – these leaf springs are designed to match the fit and function of the original leaf springs on specific vehicles or trailers
  • Ideal solution – seamlessly replaces leaf springs damaged by overloading, collision, cracking or corrosion, or are due for replacement
  • Durable construction – made from quality materials to strict specifications to ensure reliable performance and long service life
  • Trustworthy quality – engineered, manufactured and supported by the premier aftermarket leaf spring provider in the USA
  • Durable design – rigorously engineered and carefully manufactured to provide like-new feel and dependable service life
See More

Dorman – Suspension Leaf Spring (Part No.22-402)

Suspension Leaf Spring

from

$266.99
Properly functioning leaf springs hold the weight and payload of a vehicle or trailer and are essential to suspension performance and passenger comfort. Check the product attributes to select the right leaf spring for your application.

Product Features:
  • Direct replacement – these leaf springs are designed to match the fit and function of the original leaf springs on specific vehicles or trailers
  • Ideal solution – seamlessly replaces leaf springs damaged by overloading, collision, cracking or corrosion, or are due for replacement
  • Durable construction – made from quality materials to strict specifications to ensure reliable performance and long service life
  • Trustworthy quality – engineered, manufactured and supported by the premier aftermarket leaf spring provider in the USA
  • Durable design – rigorously engineered and carefully manufactured to provide like-new feel and dependable service life
See More

Dorman – Suspension Leaf Spring (Part No.22-485)

Suspension Leaf Spring

from

$382.99
Properly functioning leaf springs hold the weight and payload of a vehicle or trailer and are essential to suspension performance and passenger comfort. Check the product attributes to select the right leaf spring for your application.

Product Features:
  • Direct replacement – these leaf springs are designed to match the fit and function of the original leaf springs on specific vehicles or trailers
  • Ideal solution – seamlessly replaces leaf springs damaged by overloading, collision, cracking or corrosion, or are due for replacement
  • Durable construction – made from quality materials to strict specifications to ensure reliable performance and long service life
  • Trustworthy quality – engineered, manufactured and supported by the premier aftermarket leaf spring provider in the USA
  • Durable design – rigorously engineered and carefully manufactured to provide like-new feel and dependable service life
See More

Dorman – Suspension Leaf Spring (Part No.22-402HD)

Suspension Leaf Spring

from

$344.99
Properly functioning leaf springs hold the weight and payload of a vehicle or trailer and are essential to suspension performance and passenger comfort. Check the product attributes to select the right leaf spring for your application.

Product Features:
  • Direct replacement – these leaf springs are designed to match the fit and function of the original leaf springs on specific vehicles or trailers
  • Ideal solution – seamlessly replaces leaf springs damaged by overloading, collision, cracking or corrosion, or are due for replacement
  • Durable construction – made from quality materials to strict specifications to ensure reliable performance and long service life
  • Trustworthy quality – engineered, manufactured and supported by the premier aftermarket leaf spring provider in the USA
See More

Upgrade your 1978 GMC K15 with Top-Quality Suspension Parts

When it comes to maintaining or upgrading your 1978 GMC K15, nothing is more important than using high-quality OEM or aftermarket parts that you can trust. Whether you’re repairing damage to your GMC or enhancing its overall performance, Suspension Parts are key to keeping your K15 functioning at its best. At Advance Auto Parts, we offer a wide selection of 66 Suspension Parts for the 1978 GMC K15, designed to meet your needs without breaking the bank. From Air Suspension and Kit replacements to Shocks and Struts upgrades, we’ve got you covered with parts that fit your vehicle perfectly and ensure long-lasting performance.

Affordable Prices and Wide Selection

Shopping for Suspension Parts for any vehicle can be a hassle, especially if you’re on a budget. But with Advance Auto Parts, you can find high-quality Suspension Parts for your 1978 GMC K15 at great prices. Our Suspension Parts inventory for this model ranges from just $10.99 to $629.99, with an average price of $116.71. Our 66 Suspension Parts in stock come from 12 trusted brands, so you’re sure to find the right part for your 1978 GMC K15 without overspending.

Top Brands and High Customer Satisfaction

Advance Auto Parts takes pride in offering only the best brands in the automotive industry. For your 1978 GMC K15, we stock popular OEM and aftermarket Suspension Parts from top names like Monroe Rancho, and more. Monroe Suspension Parts start at just $79.99 and boast an impressive 4.4 stars average rating from customers. With 400 customer reviews and counting, our 1978 GMC K15 Suspension Parts have a strong track record of reliability, ensuring you can trust your purchase.

