1991 Mercury Grand Marquis Performance Suspension

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    • (0 reviews)
      Mercury Grand Marquis for Towing Hauling 1991, Sensa-Trac™ Load Adjusting Shock by Monroe®. 1 per Pack. Upper Mount: Stem Mount - 2.375" Stem Length x 0.375"-16 Thread Pitch. Includes: Metal Dust Shield, Extended Bumper Stop....
      Improves ride and handling and helps maintain ride height when additional weight is loadedAll Weather Fluid reduces friction for smooth piston rod action
      $67.68from $54.14 - $95.20
      # 17915083
    • (0 reviews)
      Mercury Grand Marquis for Towing Hauling 1991, Max-Air® Rear Air Adjustable Shock by Monroe®, 1 per Pack. Length: 12.25" Compressed, 19.875" Extended with 7.625" Stroke. Upper Mount: Stem Mount - 2.375" Stem Length x 0.375"-16...
      Provide proper vehicle ride height when additional weight is loadedInflates up to 150 psi
      $73.53$58.82
      # 36076715
    • (0 reviews)
      Mercury Grand Marquis 1991, B6 Series Shock with for Stock Hight Lift by Bilstein®. 1 per Pack. Yellow Paint. Design: 46mm Monotube. BILSTEIN B6 gas pressure shocks and struts are designed to mount in the stock location on a range...
      Improved safety and sportinessAdded traction and enhanced stability
      $113.25$90.60
      # 17170282
    • (0 reviews)
      Mercury Grand Marquis 1991, Monro-Matic Plus™ Shock by Monroe®. 1 Set. Upper Mount: Stem Mount - 2.375" Stem Length x 0.375"-16 Thread Pitch. Nitrogen gas charged Monro-Matic Plus shocks and struts feature VPV (velocity...
      An ideal balance of comfort and control for any driving conditionImproved ride at an economical price
      $26.31from $21.05 - $24.82
      # 17924790
    • (0 reviews)
      Mercury Grand Marquis 1991, Rear Air Conversion Kit to Coil Springs by Westar®. For those owners of vehicles with air suspension looking for an alternative, Westar has the answer. We offer a kit to convert to a traditional coil...
      Exact fit designSteel is painted for long non-corrosive life
      $239.85from $191.88 - $231.94
      # 22593411
    • (0 reviews)
      Mercury Grand Marquis 1991, Air Ditcher Coil Conversion Springs Kit by Unity®, 2 per Pack. Difficulty Installation Rating: Medium. This is a set of coil springs and shock absorbers that allow you to replace costly and worn air...
      Set of coil springs and shock absorbers that bolt in place of existing air springs without modifications to your vehicleEliminate worry of failing air suspension parts which can leave you stranded with extremely costly repair bills
      $108.55from $86.84 - $100.76
      # 15862043
    • (0 reviews)
      Mercury Grand Marquis 1991, LoadController™ Air Compressor Systems by Air Lift®. LoadController systems are air compressors that mount permanently on the frame of your vehicle to give you spring inflation pressure wherever you...
      Dual-path design compressors allow left- or right-side springs on the same axle to be controlled independently of each otherHeavy-duty strength compressors are recommended for daily or commercial use, run quieter, and provide better filtration
      $281.25from $225.00 - $415.00
      # 9821760
    • (0 reviews)
      Mercury Grand Marquis without Factory Auto-Leveling Option 1991, Load Support Air Springs by Air Lift®. Load Support Air Springs are sets of two adjustable secondary air springs that help existing springs maintain a level ride,...
      Set of two air bag spring supports designed to work with factory OEM springsPrevents vehicle’s main springs from sagging due to constant load compression
      $128.56$102.85
      # 9813995
    • (0 reviews)
      Mercury Grand Marquis 1991, QuickSHOT™ Compressor System by Air Lift®, with Equal Air Spring Infation, Single Gauge, Dual Needle. This kit contains an air compressor, lines, hardware, and a 2-gallon auxiliary tank that stores...
      2-gallon auxiliary tank stores compressed air for faster inflation of air springsTank can be used with single or dual front/rear Air Lift applications
      $643.75$515.00
      # 9824928
    • (0 reviews)
      Mercury Grand Marquis 1991, SmartAIR™ Automatic Leveling System by Air Lift®, Single Sensor. This kit includes an air pump, magnetic height sensors, wiring, harnesses, and all hardware needed to inflate or deflate air springs to...
