1991 Mercury Grand Marquis Suspension Parts

Essential Suspension Parts for 1991 Mercury Grand Marquis

Bilstein – B6 Performance – Shock Absorber (Part No.L4000396440BIL)

B6 Performance - Shock Absorber

from

$141.65
Bilstein B6 Performance gas pressure shock absorbers and struts are the ideal choice for most vehicles, including full-size sedans, SUVs and trucks. These shock absorbers and struts provide improved handling and stability, without sacrificing ride comfort. Bilstein B6 Performance shock absorbers offer superior damping ability that makes them ideal for the driver who demands superior performance, while maintaining an exceptional street ride.

Product Features:
  • Monotube gas pressure construction
  • Improved safety and sportiness
  • Added traction and enhanced stability
  • Increased durability and performance while maintaining ride comfort
  • Road-tested and fine-tuned by BILSTEIN for each vehicle specific application The performance of the Bilstein shocks does not decline from age, use or heat, requiring no compensating manual adjustments as with conventional multi-tube shocks.
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Suncore – Air Suspension Conversion Kit (Part No.40F-30-HD)

Air Suspension Conversion Kit

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$124.99
At Suncore Industries, we will endeavor to provide High Quality & Reliability Air Suspension Products. Everything we do will encompass successfully addressing the need for exceptional Customer Satisfaction and Product Quality & Reliability. We understand how frustrating it can be to have a part not perform to expectations. We are mechanics and car owners too. Our mission is to provide you with the level of quality you deserve.

Product Features:
  • Includes Instructions
  • Lifetime Warranty
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KYB – High Pressure Monotube Gas Shock (Part No.KG4515)

High Pressure Monotube Gas Shock

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$72.99
Product Features:
  • Adds up to 25% more damping performance over original equipment shocks
  • Components and valving designed specifically for classic cars
  • High gas pressure design provides instant, extra control
  • Monotube design outperforms all other standard shock absorbers
  • Unique, air-free, hydraulic unit eliminates performance fade
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Monroe – Max-Air Air Shock Absorber (Part No.MA700)

Max-Air Air Shock Absorber

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$106.99
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.
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Firestone Ride-Rite – Controls Two Air Springs Individually, Switch Operated (Part No.2168)

Controls Two Air Springs Individually, Switch Operated

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$1217.99
Designed to provide inflation control of your air helper springs. This kit will be an asset to your vehicle, meeting nearly all of your air supply needs.

Product Features:
  • Individual Air Accessory Components Are Also Available, Including Compressors, Air Tanks, And Mounting Solutions, Providing A Wide Variety Of Air Control Assist Solutions
  • Adjust The Ride For Various Load And Road Conditions With A Switch, Remote Or Mobile App
  • Provides An Instant Air Source For The Air Helper Springs Or Accessories
  • Dual Point Fill (Both Air Springs Fill Independently Of Each Other)
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Suncore – AirSpSolenoid (Part No.F-45-2-PAIR)

AirSpSolenoid

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$59.99
AirSpSolenoid

Firestone Ride-Rite – Portable, Maximum 130 Psi, 18 Amps, With Compressor Only (Part No.9284)

Portable, Maximum 130 Psi, 18 Amps, With Compressor Only

from

$251.99
The Air Command Standard Duty Dual Electric Air Compressor System Kit Allows You To Adjust Your Air Springs With The Touch Of A Button. It Offers A Built in Air Source For Your Suspension System, Making It Easy To Alter Your Springs To Align With The Load Type And Environment. When Shopping For Air Accessories, You will Find That Firestone Air Command Standard Duty Dual Electric Air Compressor System Kit Is Designed To Have A Couple Of Special Benefits. First, The Air Command Standard Duty Dual Electric Air Compressor System Kit Comes Ready To Install, So You Can Set It Up And Get Back To The Road where You Want To Be. Just Connect A Few Wires To The Compressor And A Few To Your Vehicle. The Air Lines And Wiring Harness Can Be Plugged Into The Same Side Of The Unit For Smoother Routing Of Lines And Power Supply. After The Air Command Standard Duty Dual Electric Air Compressor System Kit Is Properly Installed, You Can Make Pressure Adjustments By Pressing A Single Button. This Air Command Standard Duty Dual Electric Air Compressor System Kit Component Allows For Side To Side Or Front to rear Leveling, Real time Pressure Readout, And Dual Left And Right PSI And Pressure Control Readouts. The Air Command Standard Duty Dual Electric Air Compressor System Kit Easy to read Needle Gauge Can Be Viewed Day Or Night, Without Straining Or Squinting Your Eyes. Prior To Installing The Air Command Standard Duty Dual Electric Air Compressor System Kit, Review The Instructions And Identify All Of The Components To Help Make Sure You Get Maximum Performance From Both Your Air Springs And Air Command Standard Duty Dual Electric Air Compressor System Kit. The Installation Steps Are Different Depending On Whether You are Enhancing An Existing Air Helper Spring System With The Air Command Standard Duty Dual Electric Air Compressor System Kit Or Installing It With A New Air Spring System.

Product Features:
  • Individual Air Accessory Components Are Also Available, Including Compressors, Air Tanks, And Mounting Solutions, Providing A Wide Variety Of Air Control Assist Solutions
  • Adjust The Ride For Various Load And Road Conditions With A Switch, Remote Or Mobile App
  • Provides An Instant Air Source For The Air Helper Springs Or Accessories
  • Dual Point Fill (Both Air Springs Fill Independently Of Each Other)
  • Light Duty Compressor Specs (120 PSI Max Air Pressure, 9 Percent Duty Cycle, 0.32 CFM)
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Suncore – SuspAirBag/Bellows (Part No.40F-15-R-PAIR)

SuspAirBag/Bellows

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$107.99
SuspAirBag/Bellows

Suncore – Quick Strut Kit (Part No.2-55S11800-001)