Explore Related Parts and More

While you’re here, don’t forget to check out other essential categories that go hand in hand with Suspension Part upgrades. Explore related part types like Batteries and Chargers, Oil and Lubricants and more to make sure your 1978 GMC K15 is always ready to roll. We’re committed to providing you with everything you need to keep your K15 in top shape, all in one place. Start shopping confidently below for your 1978 GMC K15!

Best-Selling Air Suspension and Kits for 1978 GMC K15s

Enhance the driving experience in your GMC with 8 quality Air Suspension and Kit components, starting at $10.99.

Monroe – Max-Air Adjustable Air Shock Absorber Pack of 2 (Part No.MA743)

Max-Air Adjustable Air Shock Absorber Pack of 2

from

$188.99
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.
  • Upper Mount Type: Loop Bushing and Cantilever Pin Mount – 5/8″ Stud Diameter X 1 5/16″ Stud Length (Center of Loop to Frame)
See More

Monroe – Rear Suspension Shock Absorber Air Hose Kit (Part No.AK18)

Rear Suspension Shock Absorber Air Hose Kit

from

$46.99
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.
See More

Monroe – Rear Suspension Shock Absorber Air Hose Kit (Part No.AK64)

Rear Suspension Shock Absorber Air Hose Kit

from

$25.99
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.
See More

Valvoline – DEX/MERC ATF Conventional Automatic Transmission Fluid, 1 Quart (Part No.798153)

DEX/MERC ATF Conventional Automatic Transmission Fluid, 1 Quart

from

$10.99
Valvoline DEX/MERC ATF is a high-quality transmission fluid formulated to meet the challenging demands of 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
See More

Energy Suspension – Hyper-Flex System (Part No.3.18105R)

Hyper-Flex System

from

$432.99
Energy’s Hyper-Flex is superior performance polyurethane which has proven itself under the most demanding conditions on the race track, off-road and street performance driving, Hyper-Flex components do not wear or deteriorate from exposure to undercar chemicals such as oils and coolants and withstand atmospheric conditions like UV exposure and pollutants. Impervious to these elements, Energy’s Hyper-Flex components are a great value. Not only will it outlast rubber 5 to 1 but are a cost effective performance improvement for your car or truck. Whether domestic or import, front, rear or 4WD, old or new, your vehicle will achieve that level of performance that has made Energy Suspension the most asked-for name in performance polyurethane components. All Hyper-Flex components are proudly Made in America and are available in red or black.

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
See More

Energy Suspension – Hyper-Flex System (Part No.3.18105G)

Hyper-Flex System

from

$432.99
Energy’s Hyper-Flex is superior performance polyurethane which has proven itself under the most demanding conditions on the race track, off-road and street performance driving, Hyper-Flex components do not wear or deteriorate from exposure to undercar chemicals such as oils and coolants and withstand atmospheric conditions like UV exposure and pollutants. Impervious to these elements, Energy’s Hyper-Flex components are a great value. Not only will it outlast rubber 5 to 1 but are a cost effective performance improvement for your car or truck. Whether domestic or import, front, rear or 4WD, old or new, your vehicle will achieve that level of performance that has made Energy Suspension the most asked-for name in performance polyurethane components. All Hyper-Flex components are proudly Made in America and are available in red or black.

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
See More

Energy Suspension – Hyper-Flex System (Part No.3.18104G)

Hyper-Flex System

from

$425.99
Energy’s Hyper-Flex is superior performance polyurethane which has proven itself under the most demanding conditions on the race track, off-road and street performance driving, Hyper-Flex components do not wear or deteriorate from exposure to undercar chemicals such as oils and coolants and withstand atmospheric conditions like UV exposure and pollutants. Impervious to these elements, Energy’s Hyper-Flex components are a great value. Not only will it outlast rubber 5 to 1 but are a cost effective performance improvement for your car or truck. Whether domestic or import, front, rear or 4WD, old or new, your vehicle will achieve that level of performance that has made Energy Suspension the most asked-for name in performance polyurethane components. All Hyper-Flex components are proudly Made in America and are available in red or black.

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
See More

Nolathane – Front Leaf Spring Bushing Kit (Part No.REV155.0048)

Front Leaf Spring Bushing Kit

from

$61.99
With over 40 years of history, Nolathane remains the number 1 replacement and enhancement bushing and chassis component brand throughout Australia & New Zealand and now boasts a warehouse in California & catalog to suit the North American market.

Product Features:
  • Nolathane formulation boasts resistance to oil, grease, ozone and weathering
  • Designed with the installer in mind by reducing the need of specialized skills, tools and equipment
  • Supplied with extreme pressure molybdenum disulphide (LM) based grease for extended life
  • Internal grease reservoirs provide continual self lubrication for optimum friction management
See More

Most Popular 1978 GMC K15 Shocks and Struts

Customize your GMC with 41 Shocks and Struts products like Rear Shock and Struts, Front Shock and Struts, and Strut Bellows, all priced under $629.99.