      Maintains level ride height from front to rearUnique non-contact height sensor maintains level ride
      $515.00$412.00
      # 9824607
    • (0 reviews)
      Mercury Grand Marquis 1991, Wireless Control System by Air Lift®. These kits include a compact wireless remote control and all the equipment you need to adjust the pressure in two air springs on the same axle. Choose the...
      Equal Air Spring Inflation kit contains a standard air compressor that adjusts left and right springs together at the same time to the same pressureSeparate Air Spring Inflation kit contains a heavy duty air compressor with separate lines that allows individual adjustment of left and right springs
      $459.38from $367.50 - $524.99
      # 9808872
    • (0 reviews)
      Mercury Grand Marquis 1991, Suspension Load Leveling Kit by Firestone®. Coil-Rite®; Air Helper Spring Kit; Rear; Incl. Air Helper Springs; Supports; Hardware; Air Line; And Inflation Valves; No Drilling Required; OEM Number...
      $130.81$104.65
      # 13325309
    • (0 reviews)
      Mercury Grand Marquis 1991, Suspension Air Compressor Kit by Firestone®. Standard Duty Air Compressor System.
      $340.83from $272.66 - $383.43
      # 13329709
    • (0 reviews)
      Mercury Grand Marquis 1991, Coil Spring Conversion Kit by Suncore®. With Rear Coil Springs. This kit will keep the car at factory height while providing a smooth car ride. You will be saving Time and Money by purchasing this...
      Easy to installInstallation instructions included
      $158.41from $126.73 - $282.49
      # 14253611
    • (0 reviews)
      Mercury Grand Marquis 1991, Rear Air Spring Bags by Suncore®. Air Spring Bag will replace the original Air Spring. Suspension Air Spring Bag failure is usually caused by dry rot, due to old age, or gases in the atmosphere degrade...
      Easy to installInstallation instructions included
      $87.61from $70.09 - $138.06
      # 53807690
    • (0 reviews)
      Mercury Grand Marquis 1991, Air Suspension System by Suncore®. This complete kit will replace the required Air Suspension Parts in order to maintain great ride quality. You will be saving Time and Money by purchasing this complete...
      Easy to installInstallation instructions included
      $193.81from $155.05 - $353.29
      # 53807676
    • (0 reviews)
      Mercury Grand Marquis 1991, Suspension Air Compressor by Suncore®. With Dryer. Outlet: 1. This replacement Air Suspension Compressor comes with instructions for easy install. The Suspension Compressor inflates or deflates the Air...
      Easy to installInstallation instructions included
      $221.25$177.00
      # 14251455
    • (0 reviews)
      Mercury Grand Marquis 1991, Air Suspension Systems by Westar®. Westar is a widely recognized manufacturer and exporter of rubber to metal bonded parts for all types of trucks and automobiles. Every single product goes through...
      Non re-manufacturedBuild with brand new rubber to ensure the life of air spring
      $29.88from $23.90 - $246.02
      # 22593405
    • (0 reviews)
      Mercury Grand Marquis 1991, Gas-a-Just™ Shock Absorber by KYB®, 1 per Pack. Go with Gas-a-Just shocks and struts and experience greater stability, handling, and control over twin-tube designs. Whether your vehicle is originally...
      Replacement for an OE monotube shock to restore/keep the vehicle's original performance characteristicsIdeal as an upgrade from an OE twin-tube for quicker, more responsive handling and control
      $40.59from $32.47 - $35.49
      # 17817289
    • (0 reviews)
      Mercury Grand Marquis 1991, Excel-G™ Shock Absorber by KYB®, 1 per Pack. Restore your vehicle's original performance for normal driving conditions with the Excel-G twin-tube gas hydraulic shocks and struts that offer additional...
      Designed to restore original handling and controlCalibrated to compensate for age and miles driven
      $22.70from $18.16 - $22.94
      # 17812182
    • (0 reviews)
      Mercury Grand Marquis 1991, OESpectrum™ Shock by Monroe®. 1 Set. Upper Mount: Stem Mount - 2.375" Stem Length x 0.375"-16 Thread Pitch. These shocks and struts are engineered for foreign nameplate vehicles to enhance the...