Quick Strut Kit

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$209.99
Quick Strut Kit

Firestone Ride-Rite – Air Spring, Inside Coil Spring Mnt, 500-1000Lb Leveling, Adjustable From 5-35Psi (Part No.4108)

Air Spring, Inside Coil Spring Mnt, 500-1000Lb Leveling, Adjustable From 5-35Psi

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$145.99
Discover the difference Coil-Rite air helper springs can make in improving the ride, handling and braking of your vehicle. Coil-Rite air helper springs provide extra support for coil springs in cars, minivans, vans, light trucks, RV and SUV. The adjustable Coil-Rite air helper springs will level your vehicle, provide a smoother ride, and assist with more effective braking and handling, even under heavy loading and adverse road conditions. Coil-Rite air helper springs are designed to fit inside existing coil spring suspensions, creating a variable rate spring. These air helper springs are made of durable, elastic polyurethane, providing years of comfort and stability to your vehicle. Firestone Coil-Rite air helper springs enable adjustment for varying loads and road conditions by controlling the air pressure in the air helper springs. Spring performance can be altered as easily as inflating a tire. The air springs will support 500 To 1000 Pounds per set.

Product Features:
  • Made Of Durable Polyurethane To Withstand The Rigors Of Coil-Sprung Suspensions
  • Increase Vehicle Stability Absorbs Road Shock Providing A Smooth Ride For Passengers And Load
  • Keep The Vehicle Level Improves Steering Control And Braking Effectiveness, Levels Headlight Beams And Reduces Tire Wear
  • Reduce Bottoming Out, Protective Air Cushion Softens Contact Between The Axle And Frame
  • Discover The Difference Coil-Rite Air Helper Springs Can Make In Improving The Ride, Handling And Braking Of Your Vehicle
  • No Drill Installation
  • Everything Is Included For A Quick, Easy Installation. Brackets, Air Springs, Hardware, Air Line, And Separate Valves For Manual Inflation
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Monroe – Magnum Severe Service Shock Absorber (Part No.550055)

Magnum Severe Service Shock Absorber

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$117.99
Engineered for hardworking emergency, municipal, fleet and jobsite vehicles, Monroe® Magnum® Severe Service shocks feature enhanced components for superior stability and ride control in the toughest environments.

Product Features:
  • ENGINEERED FOR EMERGENCY AND FLEET VEHICLES — For hardworking first responder, municipal, fleet and jobsite vehicles and features 10-stage valving that adjusts to road extremes to help handle frequent stops, heavy loads and high miles
  • LONGER SERVICE LIFE — Larger bore, bigger 2-in. reserve tube and 0.05-in. pressure tube work together to hold more oil for greater capacity to allow the shock to work efficiently for controlled ride and longer service life
  • STRONG AND DURABLE — Loop welding techniques include resistance welds and/or arc welds up to 360-degrees for durability while shouldered bushing and bonded bushing (on most applications) delivers quality
  • BUILT TO LAST — Heavy-duty nitrocarburized rod (on most applications) and sintered iron piston enhance durability for longer service life
  • 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 modifiers to handle extreme temperatures and help reduce friction and ensure smooth rod reaction
  • CONTROL AND DURABILITY – Banded piston helps reduce friction between the piston and pressure tube to enhance responsiveness to changing road surfaces for smooth operation
  • .05-inch pressure tube withstanding pressure of 9KPSI – On most applications
  • 10-stage valving: Reacts to wide range of driving conditions – on most applications
  • All weather fluid: Contains special modifiers to reduce frictions and ensure smooth rod reaction
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Valvoline – MaxLife Multi-Vehicle (ATF) Full Synthetic Automatic Transmission Fluid, 1 Gallon (Part No.773775)

MaxLife Multi-Vehicle (ATF) Full Synthetic Automatic Transmission Fluid, 1 Gallon

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$36.49
Valvoline MaxLife Multi-Vehicle Automatic Transmission Fluid (ATF) is a full-synthetic formulation with advanced additives to prevent the major causes of transmission breakdown and help extend transmission life.  Developed to help prevent leaks, maximize transmission performance, reduce transmission wear, and maintain smooth shifting longer than conventional fluids. It is suitable for use in a broad range of ATF applications including most Ford, GM, Toyota, Honda, Nissan, Hyundai, BMW, Mercedes, Volvo, VW & Audi.

Product Features:
  • Formulated with full-synthetic base stocks and advanced additive technology to meet the challenging demands of automatic transmissions.
  • Long life friction modifiers help improve smooth shifting, eliminate slippage and shudder, prevent clutch wear and improve drivability longer than conventional fluids
  • High-performance seal conditioners maintain and preserve the elasticity of seals to help prevent leaks in high mileage transmissions
  • Developed with anti-wear technology to help improve transmission durability
  • Advanced additives to provide better oil flow at low temperatures and greater film protection at higher temperatures
  • Suitable for 95% of traditional ATFs including Dex/Merc, Mercon LV & Mercon V
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Dorman – Suspension Trailing Arm (Part No.522-282)

Suspension Trailing Arm

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$51.99
This suspension control arm 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
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TRW – Control Arm (Part No.L2000200815TRW)

Control Arm

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$260.98
TRW control arms can help improve fuel economy, emissions, energy savings, driving comfort and most important, safety. TRW provides hardware kits as standard on all ball joints, installation instructions and catalog information in all formats. Upper and lower Control Arms designed as:

Product Features:
  • Aluminium forged Control Arms
  • Aluminium cast Control Arms – low weight/high performance
  • Steel forged Control Arms
  • Steel stamped Control Arms Ball Joints include the latest state-of-the-art high performance designs:
  • Temperature resistant
  • Low-torque/high comfort solution
  • Ball stud diameters ranging from 25 to 42mm
  • Integral and non-integral designs Built in Bushes:
  • Rubber Bushes
  • Rubber and Metal Bushes
  • Hydraulic Bushes
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MOOG – Coil Spring Set (Part No.9046)

Coil Spring Set

from

$154.99
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:
  • 100% Load tested
  • Easy to install
  • Provides like-new steering
  • Designed to lower stresses for longer service life
  • Worn or sagging coil springs can cause premature tire wear due to vehicle misalignment
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Monroe – Shock-Mate Shock Absorber Boot Kit (Part No.SA1998)

Shock-Mate Shock Absorber Boot Kit

from

$13.29
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
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Monroe – Shock-Mate Shock Absorber Boot Kit (Part No.SA1997)

Shock-Mate Shock Absorber Boot Kit

from

$13.99
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
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Dorman – Air Suspension Air Spring, Rear, With Hardware (Part No.949-250)

Air Suspension Air Spring, Rear, With Hardware

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$127.99
This air suspension spring is designed to match the fit and function of the original spring on specified vehicles, and is engineered for durability and reliable performance.