Monroe – Gas-Magnum Outer Suspension Shock Absorber (Part No.34944)

Gas-Magnum Outer Suspension Shock Absorber

from

$79.99
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:
  • 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
  • BUY WITH CONFIDENCE – Comes with Monroe’s limited warranty and exclusive Feel the Difference guarantee
  • 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.
See More

Monroe – Gas-Magnum Suspension Shock Absorber (Part No.34824)

Gas-Magnum Suspension Shock Absorber

from

$91.99
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:
  • 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
  • BUY WITH CONFIDENCE – Comes with Monroe’s limited warranty and exclusive Feel the Difference guarantee
  • 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.
See More

Monroe – Gas-Matic LT Suspension Shock Absorber (Part No.59544)

Gas-Matic LT Suspension Shock Absorber

from

$41.99
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:
  • 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
See More

Monroe – Gas-Matic Suspension Shock Absorber (Part No.59044)

Gas-Matic Suspension Shock Absorber

from

$53.99
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
See More

Monroe – Gas-Matic LT Outer Suspension Shock Absorber (Part No.59571)

Gas-Matic LT Outer Suspension Shock Absorber

from

$38.99
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:
  • 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
See More

Monroe – OESpectrum Suspension Shock Absorber (Part No.37041)

OESpectrum Suspension Shock Absorber

from

$78.99
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:
  • 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
  • CONTROL AND DURABILITY – PTFE-banded piston provides consistent sealing between piston and pressure tube for better control and increased durability
  • REDUCED NOISE, VIBRATION AND HARSHNESS – Twin Technology Active Control System delivers exceptional control under most driving conditions while isolating impact-related noise, vibration and harshness
  • 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
  • BUY WITH CONFIDENCE – Comes with Monroe’s limited warranty and exclusive Feel the Difference guarantee
  • 5/8-inch (15.9 mm) diameter piston rod (On most applications)
See More

Monroe – Shock-Mate Suspension Shock Absorber Bellows (Part No.SA1997)

Shock-Mate Suspension Shock Absorber Bellows

from

$26.99
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
See More

Monroe – Shock-Mate Suspension Shock Absorber Bellows (Part No.SA1998)

Shock-Mate Suspension Shock Absorber Bellows

from

$24.99
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
See More

Rancho – Suspension Shock Absorber RS5000X (Part No.RS55118)

Suspension Shock Absorber RS5000X

from

$90.99
Featuring a unique, exclusive valving system and advanced compression functionality, Rancho RS5000X shocks deliver improved overall on-road 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 degree 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
  • BUY WITH CONFIDENCE – Comes with Rancho’s Limited Warranty
See More

Skyjacker – Hydraulic, Twin Tube, Limited Lifetime Warranty, Non-Adjustable, Single (Part No.B8558)

Hydraulic, Twin Tube, Limited Lifetime Warranty, Non-Adjustable, Single

from

$87.99
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:
  • 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
See More

Monroe – OESpectrum Outer Suspension Shock Absorber (Part No.37040)

OESpectrum Outer Suspension Shock Absorber

from

$79.99
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:
  • 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
  • CONTROL AND DURABILITY – PTFE-banded piston provides consistent sealing between piston and pressure tube for better control and increased durability
  • REDUCED NOISE, VIBRATION AND HARSHNESS – Twin Technology Active Control System delivers exceptional control under most driving conditions while isolating impact-related noise, vibration and harshness
  • 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
  • BUY WITH CONFIDENCE – Comes with Monroe’s limited warranty and exclusive Feel the Difference guarantee
  • 5/8-inch (15.9 mm) diameter piston rod (On most applications)
See More

Rancho – Suspension Shock Absorber RS5000X (Part No.RS55112)

Suspension Shock Absorber RS5000X

from

$99.99
Featuring a unique, exclusive valving system and advanced compression functionality, Rancho RS5000X shocks deliver improved overall on-road 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 degree 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
  • BUY WITH CONFIDENCE – Comes with Rancho’s Limited Warranty
See More

Rancho – Suspension Shock Absorber RS5000X (Part No.RS55001)

Suspension Shock Absorber RS5000X

from

$94.99
Featuring a unique, exclusive valving system and advanced compression functionality, Rancho RS5000X shocks deliver improved overall on-road 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 degree 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
  • BUY WITH CONFIDENCE – Comes with Rancho’s Limited Warranty
See More

Monroe – Gas-Matic Outer Suspension Shock Absorber (Part No.59042)