      Provide unprecedented handling precision and controlNitrogen gas charged
      $33.23from $26.58 - $29.65
      # 17912351
    • (0 reviews)
      Mercury Grand Marquis 1991, Gas Shocks by Suncore®. 2 per Pack. Gas Shocks Replacement Kit. It is highly recommended that Town Car gas shocks be replaced about every 50,000 miles to maintain the vehicles suspension. The shocks are...
      Easy to installInstallation instructions included
      $105.31$84.25
      # 14253618
    • (0 reviews)
      Mercury Grand Marquis 1991, Coil Spring Set by MOOG®. Upgrade your vehicle to MOOG coil springs that are designed to restore the original handling, reduce body sway and bring ride height to OE specifications. These coil springs...
      Direct fit, with no modificationsRestores and retains proper handling
      $60.99from $48.79 - $63.24
      # 21691961
    • (0 reviews)
      Mercury Grand Marquis 1991, Control Arm by Dorman®, 1 per Pack. With Ball Joint. With Bushings. If you are searching for a quality control arm, this product is the way to go. Featuring a sturdy construction and quality tested for...
      Direct OEM replacementAllows the wheels to lift and descend when hitting bumps or other road imperfections
      $95.74$76.59
      # 33172103
    • (0 reviews)
      Mercury Grand Marquis 1991, Front Upper Control Arm Shaft Kit by Falcon®. 1 per Vehicle. Falcon Steering Control Arms are made of the highest quality in the aftermarket. All Control Arms meet or exceed OE requirements and are...
      Produced to exact OE dimensional specifications under strict quality control throughout the manufacturing and assembly processPremium performance components
      $40.13$32.10
      # 49493331
    • (0 reviews)
      Mercury Grand Marquis 1991, Control Arm by Mevotech®. Designed to increase friction amount between the tire and road surface for an effective steering ability and better handling, this control arm provides firm connection point...
      Eliminates uneven steering, squeaking noise, and excessive tire wearAllocates vehicle body weight to the tire for vehicle stability and alignment
      $15.35from $12.28 - $23.49
      # 19194262
    • (0 reviews)
      Mercury Grand Marquis 1991, Ball Joint by Falcon®. Falcon Steering Ball Joints are made of the highest quality in the aftermarket. All Ball Joints meet or exceed OE requirements and are precision machined for a perfect fit.
      Produced to exact OE dimensional specifications under strict quality control throughout the manufacturing and assembly processPremium performance components
      $13.10from $10.48 - $14.49
      # 49550596
    • (0 reviews)
      Mercury Grand Marquis 1991, Ball Joint by MOOG®. MOOG ball joints are the preferred choice of many professional technicians and incorporate proven design and advanced engineering features to ensure like-new steering and suspension,...
      Engineered to retain socket torque and smooth articulation over the life of the part, to maintain tight steering feelExclusive powdered-metal bearing design allows grease to flow through the bearing to the stud for reduced friction and enhanced strength and stability
      $32.94from $26.35 - $32.52
      # 21691875
    • (0 reviews)
      Mercury Grand Marquis 1991, Ball Joint by Mevotech®. Use 2 per Car. Experience improved ride comfort and smooth handling with the replacement Mevotech ball joints. They grip the control arm better and guarantee worry-free...
      Includes durable higher and lower metal bearings for a smoother and quiet handlingKnurling on the outer housing of the ball joint makes for a better grip with the control arm
      $18.15from $14.52 - $15.03
      # 19202908
    • (0 reviews)
      Mercury Grand Marquis 1991, Ball Joint by TRW®. Position: Front Lower. Does your luxury car ride like an old buckboard wagon? Is your pickup still bouncing long after the bump? If so your suspension is in need of repair, but before...
      $89.93$71.94
      # 52887197
    • (0 reviews)
      Mercury Grand Marquis 1991, Air Compressor Isolator by Suncore®. Compressor Rubber Vibration Isolator kit absorbs the vibration from your air suspension compressor and gets Rid of The Vibration Noise. This Kit includes 3 New Rubber...