Product Features:
  • Direct replacement – this air suspension spring is designed to match the fit and function of the original spring on specified vehicle.
  • Restores functionality – reliable replacement for an original part that has failed due to internal rubber components that have torn or rotted.
  • Durable construction – this part is made from quality materials to ensure reliable performance and long service life
  • Trustworthy quality – backed by team of product experts in the United States and more than a century of automotive experience
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Arnott Air Suspension – Arnott Rear Air Spring (Part No.A-2105)

Arnott Rear Air Spring

from

$133.99
Arnott’s popular rear air spring A-2105 for the 1990-2011 Lincoln Town Car, and 1992-2011 Ford Crown Victoria and Mercury Grand Marquis enables you to quickly replace your leaking air spring. This air spring is assembled and tested for Arnott by world-renowned Continental. The air spring is made with a high impact resin top and bottom mount, a multi-ply ContiTech air sleeve and includes a new seal kit. The air spring bladder has a tested burst pressure of more than 480 PSI … six times its normal working pressure! Arnott recommends changing the Dryer when replacing air springs. Moisture in your system may damage the compressor.
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Monroe – Monroe Shock Absorber Air Hose Kit (Part No.AK18)

Monroe Shock Absorber Air Hose Kit

from

$36.49
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.
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Monroe – Monroe Shock Absorber Air Hose Kit (Part No.AK64)

Monroe 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.
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Rare Parts – Control Arm Bushing (Part No.RP15281)

Control Arm Bushing

from

$25.49
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:
  • Reduces vibration
  • Torsional rubber bushings
  • UV resistant
  • No Squeak
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MOOG – Control Arm Bushing (Part No.K8082)

Control Arm Bushing

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$26.49
Backed by superior materials and rigorous testing, MOOG control arm bushings deliver reliable performance you can count on. MOOG problem-solving innovations ensure fast, hassle-free installation.

Product Features:
  • HIGHLY PRECISE ENGINEERING — Optimized for quiet operation and resistance to wear, salt, road grime and oils
  • PREMIUM MATERIALS — Made from high-quality elastomer compounds for durability and ride performance
  • OE-STYLE DESIGN — Engineered to match or exceed OE requirements
  • RIGOROUS TESTING — Comprehensive testing throughout design and development processes by MOOG engineers for quality you can count on
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MOOG – Coil Spring Insulator (Part No.K6203-2)

Coil Spring Insulator

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$5.29
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:
  • Protects spring and spring seat from damage
  • Replacement helps to reduce noise
  • Includes insulator and bearing
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Rare Parts – Coil Spring Insulator (Part No.RP47081)

Coil Spring Insulator

from

$21.49
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:
  • Reduces vibration
  • Reduces road noise
  • UV resistant
  • No Squeak
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Dorman – Air Suspension Line Repair Union, 90 Degree And Straight Connector: OE Fix (Part No.949-210)

Air Suspension Line Repair Union, 90 Degree And Straight Connector: OE Fix

from

$21.99
This air suspension compressor line repair kit is designed to match the original components required to repair the air suspension compressor on specified vehicles. Made of quality components, this kit is engineered for reliable performance and durability.

Product Features:
  • Upgraded replacement – this air suspension compressor line repair union directly replaces the original with stronger material.
  • Increased durability – brass construction prevents future failures from original brittle plastic design.
  • Application specific – this union is made for a wide range of Ford, Lincoln and Mercury vehicles
  • Quality engineering – designed in the United States and backed by decades of automotive aftermarket experience
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Upgrade your 1991 Mercury Grand Marquis with Top-Quality Suspension Parts

When it comes to maintaining or upgrading your 1991 Mercury Grand Marquis, nothing is more important than using high-quality OEM or aftermarket parts that you can trust. Whether you’re repairing damage to your Mercury or enhancing its overall performance, Suspension Parts are key to keeping your Grand Marquis functioning at its best. At Advance Auto Parts, we offer a wide selection of 50 Suspension Parts for the 1991 Mercury Grand Marquis, designed to meet your needs without breaking the bank. From Shocks and Strut replacements to Coil and Leaf Springs 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 1991 Mercury Grand Marquis at great prices. Our Suspension Parts inventory for this model ranges from just $5.29 to $1,217.99, with an average price of $119.76. Our 50 Suspension Parts in stock come from 12 trusted brands, so you’re sure to find the right part for your 1991 Mercury Grand Marquis 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 1991 Mercury Grand Marquis, we stock popular OEM and aftermarket Suspension Parts from top names like Valvoline, Monroe, Moog, and more. Valvoline Suspension Parts start at just $36.49 and boast an impressive 5 stars average rating from customers. Monroe and Moog also bring quality to the table, with Suspension Parts available starting at $5.29, and at an average 4 stars rating. With 572 customer reviews and counting, our 1991 Mercury Grand Marquis 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 1991 Mercury Grand Marquis is always ready to roll. We’re committed to providing you with everything you need to keep your Grand Marquis in top shape, all in one place. Start shopping confidently below for your 1991 Mercury Grand Marquis!

Best-Selling Shocks and Struts for 1991 Mercury Grand Marquis

Enhance the driving experience in your Mercury with 11 quality Shocks and Strut components, starting at $13.29.