Gas-Matic Outer Suspension Shock Absorber

from

$42.99
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
See More

Skyjacker – Hydro Shock W/Red Boot (Part No.H7060)

Hydro Shock W/Red Boot

from

$71.99
HYDRO H7000 series shocks are recommended for multiple shock applications and mild to moderate off road use. Skyjacker(R) hydro shocks: Skyjacker(R) suspensions offers you a high quality shock absorber with true velocity sensitive valving. Shock absorbers, or spring dampers as it is called everywhere else except in the U.S, control the rate at which suspension springs compress and rebound. As the shock is pushed together, this is called bump or compression. As the shock expands, this is called rebound or extension. Absorbing the shock of bumps and suspension loading is actually performed by the springs in the suspension. The shock real job is controlling the energy stored in the springs. 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:
  • Hydraulic Action. Leak Proof Seal Prevents Hydraulic Fluid From Passing Around Piston Head For A Consistent And Reliable Ride
  • Multi Stage Velocity Sensitive Valving
  • Twin Tube Construction. DOM Tubing Reduces Internal Wear For Longer Product Life
  • Bonded Iron Piston For Durability And Longer Shock Life
  • Chromed Piston Rod Features Micro Polished Shaft For Improved Product Life And Performance
  • Orifice Disk For Axle Control In Any Condition
  • Red Polyurethane Bushings
See More

Rancho – RS5000X Suspension Shock Absorber (Part No.RS55151)

RS5000X Suspension Shock Absorber

from

$90.99
Featuring a unique, exclusive valving system and advanced compression functionality, Rancho RS5000X 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 Deg. 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
  • BUY WITH CONFIDENCE – Comes with Rancho’s Limited Warranty
See More

Skyjacker – Nitrogen Gas Charged, Limited Lifetime Warranty, Non-Adjustable, Single (Part No.N8023)

Nitrogen Gas Charged, Limited Lifetime Warranty, Non-Adjustable, Single

from

$85.99
NITRO N8000 series shocks are recommended for full size vehicles and moderate to extreme off-road applications. Skyjacker(R) nitro shocks, Skyjacker(R) suspensions offers you a high quality shock absorber with true velocity sensitive valving. Shock absorbers, or spring dampers as it is called everywhere else except in the U.S, control the rate at which suspension springs compress and rebound. As the shock is pushed together, this is called bump or compression. As the shock expands, this is called rebound or extension. Absorbing the shock of bumps and suspension loading is actually performed by the springs in the suspension. The shock real job is controlling the energy stored in the springs. 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:
  • 150 PSI Pressurized Nitrogen Gas
  • Multi Stage Velocity Sensitive Valving
  • Twin Tube Construction. DOM Tubing Reduces Internal Wear For Longer Product Life
  • Bonded Iron Piston For Durability And Longer Shock Life
  • Chromed Piston Rod Features Micro Polished Shaft For Improved Product Life And Performance
  • Orifice Disk For Axle Control In Any Condition
  • Red Polyurethane Bushings
See More

Skyjacker – Hydraulic, Twin Tube, Limited Lifetime Warranty, Non-Adjustable, Single (Part No.B8553)

Hydraulic, Twin Tube, Limited Lifetime Warranty, Non-Adjustable, Single

from

$87.99
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:
  • 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
See More

Skyjacker – Hydraulic, Limited Lifetime Warranty, Non-Adjustable, Includes Dust Boot, Single (Part No.H7051)

Hydraulic, Limited Lifetime Warranty, Non-Adjustable, Includes Dust Boot, Single

from

$71.99
HYDRO H7000 series shocks are recommended for multiple shock applications and mild to moderate off-road use. Skyjacker(R) hydro shocks, Skyjacker(R) suspensions offers you a high quality shock absorber with true velocity sensitive valving. Shock absorbers, or spring dampers as it is called everywhere else except in the U.S, control the rate at which suspension springs compress and rebound. As the shock is pushed together, this is called bump or compression. As the shock expands, this is called rebound or extension. Absorbing the shock of bumps and suspension loading is actually performed by the springs in the suspension. The shock real job is controlling the energy stored in the springs. 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:
  • Hydraulic Action. Leak Proof Seal Prevents Hydraulic Fluid From Passing Around Piston Head For A Consistent And Reliable Ride
  • Multi Stage Velocity Sensitive Valving
  • Twin Tube Construction. DOM Tubing Reduces Internal Wear For Longer Product Life
  • Bonded Iron Piston For Durability And Longer Shock Life
  • Chromed Piston Rod Features Micro Polished Shaft For Improved Product Life And Performance
  • Orifice Disk For Axle Control In Any Condition
  • Red Polyurethane Bushings
See More