      Easy to installInstallation instructions included
      $23.44$18.75
      # 14251673
    • (0 reviews)
      Mercury Grand Marquis 1991, Air Spring Solenoid by Suncore®. Air Suspension Solenoid is the device that controls the flow of air in your air springs. Depending on the height of your vehicle, the solenoid receives the message...
      Easy to installInstallation instructions included
      $31.25from $25.00 - $31.86
      # 53807693
    • (0 reviews)
      Mercury Grand Marquis 1991, Air Suspension O-Ring Kit by Suncore®. 8 per Pack. Suspension O-Rings for 2 solenoids 8 total. Brand New O-rings insure a perfect seal for your solenoids. O-Rings should be replaced at time of air spring...
      Easy to installInstallation instructions included
      $12.50$10.00
      # 14251772
    • (0 reviews)
      Mercury Grand Marquis 1991, Suspension Air Compressor Drier by Suncore®. Outlet: 1. Air Suspension Dryer comes fully assembled and filled with desiccant. The Air Dryer is what keeps the moisture out of the system. Ensuring that the...
      Easy to installInstallation instructions included
      $34.51$27.61
      # 14251479
    • (0 reviews)
      Mercury Grand Marquis 1991, Strut-Mate™ Front Shock Boot Kit by Monroe®. 1 Set. The boot kit is designed to protect the strut piston rod from stones, mud, water, sand, and other abrasives providing longer service life for the...
      Protects the piston rod from corrosion, dirt, moisture and impact.Prolongs strut service life
      $14.36$11.49
      # 17917541
    • (0 reviews)
      Mercury Grand Marquis 1991, Coil Spring Insulator by MOOG®. Upgrade your vehicle to MOOG and experience a safe and comfortable ride. The parts are made tough to ensure reliable operation even under extreme conditions. Thanks to the...
      Designed to make steering and suspension repairs easyDirect fit
      $3.85from $3.08 - $4.00
      # 21691958
    • (0 reviews)
      Mercury Grand Marquis 1991, Front Stabilizer Bar Bushing Kit by Falcon®. Falcon Steering bushings are made with thermoplastic Elastomers for increased service life and optimum performance. Our thermoplastic bushings are made to...
      Made with Thermoplastic Elastomers (TPV)Improved OE Design
      $7.25from $5.80 - $8.28
      # 49550652
    • (0 reviews)
      Mercury Grand Marquis 1991, Front to Frame Sway Bar Bushing Kit by MOOG®. Replace your worn or damaged bushings with stronger and longer-lasting bushings from MOOG that effectively absorb substantial loads and are less prone to...
      Restore handling and enable proper alignmentReduce noise
      $7.15from $5.72 - $6.71
      # 21691896
    • (0 reviews)
      Mercury Grand Marquis 1991, Front Stabilizer Bar Link Kit by Falcon®. Falcon steering sway bar links are designed to last longer than typical aftermarket sway bar links. Improvements made in the rubber on Bolt and bushing links and...
      High strength steel boltsGuarantees good performance under high loads
      $5.38from $4.30 - $5.52
      # 49550630
    • (0 reviews)
      Mercury Grand Marquis 1991, Sway Bar Link by First Equipment Quality®. Position: Front. Note: Link Assembly. Does your luxury car ride like an old buckboard wagon? Is your pickup still bouncing long after the bump? If so your...
      $25.15$20.12
      # 7972240
    • (0 reviews)
      Mercury Grand Marquis 1991, Front Sway Bar Link Kit by MOOG®. If you hear noise and are experiencing excessive body roll, you may be in need of sway bar links. This kit is designed to simplify installation and built with several...
      Socket style links feature superior metal bearingsGreasable design for longer life and smooth operation on socket style links
      $4.73from $3.78 - $7.91
      # 21691892
    • (0 reviews)
      Mercury Grand Marquis 1991, Front Sway Bar Component by Mevotech®. Upgrade to the sway bar link kit by Mevotech and keep your vehicle stable, enjoying a more comfortable ride and better road handling. All parts are made tough to...