KYB – Gas Shock (Part No.344081)

Gas Shock

from

$68.99
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:
  • KYB Recommended Orem Replacement Shock For Domestic Vehicles
  • The KYB Excel-G Helps Restore The Designed Control And Handling Of Your Vehicle
  • 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
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Monroe – Gas-Matic Passenger Car Shock Absorber (Part No.55961)

Gas-Matic Passenger Car Shock Absorber

from

$44.99
Monroe® Gas-Matic passenger car shock absorber are gas charged and provide improved control at an economical price.

Product Features:
  • Available for import and domestic passenger cars
  • Gas-charged unit
  • Improved handling and control
  • Economical OE replacement
  • Meets OE product specifications
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Monroe – OESpectrum Passenger Car Shock Absorber (Part No.5801)

OESpectrum Passenger Car Shock Absorber

from

$85.99
Designed to restore a vehicle’s original factory drivability and performance, Monroe® OESpectrum® passenger car shock absorbers provide an exceptional level of handling precision and control while filtering out noise, vibration and harshness.

Product Features:
  • 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
  • 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 — Fluon-banded piston provides consistent sealing between piston and pressure tube for better control and increased durability
  • CONSISTENT RIDE — OE all-weather fluid contains special additives to assist with extreme temperatures and help reduce oil breakdown
  • 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 and handling, helps maintain tire to road contact by reducing aeration – on most applications
  • 1/2 inch Diameter Piston Rod: 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.
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Monroe – OESpectrum Passenger Car Shock Absorber (Part No.5961)

OESpectrum Passenger Car Shock Absorber

from

$83.99
Designed to restore a vehicle’s original factory drivability and performance, Monroe® OESpectrum® passenger car shock absorbers provide an exceptional level of handling precision and control while filtering out noise, vibration and harshness.

Product Features:
  • 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
  • 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 — Fluon-banded piston provides consistent sealing between piston and pressure tube for better control and increased durability
  • CONSISTENT RIDE — OE all-weather fluid contains special additives to assist with extreme temperatures and help reduce oil breakdown
  • 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 and handling, helps maintain tire to road contact by reducing aeration – on most applications
  • 1/2 inch Diameter Piston Rod: 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.
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Monroe – Shock-Mate Shock Absorber Boot Kit (Part No.SA1997)

Shock-Mate Shock Absorber Boot Kit

from

$13.99
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
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Monroe – Shock-Mate Shock Absorber Boot Kit (Part No.SA1998)

Shock-Mate Shock Absorber Boot Kit

from

$13.29
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
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Monroe – Gas-Matic Passenger Car Shock Absorber (Part No.55801)

Gas-Matic Passenger Car Shock Absorber

from

$55.99
Monroe® Gas-Matic passenger car shock absorber are gas charged and provide improved control at an economical price.

Product Features:
  • Available for import and domestic passenger cars
  • Gas-charged unit
  • Improved handling and control
  • Economical OE replacement
  • Meets OE product specifications
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KYB – High Pressure Monotube Gas Shock (Part No.KG4515)

High Pressure Monotube Gas Shock

from

$72.99
Product Features:
  • Adds up to 25% more damping performance over original equipment shocks
  • Components and valving designed specifically for classic cars
  • High gas pressure design provides instant, extra control
  • Monotube design outperforms all other standard shock absorbers
  • Unique, air-free, hydraulic unit eliminates performance fade
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KYB – Gas Shock (Part No.343135)

Gas Shock

from

$47.49
Product Features:
  • Recommended OEM replacement shock for classic, domestic cars
  • Specifically calibrated to help restore original handling and control characteristics
  • Uses a seamless working cylinder matched with a Teflon coated piston band for a positive seal and longer life
  • Triple chrome plated piston rod and multi-lip oil seals that reduce wear
  • Solid seamless mounting eye rings and bolt bushings to eliminate rattles
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KYB – Gas Shock (Part No.343128)

Gas Shock

from

$54.99
Product Features:
  • Recommended OEM replacement shock for classic, domestic cars
  • Specifically calibrated to help restore the original handling and control characteristics of the Ford Focus
  • Uses a seamless working cylinder matched with a Teflon coated piston band for a positive seal and longer life
  • Triple chrome plated piston rod and multi-lip oil seals that reduce wear
  • Solid seamless mounting eye rings and bolt bushings to eliminate rattles
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Suncore – Shock (Part No.40F-12-R)

Shock

from

$32.99
At Suncore Industries, we will endeavor to provide High Quality & Reliability Air Suspension Products. Everything we do will encompass successfully addressing the need for exceptional Customer Satisfaction and Product Quality & Reliability. We understand how frustrating it can be to have a part not perform to expectations. We are mechanics and car owners too. Our mission is to provide you with the level of quality you deserve.

Product Features:
  • Smooth Ride
  • Lifetime Warranty
  • Direct Replacement
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Most Popular 1991 Mercury Grand Marquis Coil and Leaf Springs

Customize your Mercury with 9 Coil and Leaf Springs products like Shock Absorber and Coil Spring Assemblies, Coil Spring Insulators, and Front Coil Springs, all priced under $229.99.

MOOG – Coil Spring Set (Part No.9046)

Coil Spring Set

from

$154.99
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:
  • 100% Load tested
  • Easy to install
  • Provides like-new steering
  • Designed to lower stresses for longer service life
  • Worn or sagging coil springs can cause premature tire wear due to vehicle misalignment
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MOOG – Coil Spring Insulator (Part No.K6203-2)

Coil Spring Insulator

from

$5.29
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:
  • Protects spring and spring seat from damage
  • Replacement helps to reduce noise
  • Includes insulator and bearing
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Monroe – Load Adjusting Shock Absorber (Part No.58263)

Load Adjusting Shock Absorber

from

$113.99
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.
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MOOG – Coil Spring Insulator (Part No.K160066)

Coil Spring Insulator

from

$11.99
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:
  • Protects spring and spring seat from damage
  • Replacement helps to reduce noise
  • Includes insulator and bearing
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Suncore – Air Suspension Conversion Kit (Part No.40F-30-R)

Air Suspension Conversion Kit

from

$119.99
At Suncore Industries, we will endeavor to provide High Quality & Reliability Air Suspension Products. Everything we do will encompass successfully addressing the need for exceptional Customer Satisfaction and Product Quality & Reliability. We understand how frustrating it can be to have a part not perform to expectations. We are mechanics and car owners too. Our mission is to provide you with the level of quality you deserve.