Skyjacker – Hydraulic, Limited Lifetime Warranty, Non-Adjustable, Includes Dust Boot, Single (Part No.H7053)

Hydraulic, Limited Lifetime Warranty, Non-Adjustable, Includes Dust Boot, Single

from

$71.99
HYDRO H7000 series shocks are recommended for multiple shock applications and mild to moderate off-road use. Skyjacker(R) hydro shocks, Skyjacker(R) suspensions offers you a high quality shock absorber with true velocity sensitive valving. Shock absorbers, or spring dampers as it is called everywhere else except in the U.S, control the rate at which suspension springs compress and rebound. As the shock is pushed together, this is called bump or compression. As the shock expands, this is called rebound or extension. Absorbing the shock of bumps and suspension loading is actually performed by the springs in the suspension. The shock real job is controlling the energy stored in the springs. 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:
  • Hydraulic Action. Leak Proof Seal Prevents Hydraulic Fluid From Passing Around Piston Head For A Consistent And Reliable Ride
  • Multi Stage Velocity Sensitive Valving
  • Twin Tube Construction. DOM Tubing Reduces Internal Wear For Longer Product Life
  • Bonded Iron Piston For Durability And Longer Shock Life
  • Chromed Piston Rod Features Micro Polished Shaft For Improved Product Life And Performance
  • Orifice Disk For Axle Control In Any Condition
  • Red Polyurethane Bushings
See More

Skyjacker – Nitro Shock W/Red Boot (Part No.N8060)

Nitro Shock W/Red Boot

from

$85.99
NITRO N8000 series shocks are recommended for full size vehicles and moderate to extreme off-road applications. Skyjacker(R) nitro shocks, Skyjacker(R) suspensions offers you a high quality shock absorber with true velocity sensitive valving. Shock absorbers, or spring dampers as it is called everywhere else except in the U.S, control the rate at which suspension springs compress and rebound. As the shock is pushed together, this is called bump or compression. As the shock expands, this is called rebound or extension. Absorbing the shock of bumps and suspension loading is actually performed by the springs in the suspension. The shock real job is controlling the energy stored in the springs. 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:
  • 150 PSI Pressurized Nitrogen Gas
  • Multi Stage Velocity Sensitive Valving
  • Twin Tube Construction. DOM Tubing Reduces Internal Wear For Longer Product Life
  • Bonded Iron Piston For Durability And Longer Shock Life
  • Chromed Piston Rod Features Micro Polished Shaft For Improved Product Life And Performance
  • Orifice Disk For Axle Control In Any Condition
  • Red Polyurethane Bushings
See More

Skyjacker – Hydro Shock W/Red Boot (Part No.H7023)

Hydro Shock W/Red Boot

from

$71.99
HYDRO H7000 series shocks are recommended for multiple shock applications and mild to moderate off-road use. Skyjacker(R) hydro shocks, Skyjacker(R) suspensions offers you a high quality shock absorber with true velocity sensitive valving. Shock absorbers, or spring dampers as it is called everywhere else except in the U.S, control the rate at which suspension springs compress and rebound. As the shock is pushed together, this is called bump or compression. As the shock expands, this is called rebound or extension. Absorbing the shock of bumps and suspension loading is actually performed by the springs in the suspension. The shock real job is controlling the energy stored in the springs. 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:
  • Hydraulic Action. Leak Proof Seal Prevents Hydraulic Fluid From Passing Around Piston Head For A Consistent And Reliable Ride
  • Multi Stage Velocity Sensitive Valving
  • Twin Tube Construction. DOM Tubing Reduces Internal Wear For Longer Product Life
  • Bonded Iron Piston For Durability And Longer Shock Life
  • Chromed Piston Rod Features Micro Polished Shaft For Improved Product Life And Performance
  • Orifice Disk For Axle Control In Any Condition
  • Red Polyurethane Bushings
See More

Skyjacker – Hydro Shock W/Red Boot (Part No.H7058)

Hydro Shock W/Red Boot

from

$71.99
HYDRO H7000 series shocks are recommended for multiple shock applications and mild to moderate off-road use. Skyjacker(R) hydro shocks, Skyjacker(R) suspensions offers you a high quality shock absorber with true velocity sensitive valving. Shock absorbers, or spring dampers as it is called everywhere else except in the U.S, control the rate at which suspension springs compress and rebound. As the shock is pushed together, this is called bump or compression. As the shock expands, this is called rebound or extension. Absorbing the shock of bumps and suspension loading is actually performed by the springs in the suspension. The shock real job is controlling the energy stored in the springs. 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:
  • Hydraulic Action. Leak Proof Seal Prevents Hydraulic Fluid From Passing Around Piston Head For A Consistent And Reliable Ride
  • Multi Stage Velocity Sensitive Valving
  • Twin Tube Construction. DOM Tubing Reduces Internal Wear For Longer Product Life
  • Bonded Iron Piston For Durability And Longer Shock Life
  • Chromed Piston Rod Features Micro Polished Shaft For Improved Product Life And Performance
  • Orifice Disk For Axle Control In Any Condition
  • Red Polyurethane Bushings
See More

