2003 Mercury Grand Marquis Coil and Leaf Springs

Essential 2003 Mercury Grand Marquis Coil and Leaf Springs

Suncore – Air Suspension Conversion Kit (Part No.45F-30-KIT)

Air Suspension Conversion Kit

from

$174.99
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.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 – 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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Monroe – Air Spring to Coil Spring Conversion Kit (Part No.90003C)

Air Spring to Coil Spring Conversion Kit

from

$332.99
Convert a vehicle’s factory-equipped air suspension to a conventional suspension with a Monroe® Suspension Conversion Kit. Includes premium components – application-tuned shock/strut, coil spring(s) and hardware.

Product Features:
  • CONVERT YOUR RIDE — A cost effective alternative to replacing the OE system, this conversion kit converts a factory air suspension to a conventional suspension
  • COMPLETE SOLUTION — Includes premium-quality replacement components – application-tuned shock/strut, coil spring(s) and necessary mounting hardware
  • RESTORES OE SETTINGS — Restores factory ride height (where applicable) and delivers a stable, comfortable ride
  • EASY TO INSTALL — Engineered for superior fit and comes with detailed instructions for a complete and trouble-free bolt-on installation
  • KEEPS AIR SUSPENSION LIGHT OFF — A complete solution to keep the air suspension light off (where applicable)
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MOOG – Coil Spring Set (Part No.81098)

Coil Spring Set

from

$144.99
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 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
See More

Monroe – Load Adjusting Shock Absorber (Part No.58568)

Load Adjusting Shock Absorber

from

$185.99
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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Monroe – Load Adjusting Shock Absorber (Part No.58510)

Load Adjusting Shock Absorber

from

$128.99
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
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Monroe – Magnum Severe Service Shock Absorber (Part No.550055)

Magnum Severe Service Shock Absorber

from

$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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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.
See More

MOOG – Coil Spring Set (Part No.CC865)

Coil Spring Set

from

$157.99
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
See More

Suncore – Complete Strut Assem (Part No.55S11800)

Complete Strut Assem

from

$109.99
Complete Strut Assem

Carquest Premium – Complete Strut Assembly: Includes Strut, Coil Spring and Mount (Part No.28-714075)

Complete Strut Assembly: Includes Strut, Coil Spring and Mount

from

$143.99
Carquest Premium complete strut assemblies are manufactured by a leading original equipment supplier (O.E.S.) for a perfect OE fit, form and function. Carquest Premium strut assemblies are pre-assembled units that make your ride control repair faster and easier with no special tools needed for installation. Our complete strut assemblies or loaded struts are rigorously tested for proven reliability and offer an industry-leading warranty.

Product Features:
  • Pre-assembled with all new strut, bearing plate, coil spring, dust cover and spring seat
  • Struts feature application-specific technology with exact strut valving and tuning for smoother, safer and more stable ride
  • Springs are built with U.S. grade steel and designed to match factory ride height and performance
  • OE quality strut mount, bearing plate and brackets
  • Complete strut assembly is extensively tested for functionality and durability
  • Built with a micro-smooth, chrome-plated piston rod
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Monroe – Complete Strut Assembly: Includes Strut, Coil Spring, and Mount (Part No.181346)

Complete Strut Assembly: Includes Strut, Coil Spring, and Mount

from

$142.99
Engineered to get more miles from your vehicle, the RoadMatic strut assembly includes all required components in a single unit. It meets OE specifications and reduces installation time, eliminating the need for a spring compressor.

Product Features:
  • QUICKER, SAFER, EASIER AND COMPLETE REPAIR – Includes everything you need for strut replacement in a single, fully assembled unit with no need for a spring compressor
  • GET MORE MILES FROM YOUR RIDE – Engineered and fit and ride tested to meet OE spec
  • EASY TO INSTALL – Fully integrated design reduces installation time, eliminating the need for a spring compressor
  • CONSISTENT PERFORMANCE – Features nitrogen gas-charge and all-weather fluid for improved ride and handling
  • COVERAGE – Available for domestic and import passenger cars, light trucks and SUVs
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Monroe – Complete Strut Assembly: Includes Strut, Coil Spring, and Mount (Part No.271346)

Complete Strut Assembly: Includes Strut, Coil Spring, and Mount

from

$245.99
Featuring a vehicle-specific design, Monroe Quick-Strut strut assemblies are fit checked, ride tested and engineered to restore factory ride height and ride performance. Assembled in Paragould, AR, they include all required components in a single unit.