Product Features:
  • Includes Instructions
  • Lifetime Warranty
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Suncore – Air Suspension Conversion Kit (Part No.43F-30-R)

Air Suspension Conversion Kit

from

$124.99
At Suncore Industries, we will endeavor to provide High Quality & Reliability Air Suspension Products. Everything we do will encompass successfully addressing the need for exceptional Customer Satisfaction and Product Quality & Reliability. We understand how frustrating it can be to have a part not perform to expectations. We are mechanics and car owners too. Our mission is to provide you with the level of quality you deserve.

Product Features:
  • Includes Instructions
  • Lifetime Warranty
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Suncore – Conversion Assembly (Part No.45F-30-HD-ASSY)

Conversion Assembly

from

$229.99
At Suncore Industries, we will endeavor to provide High Quality & Reliability Air Suspension Products. Everything we do will encompass successfully addressing the need for exceptional Customer Satisfaction and Product Quality & Reliability. We understand how frustrating it can be to have a part not perform to expectations. We are mechanics and car owners too. Our mission is to provide you with the level of quality you deserve.

Product Features:
  • Conversion Assembly
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Suncore – Air Suspension Conversion Kit (Part No.40F-30-HD)

Air Suspension Conversion Kit

from

$124.99
At Suncore Industries, we will endeavor to provide High Quality & Reliability Air Suspension Products. Everything we do will encompass successfully addressing the need for exceptional Customer Satisfaction and Product Quality & Reliability. We understand how frustrating it can be to have a part not perform to expectations. We are mechanics and car owners too. Our mission is to provide you with the level of quality you deserve.

Product Features:
  • Includes Instructions
  • Lifetime Warranty
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Rare Parts – Coil Spring Insulator (Part No.RP47081)

Coil Spring Insulator

from

$21.49
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:
  • Reduces vibration
  • Reduces road noise
  • UV resistant
  • No Squeak
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Top Picks for 1991 Mercury Grand Marquis Control Arms

Upgrade Mercury Grand Marquis with top-quality Control Arms parts, including 15 OEM and aftermarket selections for your 1991 model.

Driveworks – Control Arm Bushing (Part No.DW-K8276B)

Control Arm Bushing

from

$10.79
Control Arm Bushing

Driveworks – CONTROL ARM BUSHING (Part No.DW-K8297B)

CONTROL ARM BUSHING

from

$13.49
CONTROL ARM BUSHING

MOOG – Control Arm Bushing Kit (Part No.K80029)

Control Arm Bushing Kit

from

$56.99
Backed by superior materials and rigorous testing, MOOG control arm bushings deliver reliable performance you can count on. MOOG problem-solving innovations ensure fast, hassle-free installation.

Product Features:
  • HIGHLY PRECISE ENGINEERING — Optimized for quiet operation and resistance to wear, salt, road grime and oils
  • PREMIUM MATERIALS — Made from high-quality elastomer compounds for durability and ride performance
  • OE-STYLE DESIGN — Engineered to match or exceed OE requirements
  • RIGOROUS TESTING — Comprehensive testing throughout design and development processes by MOOG engineers for quality you can count on
  • Metal rib design helps lock the inner tube within frame pocket
  • Metal surfaces are phosphate coated for corrosion protection
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MOOG – Control Arm Bushing Kit (Part No.K8276)

Control Arm Bushing Kit

from

$26.49
Backed by superior materials and rigorous testing, MOOG control arm bushings deliver reliable performance you can count on. MOOG problem-solving innovations ensure fast, hassle-free installation.

Product Features:
  • HIGHLY PRECISE ENGINEERING — Optimized for quiet operation and resistance to wear, salt, road grime and oils
  • PREMIUM MATERIALS — Made from high-quality elastomer compounds for durability and ride performance
  • OE-STYLE DESIGN — Engineered to match or exceed OE requirements
  • RIGOROUS TESTING — Comprehensive testing throughout design and development processes by MOOG engineers for quality you can count on
  • Metal rib design helps lock the inner tube within frame pocket
  • Metal surfaces are phosphate coated for corrosion protection
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Driveworks – Control Arm Bushing (Part No.DW-K80029B)

Control Arm Bushing

from

$22.99
Control Arm Bushing

Dorman – Control Arm (Part No.L2000200817DOR)

Control Arm

from

$211.40
Rigorously tested for sustained, secure performance by a team of product and quality engineers, Dorman’s Control Arm and Ball Joint Assembly is designed for passenger safety. Dorman’s industry-leading evaluation process ensures a smooth ride, directional stability, and agile handling.

Product Features:
  • Ball joints and bushings (when applicable) included for a complete installation, saving time and labor (where applicable)
  • Direct replacement for a trouble-free installation
  • Steel, iron or aluminum construction ensures durability
  • Powder-coated or painted for long-lasting rust and corrosion resistance
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Dorman – Control Arm (Part No.L2000200815DOR)

Control Arm

from

$210.55
Rigorously tested for sustained, secure performance by a team of product and quality engineers, Dorman’s Control Arm and Ball Joint Assembly is designed for passenger safety. Dorman’s industry-leading evaluation process ensures a smooth ride, directional stability, and agile handling.