Energy Suspension – Pickup Rear Frame Shackle (Part No.3.2126G)

Pickup Rear Frame Shackle

from

$25.49
Energy Suspension continues to be the World leader in performance polyurethane suspension technology. Dedication to manufacturing and developing superior products has established Energy Suspension as the most asked-for name in performance polyurethane components today. The complex and diverse nature of Energy’s proprietary Hyper-Flex material requires constant attention to developing the optimum polyurethane formulas. This devotion has produced the quality components that our customers continue to demand. Providing problem-solving solutions with applications for the most popular vehicles, paired with our Limited warranty and superb customer support, Energy Suspension is your first quality choice in performance polyurethane suspension components.

Product Features:
  • Made From HYPER-Flex Polyurethane
See More

Top Picks for 1978 GMC K15 Coil and Leaf Springs

Upgrade GMC K15s with top-quality Coil and Leaf Springs parts, including 17 OEM and aftermarket selections for your 1978 model.

Monroe – Load Adjusting Rear Suspension Shock Absorber and Coil Spring Assembly (Part No.58578)

Load Adjusting Rear Suspension Shock Absorber and Coil Spring Assembly

from

$188.99
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.
  • Upper Mount Type: Loop Bushing and Cantilever Pin Mount – 5/8″ Stud Diameter X 1 5/16″ Stud Length (Center of Loop to Frame)
See More

MOOG – Leaf Spring Shackle Bushing (Part No.SB335)

Leaf Spring Shackle Bushing

from

$30.49
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
See More

Energy Suspension – Leaf Spring Bushing Set (Part No.3.2105G)

Leaf Spring Bushing Set

from

$69.99
Adds a dramatic amount of performance and durability to any vehicle. For 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
See More

Dorman – Position Leaf Spring Shackle Kit (Part No.722-066)

Position Leaf Spring Shackle Kit

from

$62.99
Get ahead of fatigued or rusted leaf spring shackles before they become dangerous. Made of sturdy steel with a power coated finish to resist corrosion, this leaf spring shackle is a direct replacement for your vehicle’s stock shackle.

Product Features:
  • Direct replacement – This leaf spring shackle fits and performs like original equipment shackle
  • Quality construction – manufactured from durable steel and powder coated for corrosion resistance and a long service life
  • Excellent value – original equipment quality at a lower price
  • Ready to install – all essential hardware is included for an easy installation
See More

MOOG – Leaf Spring Shackle Bushing (Part No.SB320)

Leaf Spring Shackle Bushing

from

$27.99
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
See More

Energy Suspension – Leaf Spring Bushing Set (Part No.3.2105R)

Leaf Spring Bushing Set

from

$69.99
Adds a dramatic amount of performance and durability to any vehicle. For 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
See More

Energy Suspension – Shackle Eye Set (Part No.3.2126R)

Shackle Eye Set

from

$25.49
Energy Suspension continues to be the World leader in performance polyurethane suspension technology. Dedication to manufacturing and developing superior products has established Energy Suspension as the most asked-for name in performance polyurethane components today. The complex and diverse nature of Energy’s proprietary Hyper-Flex material requires constant attention to developing the optimum polyurethane formulas. This devotion has produced the quality components that our customers continue to demand. Providing problem-solving solutions with applications for the most popular vehicles, paired with our Limited warranty and superb customer support, Energy Suspension is your first quality choice in performance polyurethane suspension components.

Product Features:
  • Made From HYPER-Flex Polyurethane
See More

Rare Parts – Shackle Bushing (Part No.RP35227)

Shackle Bushing

from

$23.99
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
See More

Energy Suspension – Leaf Spring Bushing Set (Part No.3.2112R)

Leaf Spring Bushing Set

from

$73.99
Adds a dramatic amount of performance and durability to any vehicle. For 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
See More

Rare Parts – Spring Bushing (Part No.RP35984)

Spring Bushing

from

$17.99
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
See More

Dorman – Suspension Leaf Spring (Part No.22-483)

Suspension Leaf Spring

from

$550.99
Properly functioning leaf springs hold the weight and payload of a vehicle or trailer and are essential to suspension performance and passenger comfort. Check the product attributes to select the right leaf spring for your application.