Product Features:
  • QUICKER, SAFER, EASIER AND COMPLETE REPAIR – Includes everything you need for strut replacement in a single, fully assembled unit with no need for a spring compressor
  • RESTORES RIDE HEIGHT – Precisely calibrated to meet the OE design, each application-specific coil spring type is engineered to restore ride height and support the vehicle’s weight
  • VEHICLE-SPECIFIC DESIGN – Application-specific coil spring, mount and strut designs ensure optimized ride and handling experience unique to each vehicle profile
  • OE QUALITY – Preassembled upper strut mount, coil spring, and strut feature an OE-style design for seamless fit, form, and function
  • MADE TO LAST – Manufactured with high-quality steel, featuring a superior tube and weld design to deliver structural integrity and durability
  • MAINTAINS VEHICLE CONTROL – Reduces body sway, vibration and road harshness before it reaches the passenger cabin for improved vehicle handling
  • IMPROVES STEERING – Premium upper strut mount helps ensure smooth, like-new steering precision and prevents noise, vibration, harshness and memory steer
  • RUST RESISTANCE – Protective coating resists rust and corrosion while salt spray testing ensures it’s ready for the elements
  • ASSEMBLED IN THE USA This Quick-Strut assembly is assembled with pride in Paragould, Arkansas from domestic and imported components
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MOOG – Coil Spring Set (Part No.CC849)

Coil Spring Set

from

$179.99
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
See More

MOOG – Coil Spring Set (Part No.81479)

Coil Spring Set

from

$146.99
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
See More

2003 Mercury Grand Marquis Coil and Leaf Springs

Maybe you’re in the middle of a full rebuild of that 2003 Mercury Grand Marquis. Maybe you just need a couple of Coil and Leaf Springs. Either way, Advance Auto Parts has 13 different Coil and Leaf Springs in our inventory ranging from $109.99 to $319.99. That means you can find the exact parts or products you need to keep that 2003 Mercury Grand Marquis running smoothly.

Coil and Leaf Springs are only as good as their brand. We stock 4 different brands to make sure you have plenty of trusted parts to choose from for your 2003 Mercury Grand Marquis. Monroe, Moog, and Carquest Premium are just some of the brands we stock. Search for brands you know or compare prices and reviews to help you decide!

We know you’ll find the perfect Coil and Leaf Springs for your 2003 Mercury Grand Marquis, but don’t take our word for it – read our customer ratings and reviews and buy with confidence.

So if you’re in the market for aftermarket Coil and Leaf Springs to keep your 2003 Mercury Grand Marquis rolling for years to come, look no further. Shop online and have your products shipped direct to your door, or pick up at the nearest Advance Auto Parts location today!

Coil and Leaf Springs Brands To Make Your 2003 Mercury Grand Marquis Last

Simple repair, complete replacement, or a full rebuild. No matter the job, your 2003 Mercury Grand Marquis demands trusted brand parts and products to keep it running. Many trusted brands of Coil and Leaf Springs make up Advance Auto Parts’ inventory, and all are ready to help make your Grand Marquis the best it can be. Be sure to browse some of our top Coil and Leaf Springs brands and parts.

Popular MOOG Coil and Leaf Springs

We carry MOOG parts in our stock across Rear Coil Springs categories, plus more. For a 2003 Mercury Grand Marquis, our most popular MOOG Coil and Leaf Springs include:
Coil Spring Set
from $157.99
(16)
Coil Spring Set
Rear Coil Springs

FAQs for 2003 Mercury Grand Marquis Coil and Leaf Springs

What are the most purchased Coil and Leaf Springs for the 2003 Mercury Grand Marquis?

Out of 13 Coil and Leaf Springs for the 2003 Mercury Grand Marquis, the most popular in our inventory are:
Complete Strut Assembly: Includes Strut, Coil Spring, and Mount
from $142.99
(2)
Complete Strut Assembly: Includes Strut, Coil Spring, and Mount
Suspension Strut and Coil Spring Assemblies
Complete Strut Assembly: Includes Strut, Coil Spring and Mount
from $143.99
This product is not rated
Complete Strut Assembly: Includes Strut, Coil Spring and Mount
Suspension Strut and Coil Spring Assemblies
Magnum Severe Service Shock Absorber
from $117.99
This product is not rated
Magnum Severe Service Shock Absorber
Shock Absorber and Coil Spring Assemblies