Product Features:
  • Ball joints and bushings (when applicable) included for a complete installation, saving time and labor (where applicable)
  • Direct replacement for a trouble-free installation
  • Steel, iron or aluminum construction ensures durability
  • Powder-coated or painted for long-lasting rust and corrosion resistance
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Autopart International Inc – Control Arm (Part No.L20002078126API)

Control Arm

from

$163.86
Control Arm

Autopart International Inc – Control Arm (Part No.L20001982421API)

Control Arm

from

$162.32
Control Arm

Rare Parts – Control Arm Bushing (Part No.RP15962)

Control Arm Bushing

from

$51.99
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:
  • Reduces vibration
  • Torsional rubber bushings
  • UV resistant
  • No Squeak
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MOOG – Control Arm Bushing Kit (Part No.K8297)

Control Arm Bushing Kit

from

$47.49
Backed by superior materials and rigorous testing, MOOG control arm bushings deliver reliable performance you can count on. MOOG problem-solving innovations ensure fast, hassle-free installation.

Product Features:
  • HIGHLY PRECISE ENGINEERING — Optimized for quiet operation and resistance to wear, salt, road grime and oils
  • PREMIUM MATERIALS — Made from high-quality elastomer compounds for durability and ride performance
  • OE-STYLE DESIGN — Engineered to match or exceed OE requirements
  • RIGOROUS TESTING — Comprehensive testing throughout design and development processes by MOOG engineers for quality you can count on
  • Metal rib design helps lock the inner tube within frame pocket
  • Metal surfaces are phosphate coated for corrosion protection
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Dorman – Suspension Control Arm Bushing Kit (Part No.533-553)

Suspension Control Arm Bushing Kit

from

$26.99
This suspension control arm bushing kit is precision-engineered and rigorously tested to provide reliable replacement for the original equipment on specific vehicles.

Product Features:
  • Direct replacement – fits and performs like the original equipment 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
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Rare Parts – Control Arm Bushing (Part No.RP15159)

Control Arm Bushing

from

$24.79
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:
  • Reduces vibration
  • Torsional rubber bushings
  • UV resistant
  • No Squeak
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TRW – Control Arm Bushing Kit (Part No.L2040458048TRW)

Control Arm Bushing Kit

from

$23.45
TRW sets the standard within the Aftermarket, with tests that go beyond the ordinary to ensure every chassis part we produce meets stringent vehicle manufacturer quality standards, in line with the Original Equipment specification. To help make sure that our parts can go the distance, TRW utilizes on the road tests and the most advanced test machines available, in both our Original Equipment and Aftermarket facilities as well as by independent testing labs. So you can be sure that TRW parts are tested for your safety. The TRW Control Arm Bushing Kit is a direct fit OEM replacement that contains the same high quality craftsmanship and materials as the original equipment they replace.

Product Features:
  • OE-Equivalent and a direct fit application.
  • Meets or exceeds the OE specifications.
  • Designed to reduce vibration and absorb noise.
  • Kit includes bushings and hardware – (SEE Note)
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Dorman – Suspension Control Arm Bushing Kit (Part No.533-550)

Suspension Control Arm Bushing Kit

from

$11.99
This suspension control arm bushing kit is precision-engineered and rigorously tested to provide reliable replacement for the original equipment on specific vehicles.

Product Features:
  • Direct replacement – fits and performs like the original equipment 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
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In-Demand Air Suspension and Kits for 1991 Mercury Grand Marquis

Select from 15 premium Air Suspension and Kits parts for your 1991 Mercury Grand Marquis, with prices ranging from $6.29 to $1,217.99.

Valvoline – MaxLife Multi-Vehicle (ATF) Full Synthetic Automatic Transmission Fluid, 1 Gallon (Part No.773775)

MaxLife Multi-Vehicle (ATF) Full Synthetic Automatic Transmission Fluid, 1 Gallon

from

$36.49
Valvoline MaxLife Multi-Vehicle Automatic Transmission Fluid (ATF) is a full-synthetic formulation with advanced additives to prevent the major causes of transmission breakdown and help extend transmission life.  Developed to help prevent leaks, maximize transmission performance, reduce transmission wear, and maintain smooth shifting longer than conventional fluids. It is suitable for use in a broad range of ATF applications including most Ford, GM, Toyota, Honda, Nissan, Hyundai, BMW, Mercedes, Volvo, VW & Audi.

Product Features:
  • Formulated with full-synthetic base stocks and advanced additive technology to meet the challenging demands of automatic transmissions.
  • Long life friction modifiers help improve smooth shifting, eliminate slippage and shudder, prevent clutch wear and improve drivability longer than conventional fluids
  • High-performance seal conditioners maintain and preserve the elasticity of seals to help prevent leaks in high mileage transmissions
  • Developed with anti-wear technology to help improve transmission durability
  • Advanced additives to provide better oil flow at low temperatures and greater film protection at higher temperatures
  • Suitable for 95% of traditional ATFs including Dex/Merc, Mercon LV & Mercon V
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Monroe – Monroe Shock Absorber Air Hose Kit (Part No.AK18)

Monroe Shock Absorber Air Hose Kit

from

$36.49
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.
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Monroe – Monroe Shock Absorber Air Hose Kit (Part No.AK64)

Monroe 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.
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Monroe – Max-Air Air Shock Absorber (Part No.MA815)

Max-Air Air Shock Absorber

from

$158.99
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.
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Suncore – SuspAirBag/Bellows (Part No.40F-15-R-PAIR)

SuspAirBag/Bellows

from

$107.99
SuspAirBag/Bellows

Dorman – Air Suspension Line Repair Union, 90 Degree And Straight Connector: OE Fix (Part No.949-210)

Air Suspension Line Repair Union, 90 Degree And Straight Connector: OE Fix

from

$21.99
This air suspension compressor line repair kit is designed to match the original components required to repair the air suspension compressor on specified vehicles. Made of quality components, this kit is engineered for reliable performance and durability.