Product Features:
  • Direct replacement – these leaf springs are designed to match the fit and function of the original leaf springs on specific vehicles or trailers
  • Ideal solution – seamlessly replaces leaf springs damaged by overloading, collision, cracking or corrosion, or are due for replacement
  • Durable construction – made from quality materials to strict specifications to ensure reliable performance and long service life
  • Trustworthy quality – engineered, manufactured and supported by the premier aftermarket leaf spring provider in the USA
  • Durable design – rigorously engineered and carefully manufactured to provide like-new feel and dependable service life
See More

Dorman – Suspension Leaf Spring (Part No.22-485)

Suspension Leaf Spring

from

$382.99
Properly functioning leaf springs hold the weight and payload of a vehicle or trailer and are essential to suspension performance and passenger comfort. Check the product attributes to select the right leaf spring for your application.

Product Features:
  • Direct replacement – these leaf springs are designed to match the fit and function of the original leaf springs on specific vehicles or trailers
  • Ideal solution – seamlessly replaces leaf springs damaged by overloading, collision, cracking or corrosion, or are due for replacement
  • Durable construction – made from quality materials to strict specifications to ensure reliable performance and long service life
  • Trustworthy quality – engineered, manufactured and supported by the premier aftermarket leaf spring provider in the USA
  • Durable design – rigorously engineered and carefully manufactured to provide like-new feel and dependable service life
See More

Dorman – Suspension Leaf Spring (Part No.22-402HD)

Suspension Leaf Spring

from

$344.99
Properly functioning leaf springs hold the weight and payload of a vehicle or trailer and are essential to suspension performance and passenger comfort. Check the product attributes to select the right leaf spring for your application.

Product Features:
  • Direct replacement – these leaf springs are designed to match the fit and function of the original leaf springs on specific vehicles or trailers
  • Ideal solution – seamlessly replaces leaf springs damaged by overloading, collision, cracking or corrosion, or are due for replacement
  • Durable construction – made from quality materials to strict specifications to ensure reliable performance and long service life
  • Trustworthy quality – engineered, manufactured and supported by the premier aftermarket leaf spring provider in the USA
See More

Dorman – Suspension Leaf Spring (Part No.22-402)

Suspension Leaf Spring

from

$266.99
Properly functioning leaf springs hold the weight and payload of a vehicle or trailer and are essential to suspension performance and passenger comfort. Check the product attributes to select the right leaf spring for your application.

Product Features:
  • Direct replacement – these leaf springs are designed to match the fit and function of the original leaf springs on specific vehicles or trailers
  • Ideal solution – seamlessly replaces leaf springs damaged by overloading, collision, cracking or corrosion, or are due for replacement
  • Durable construction – made from quality materials to strict specifications to ensure reliable performance and long service life
  • Trustworthy quality – engineered, manufactured and supported by the premier aftermarket leaf spring provider in the USA
  • Durable design – rigorously engineered and carefully manufactured to provide like-new feel and dependable service life
See More

Belltech – 1/2 Inch Lift, Rubber Bushing, Set Of 2 (Part No.6404)

1/2 Inch Lift, Rubber Bushing, Set Of 2

from

$146.99
By Engineering bracketry or replacement components Belltech Shackles and Hangers to reposition the front and/or rear Leaf Spring mounting points Spring eyes you can simply and effectively lower your Leaf Spring equipped sport truck or SUV without changing the factory Leaf Spring. This allows you to retain OEM Ride Quality and possibly more importantly factory load capacity. At Belltech, we offer both Belltech Shackles and Hangers as individual components as well as complete kits depending on your Lowering requirements. Belltech Shackle kits are designed drop the rear of your sport truck or SUV up to 2 Inches. For some applications we also offer a 1/2 Inch lifting Shackle kits. Belltech Shackle kits are constructed from Heavy Gauge die stamped P and O Steel to insure a perfect fit and superior quality. All Shackles are powder coated and feature OEM quality silent bloc rubber bushings and that do not need maintenance unlike polyurethane

Product Features:
  • To Reposition The Front And/Or Rear Leaf Spring Mounting Points Spring Eyes You Can Simply And Effectively Lower Your Leaf Spring Equipped Sport Truck Or SUV Without Changing The Factory Leaf Spring
  • This Allows You To Retain OEM Ride Quality And Possibly More Importantly Factory Load Capacity
  • Belltech Shackle Kits Are Designed Drop The Rear Of Your Sport Truck Or SUV Up To 2 Inches
  • For Some Applications We Also Offer A 1/2 Inch Lifting Shackle Kits
  • Belltech Shackle Kits Are Constructed From Heavy Gauge Die Stamped P And O Steel To Insure A Perfect Fit And Superior Quality
  • All Shackles Are Powder Coated And Feature OEM Quality Silent Bloc Rubber Bushings And That Do Not Need Maintenance Unlike Polyurethane
See More