      Designed to improve the vehicle's cornering stabilityDirect fit OE replacement
      $5.56from $4.45 - $6.42
      # 19216126
    • (0 reviews)
      Mercury Grand Marquis 1991, Control Arm Bushing Kit by Falcon®. Falcon Steering bushings are made with thermoplastic Elastomers for increased service life and optimum performance. Our thermoplastic bushings are made to withstand...
      Made with Thermoplastic Elastomers (TPV)Improved OE Design
      $7.00from $5.60 - $39.15
      # 49550605
    • (0 reviews)
      Mercury Grand Marquis 1991, Control Arm Bumper by MOOG®. Upgrade your vehicle to MOOG and experience a safe and comfortable ride. The parts are made tough to ensure reliable operation even under extreme conditions. Thanks to the...
      Designed to make steering and suspension repairs easyDirect fit
      $3.63from $2.90 - $3.73
      # 21691878
    • (0 reviews)
      Mercury Grand Marquis 1991, Control Arm Bushing Kit by MOOG®. Replace your worn or damaged bushings with stronger and longer-lasting bushings from MOOG that effectively absorb substantial loads and are less prone to splitting or...
      Restore handling and enable proper alignmentReduce noise
      $7.95from $6.36 - $24.74
      # 21691881
    • (0 reviews)
      Mercury Grand Marquis 1991, Shock Absorber by Motorcraft®, Rear. Retail. Don’t just repair or replace worn components – bolster them with Motorcraft parts. And the best part is you can have these top quality parts, at the best...
      Direct OEM replacementMeets strict Ford Motor Company standards
      $42.64$34.11
      # 48704967
    • (0 reviews)
      Mercury Grand Marquis 1991, Ball Joint by Motorcraft®, Front Lower. Don’t just repair or replace worn components – bolster them with Motorcraft parts. And the best part is you can have these top quality parts, at the best...
      Direct OEM replacementMeets strict Ford Motor Company standards
      $72.01$57.61
      # 48704981
    • (0 reviews)
      Universal Hydraulic Individual Lift System by KW Suspensions®. This is a set of 4 hydraulic cylinder units that mount between the spring perch and spring on KW coilovers. These expand to provide 1.8 inches of front and rear lift...
      Hydraulic lift cylinders (located on the coilover body between spring perch and spring) expand to provide 1.8 inches of front and rear vehicle liftAvailable in 4-wheel front and rear, or front-only applications
      $4,499.99from $3,599.99 - $4,749.99
      # 11472927
    • (0 reviews)
      Universal Air Management Systems by Air Lift®. Air Lift offers a wide variety of complete kits with everything needed to set up an air suspension system. Springs are not included, however these systems will work with your choice of...
      Kits contain air compressor(s), reserve tank, gauges, control switches, and all related hardware and air lines needed for installationAir springs are not included in Air Management System kits
      $968.75from $775.00 - $1,375.00
      # 7658376
    • (0 reviews)
      Universal Shock Eye Bushings by Energy Suspension®. Energy Suspension offers replacement round polyurethane bushings that mount within the open, circular ends of shock absorbers. No matter what design your shock absorber ends have,...
      Choose sets for bayonet end style, half- and full-sized bushings for hourglass style, straight eye, and large race sizesHigh-density polyurethane provides a superior cushioning effect and resists degrading, drying up, and crumbling the way rubber mounts can
      $2.88from $2.30 - $11.59
      # 10780517
    • (1 reviews)
      Universal Sway Bar Bushing Set by Energy Suspension®. This is a set of replacement polyurethane bushings designed to dampen vibrations where the center section of the sway bar attaches to your vehicle’s frame. Resilient...
      Set of 2 replacement polyurethane bushings designed to dampen vibrations where the middle section of the sway bar attaches to your vehicle’s frameKit provides parts for both left and right mid-section sway mounts
      $18.16from $14.53 - $22.02
      # 10780556
    • (0 reviews)
      Universal Polyurethane Pad Set by Energy Suspension®. Upgrade and replace degraded rubber pads above and below leaf spring ends with polyurethane ones from Energy Suspension. Resilient polyurethane construction offers greater...
      Set of 8 polyurethane pads for two leaf spring assembliesPads mount above and below both leaf spring ends to dampen vibration and squeaks
      $12.50from $10.00 - $29.29
      # 10780498
    • (0 reviews)
      Universal Ladder Bar Bushings by Lakewood®, Set of 4. When you need to get reliable components to bring your vehicle's suspension or chassis back to life, there's no better place to get them than right here. Whether you need bell...