Product Features:
  • Upgraded replacement – this air suspension compressor line repair union directly replaces the original with stronger material.
  • Increased durability – brass construction prevents future failures from original brittle plastic design.
  • Application specific – this union is made for a wide range of Ford, Lincoln and Mercury vehicles
  • Quality engineering – designed in the United States and backed by decades of automotive aftermarket experience
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Suncore – Air Spring (Part No.40F-15-R)

Air Spring

from

$59.99
At Suncore Industries, we will endeavor to provide High Quality & Reliability Air Suspension Products. Everything we do will encompass successfully addressing the need for exceptional Customer Satisfaction and Product Quality & Reliability. We understand how frustrating it can be to have a part not perform to expectations. We are mechanics and car owners too. Our mission is to provide you with the level of quality you deserve.

Product Features:
  • Air Bellow Produced For Suncore By Goodyear
  • Lifetime Warranty
  • Includes O-Rings
  • Includes Instructions
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Firestone Ride-Rite – Portable, Maximum 130 Psi, 18 Amps, With Compressor Only (Part No.9284)

Portable, Maximum 130 Psi, 18 Amps, With Compressor Only

from

$251.99
The Air Command Standard Duty Dual Electric Air Compressor System Kit Allows You To Adjust Your Air Springs With The Touch Of A Button. It Offers A Built in Air Source For Your Suspension System, Making It Easy To Alter Your Springs To Align With The Load Type And Environment. When Shopping For Air Accessories, You will Find That Firestone Air Command Standard Duty Dual Electric Air Compressor System Kit Is Designed To Have A Couple Of Special Benefits. First, The Air Command Standard Duty Dual Electric Air Compressor System Kit Comes Ready To Install, So You Can Set It Up And Get Back To The Road where You Want To Be. Just Connect A Few Wires To The Compressor And A Few To Your Vehicle. The Air Lines And Wiring Harness Can Be Plugged Into The Same Side Of The Unit For Smoother Routing Of Lines And Power Supply. After The Air Command Standard Duty Dual Electric Air Compressor System Kit Is Properly Installed, You Can Make Pressure Adjustments By Pressing A Single Button. This Air Command Standard Duty Dual Electric Air Compressor System Kit Component Allows For Side To Side Or Front to rear Leveling, Real time Pressure Readout, And Dual Left And Right PSI And Pressure Control Readouts. The Air Command Standard Duty Dual Electric Air Compressor System Kit Easy to read Needle Gauge Can Be Viewed Day Or Night, Without Straining Or Squinting Your Eyes. Prior To Installing The Air Command Standard Duty Dual Electric Air Compressor System Kit, Review The Instructions And Identify All Of The Components To Help Make Sure You Get Maximum Performance From Both Your Air Springs And Air Command Standard Duty Dual Electric Air Compressor System Kit. The Installation Steps Are Different Depending On Whether You are Enhancing An Existing Air Helper Spring System With The Air Command Standard Duty Dual Electric Air Compressor System Kit Or Installing It With A New Air Spring System.

Product Features:
  • Individual Air Accessory Components Are Also Available, Including Compressors, Air Tanks, And Mounting Solutions, Providing A Wide Variety Of Air Control Assist Solutions
  • Adjust The Ride For Various Load And Road Conditions With A Switch, Remote Or Mobile App
  • Provides An Instant Air Source For The Air Helper Springs Or Accessories
  • Dual Point Fill (Both Air Springs Fill Independently Of Each Other)
  • Light Duty Compressor Specs (120 PSI Max Air Pressure, 9 Percent Duty Cycle, 0.32 CFM)
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Firestone Ride-Rite – Air Spring, Inside Coil Spring Mnt, 500-1000Lb Leveling, Adjustable From 5-35Psi (Part No.4108)

Air Spring, Inside Coil Spring Mnt, 500-1000Lb Leveling, Adjustable From 5-35Psi

from

$145.99
Discover the difference Coil-Rite air helper springs can make in improving the ride, handling and braking of your vehicle. Coil-Rite air helper springs provide extra support for coil springs in cars, minivans, vans, light trucks, RV and SUV. The adjustable Coil-Rite air helper springs will level your vehicle, provide a smoother ride, and assist with more effective braking and handling, even under heavy loading and adverse road conditions. Coil-Rite air helper springs are designed to fit inside existing coil spring suspensions, creating a variable rate spring. These air helper springs are made of durable, elastic polyurethane, providing years of comfort and stability to your vehicle. Firestone Coil-Rite air helper springs enable adjustment for varying loads and road conditions by controlling the air pressure in the air helper springs. Spring performance can be altered as easily as inflating a tire. The air springs will support 500 To 1000 Pounds per set.

Product Features:
  • Made Of Durable Polyurethane To Withstand The Rigors Of Coil-Sprung Suspensions
  • Increase Vehicle Stability Absorbs Road Shock Providing A Smooth Ride For Passengers And Load
  • Keep The Vehicle Level Improves Steering Control And Braking Effectiveness, Levels Headlight Beams And Reduces Tire Wear
  • Reduce Bottoming Out, Protective Air Cushion Softens Contact Between The Axle And Frame
  • Discover The Difference Coil-Rite Air Helper Springs Can Make In Improving The Ride, Handling And Braking Of Your Vehicle
  • No Drill Installation
  • Everything Is Included For A Quick, Easy Installation. Brackets, Air Springs, Hardware, Air Line, And Separate Valves For Manual Inflation
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Suncore – Air Spring Kit (Part No.40F-15-R-KIT)

Air Spring Kit

from

$424.99
At Suncore Industries, we will endeavor to provide High Quality & Reliability Air Suspension Products. Everything we do will encompass successfully addressing the need for exceptional Customer Satisfaction and Product Quality & Reliability. We understand how frustrating it can be to have a part not perform to expectations. We are mechanics and car owners too. Our mission is to provide you with the level of quality you deserve.

Product Features:
  • Air Bellow Produced For Suncore By Goodyear
  • Lifetime Warranty
  • Includes O-Rings
  • Includes Instructions
See More

Suncore – AirSpSolenoid (Part No.F-45-2-PAIR)

AirSpSolenoid

from

$59.99
AirSpSolenoid

Firestone Ride-Rite – Controls Two Air Springs Individually, Switch Operated (Part No.2168)

Controls Two Air Springs Individually, Switch Operated

from

$1217.99
Designed to provide inflation control of your air helper springs. This kit will be an asset to your vehicle, meeting nearly all of your air supply needs.