Rare Parts – Spring Bushing (Part No.RP35975)

Spring Bushing

from

$32.99
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
See More

Dorman – Suspension Leaf Spring Shackle Bushing (Part No.541-600)

Suspension Leaf Spring Shackle Bushing

from

$19.99
This leaf spring shackle bushing 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 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
See More

Top-Rated Suspension Parts Brands For Your 1978 GMC K15

Shop for the best-rated brands offering Suspension Parts and other products for your 1978 GMC K15s. Below you’ll find some of our best rated Suspension Parts from Monroe and Rancho, and more. Suspension Parts from these brands that fit a 1978 K15 start at just $79.99 and are rated as high as 4.4 stars. OEM and aftermarket Suspension Parts don’t get more top quality, durable, and affordable than from the brands below.

Popular Monroe 1978 GMC K15 Suspension Parts

When it comes to maintaining or upgrading your 1978 GMC K15, using quality Suspension Parts is essential to ensure durability and a perfect fit. Monroe ticks all of those boxes. We offer a wide selection of Monroe Suspension Parts, specifically designed for the 1978 GMC K15. With over 3 Monroe brand Suspension Parts in stock, you’re sure to find what you need. The prices for these top-notch parts start as low as $79.99, with an average price of just $120.32. Plus, with over 5 customer reviews and an average rating of 4.4 stars, you can trust that our Monroe Suspension Parts will get the job done right. Choose Advance Auto Parts for reliability, quality, and expert-approved parts that keep your vehicle running strong.
Max-Air Adjustable Air Shock Absorber Pack of 2
from $188.99
(2)
Max-Air Adjustable Air Shock Absorber Pack of 2
“can raise and lower the vehicle very easily gives my 77 chevy truck several differnet looks and the ride is great”
Gas-Magnum Outer Suspension Shock Absorber
from $79.99
(1)
Gas-Magnum Outer Suspension Shock Absorber
“great part and price”
Gas-Magnum Suspension Shock Absorber
from $91.99
(2)
Gas-Magnum Suspension Shock Absorber
“Everthing was just as described and easy to install.”

Popular Rancho 1978 GMC K15 Suspension Parts

Rancho auto parts is one of the highest quality Suspension Part brands in the market. Any 1978 GMC K15 owner should feel confident when installing genuine Rancho parts in their vehicle. To ensure the best fit and performance for your 1978 K15, Advance Auto Parts carries a full inventory of 1 Rancho Suspension Parts. Plus you will be keeping your GMC in peak condition while saving money because prices on these Rancho Suspension Parts range up to $90.99, plus, with more than 2 customer reviews and an impressive 4.1 stars average rating, you can be confident the Fram Suspension Parts below will deliver on both quality and value.
Suspension Shock Absorber RS5000X
from $90.99
(2)
Suspension Shock Absorber RS5000X
“Rides great”

FAQs for 1978 GMC K15 Suspension Parts

Which Suspension Parts are best-sellers for 1978 GMC K15s?

Out of 66 Suspension Parts that fit 1978 GMC K15s, the following parts are the top sellers:

What’s the price range for 1978 GMC K15 Suspension Parts?

Suspension Part prices for the 1978 GMC K15 start at $10.99 and go up to $629.99 for the most premium parts.

What’s the average price of a Suspension Part for a 1978 GMC K15?

The average price for Suspension Parts for the 1978 GMC K15 is $116.71. Keep in mind the variety of part types within our Suspension Part category so you are likely to find a wide range of prices across a variety of parts and components.

Does Advance Auto Parts sell Suspension Parts for other GMC K15 model years?

Yes, we currently carry Suspension Parts for 2 model years of GMC K15s between 1975 and 1977. Suspension Parts are bought most frequently for the following model years: 1977, 1976, and 1975.

What are the cheapest Suspension Parts for my 1978 GMC K15?

The cheapest 1978 GMC K15 Suspension Parts we carry in stock are:

What are the top-rated Suspension Parts that fit the 1978 GMC K15?

Out of 400 reviews by customers, our 1978 GMC K15 Suspension Parts have an average customer rating of . These are some of the highest-rated Suspension Part types for the 1978 GMC K15 and their top-rated products:

Can I get help with 1978 GMC K15 Suspension Part orders?

Contact our customer support team, by chat or phone, through the help desk page, where you can find instant answers about GMC Suspension Parts and more.

What is your return policy for GMC K15 Suspension Parts?

Advance Auto Parts keeps returns simple. For new GMC K15 Suspension Parts and accessories, your online orders can be returned, in their original condition, within 45 days. For requirements, see the returns page.