      Engineered to exceed OEM quality standardsImproves your vehicle's handling
      $35.63$28.50
      # 12189492
    • (0 reviews)
      Universal Traction Bar Bushings by Lakewood®, Set of 4. Replacement for PN 20140, 21700, 21900, 21901, 20150, 20151, 20152. When you need to get reliable components to bring your vehicle's suspension or chassis back to life,...
      Engineered to exceed OEM quality standardsImproves your vehicle's handling
      $34.93$27.94
      # 12191888
    • (0 reviews)
      Universal Stinger Bump Stops by Daystar®. Forget nitrogen-charged bump stops that leak - when you want the best level of off-roading suspension performance for your 4x4, Stinger Bump Stops can be adjusted easily to suit any needs....
      Each bump stop includes 3 blue (soft) and 3 black (firm) insert pieces made from patented EVS microcellular foamDurable EVS microcellular foam cushioning pads provide high levels of cushioning strength and will function without degrading or cracking in extreme temperatures
      $137.44from $109.95 - $209.95
      # 4135405
    • (2 reviews)
      Universal Bump Stops by Daystar®. Bump Stops are a critical part of your vehicle's suspension - they prevent damaging over-compression and eliminate harsh bottoming of the suspension. Daystar's Bump Stops are designed and tested...
      High Impact Polyurethane provide high levels of cushioning strength and will function without degrading or cracking in extreme temperaturesIncreased Strength Compared to Stock Rubber Bump Stops
      $9.15from $7.32 - $57.84
      # 4303921
    • (0 reviews)
      Universal Shock/Strut Bump Stop Set by Energy Suspension®. This is a set of 2 polyurethane bump stops designed for McPherson strut style shock absorbers which prevent damage when the end of suspension travel is reached. Resilient...
      Set of 2 polyurethane bump stops designed for McPherson strut style shock absorbersPrevent metal-on-metal contact and damage when the end of suspension travel is reached
      $4.34from $3.47 - $9.22
      # 10780758
    • (0 reviews)
      Universal Traction Bar Snubbers by Lakewood®, Set of 2. When you need to get reliable components to bring your vehicle's suspension or chassis back to life, there's no better place to get them than right here. Whether you need bell...
      Engineered to exceed OEM quality standardsImproves your vehicle's handling
      $24.45from $19.56 - $26.39
      # 12203648
    • (0 reviews)
      Universal 12 Volt Air Compressors by Air Lift®. Air Lift offers 2-stage, 12-volt air compressors for all needs and budgets. Choose smaller ones for basic load leveling needs, or choose a set of two paired compressors to fill large...
      Dual Viair 450C, 400C, 380C, and 480C kits come with an air line extension and separate brackets for remote mountingAll compressors operate on standard 12-volt automotive electrical systems
      $223.69from $178.95 - $419.95
      # 7611197
    • (0 reviews)
      Universal Air Tanks by Air Lift®. Enhance the inflation speed and performance of your air springs with a reserve of air compressed to 150 psi stored in any of Air Lift’s reinforced steel Air Tanks. Available in sizes from 2...
      Crafted from high-strength, reinforced traditional steelEnsure a reserve of compressed air for springs to inflate instantly, at a faster rate
      $88.06from $70.45 - $125.22
      # 7611053



    Guides & Articles
    If you are using your "daily driver" car or truck for occasional towing duty, you are looking for that ideal sweet spot where the weekday commute is comfortable and quiet, and the weekend trailering feels solid and secure. In other words, you don't want to vehicle to feel too "stiff" during the week, nor do you want it to ride "soft" when pulling a trailer.
    Stanced. Demon camber. You may know it as oni-camber. You've seen the look, and whether you like it or not is totally beside the point. The great thing about this stanced look is that it gets your attention. From the interviews we've read with owners and drivers of these machines, that is exactly what they are after. They've said that it's all about being noticed.
    Very often we don't even realize what a crucial role a car's suspension plays in providing a safe and comfortable ride. The system maximizes the friction between the road surface and your vehicle's tires, ensuring steering stability along with responsive handling.