Product Features:
  • Individual Air Accessory Components Are Also Available, Including Compressors, Air Tanks, And Mounting Solutions, Providing A Wide Variety Of Air Control Assist Solutions
  • Adjust The Ride For Various Load And Road Conditions With A Switch, Remote Or Mobile App
  • Provides An Instant Air Source For The Air Helper Springs Or Accessories
  • Dual Point Fill (Both Air Springs Fill Independently Of Each Other)
See More

Firestone Ride-Rite – Includes Heavy Duty Compressor/3 Gallon Air Tank/25 Foot Extension Hose (Part No.2239)

Includes Heavy Duty Compressor/3 Gallon Air Tank/25 Foot Extension Hose

from

$823.99
Our Air Command systems give customers the ability to conveniently adjust their air springs with the touch of a button thanks to our Air Command Air Compressor Kits. Our designs provide an instant air source to a vehicle air suspension system, giving users the freedom to adjust their air springs to accommodate different loads and road conditions from both inside and outside of the vehicle.

Product Features:
  • The Easy To Read Digital Display Is Designed So You Can See It During The Day, But It Does Not Blind You At Night
  • The Wireless Remote Utilizes A New Sleep Cycle And LED Display That Reduces Energy Use And Improves Battery Life
  • Easy Installation
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Suncore – Shock Kit (Part No.40F-12-R-PAIR)

Shock Kit

from

$59.99
Shock Kit

Royal Purple – Max Performance Synthetic Power Steering Fluid (Part No.01326)

Max Performance Synthetic Power Steering Fluid

from

$6.29
Max Performance Synthetic Power Steering Fluid

Top-Rated Suspension Parts Brands For Your 1991 Mercury Grand Marquis

Shop for the best-rated brands offering Suspension Parts and other products for your 1991 Mercury Grand Marquis. Below you’ll find some of our best rated Suspension Parts from Valvoline, Monroe, and Moog, and more. Suspension Parts from these brands that fit a 1991 Grand Marquis start at just $5.29 and are rated as high as 5 stars. OEM and aftermarket Suspension Parts don’t get more top quality, durable, and affordable than from the brands below.

Popular Valvoline 1991 Mercury Grand Marquis Suspension Parts

When it comes to maintaining or upgrading your 1991 Mercury Grand Marquis, using quality Suspension Parts is essential to ensure durability and a perfect fit. Valvoline ticks all of those boxes. We offer a wide selection of Valvoline Suspension Parts, specifically designed for the 1991 Mercury Grand Marquis. With over 1 Valvoline brand Suspension Parts in stock, you’re sure to find what you need. The prices for these top-notch parts start as low as $36.49. Plus, with over 446 customer reviews and an average rating of 5 stars, you can trust that our Valvoline 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.

Popular Monroe 1991 Mercury Grand Marquis Suspension Parts

Monroe auto parts is one of the highest quality Suspension Part brands in the market. Any 1991 Mercury Grand Marquis owner should feel confident when installing genuine Monroe parts in their vehicle. To ensure the best fit and performance for your 1991 Grand Marquis, Advance Auto Parts carries a full inventory of 10 Monroe Suspension Parts. Plus you will be keeping your Mercury in peak condition while saving money because prices on these Monroe Suspension Parts range from $13.29 to $158.99, plus, with more than 113 customer reviews and an impressive 4 stars average rating, you can be confident the Fram Suspension Parts below will deliver on both quality and value.

OESpectrum Passenger Car Shock Absorber
from
$85.99

(11)

OESpectrum Passenger Car Shock Absorber

“Lo recomiendo porque es de buena calidad”

Gas-Matic Passenger Car Shock Absorber
from
$44.99

(13)

Gas-Matic Passenger Car Shock Absorber

“Very easy to install. Works great.”

Load Adjusting Shock Absorber
from
$113.99

(3)

Load Adjusting Shock Absorber

“A GOOD HEAVY DUTY REPLACEMENT FOR OLDER CAR THAT MAY NEED NEW COIL SPRINGS THE INCREASE THE FRONT END LIFE”

FAQs for 1991 Mercury Grand Marquis Suspension Parts

Which Suspension Parts are best-sellers for 1991 Mercury Grand Marquis?

Out of 50 Suspension Parts that fit 1991 Mercury Grand Marquis, the following parts are the top sellers:

What’s the price range for 1991 Mercury Grand Marquis Suspension Parts?

Suspension Part prices for the 1991 Mercury Grand Marquis start at $5.29 and go up to $1,217.99 for the most premium parts.

What’s the average price of a Suspension Part for a 1991 Mercury Grand Marquis?

The average price for Suspension Parts for the 1991 Mercury Grand Marquis is $119.76. 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 Mercury Grand Marquis model years?

Yes, we currently carry Suspension Parts for 36 model years of Mercury Grand Marquis between 1975 and 2011. Suspension Parts are bought most frequently for the following model years: 2011, 2010, 2009, 2008, 2007, 2006, 2005, 2004, and 2003.

What are the cheapest Suspension Parts for my 1991 Mercury Grand Marquis?

The cheapest 1991 Mercury Grand Marquis Suspension Parts we carry in stock are:

What are the top-rated Suspension Parts that fit the 1991 Mercury Grand Marquis?

Out of 572 reviews by customers, our 1991 Mercury Grand Marquis Suspension Parts have an average customer rating of . These are some of the highest-rated Suspension Part types for the 1991 Mercury Grand Marquis and their top-rated products:

What types of Suspension Parts do you sell for my 1991 Mercury Grand Marquis?

Can I get help with 1991 Mercury Grand Marquis Suspension Part orders?

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

What is your return policy for Mercury Grand Marquis Suspension Parts?

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