My Account
My Garage
Shopping Cart

Shopping Cart

0 items in your Cart
View Cart
Subtotal
Track
My Order
MY GARAGE Select Vehicle
MY GARAGE

Monroe 550055 Magnum Severe Service Load Adjusting Shock Absorber

(Ford Grand Marquis 2003-04, Crown Victoria 2003-11; Lincoln Town Car 2003-11; Pontiac Grand Prix 1989, 1992-93, 6000 1989 + 6 more models)

Manufacturer

Picture for manufacturer Monroe Shocks & Struts

Part Number

550055
13 reviews
Sale Price

$91.63

In Stock (10+)

delivery box

Usually delivered within 2 days

free shipping

FREE SHIPPING

Check out with

ApplePay
Authorize Seller Badge
No Hassle Returns

No Hassle Returns

Live-in-stock inventory

Live-in-stock inventory

Fitment guaranteed

Fitment guaranteed

Product Details

The Monroe Magnum 550055 is a heavy-duty load adjusting shock absorber engineered specifically for hardworking vehicles that operate in demanding conditions. Designed for emergency vehicles, municipal fleets, jobsite trucks, and commercial applications, this shock absorber delivers superior stability and ride control when standard shocks fall short.

Enhanced Construction for Extreme Duty:

  • Load-adjusting design allows tuning for varying cargo weights and trailer loads
  • Reinforced components engineered to withstand severe service conditions
  • Heavy-duty valving provides consistent damping performance under stress
  • Larger diameter piston and bore for improved heat dissipation during extended use
  • Durable protective boot shields critical components from road debris and contaminants

Built for Commercial Applications:

  • Ideal for work trucks, utility vehicles, and fleet applications
  • Maintains vehicle control when hauling heavy loads or towing
  • Reduces body roll and improves handling stability
  • Extends tire life by maintaining proper vehicle alignment under load

Monroe Magnum Severe Service shocks are the professional's choice when standard replacement shocks aren't tough enough for the job. Whether you're responding to emergencies, maintaining municipal infrastructure, or running a commercial fleet, the 550055 delivers the durability and performance your vehicle demands.

Products specifications

Fits

Ford Grand Marquis 2003-04, Crown Victoria 2003-11; Lincoln Town Car 2003-11; Pontiac Grand Prix 1989, 1992-93, 6000 1989; Mercury Grand Marquis 2003-11; Buick Regal 1992-93, Century 1991-92; Oldsmobile Cutlass Supreme 1989-93 + 2 more models

Upper Mounting Code

S4

Dust Shield Material

Plastic

Lower Mounting Description

Loop Bushing & Sleeve Mount - 12MM Sleeve ID X 1.1/2" Sleeve OAL

Extended Length

20.1250

Extended Bumper Stop

Yes

Lower Mounting Code

LS26

Parts Pack

P01136,P01344

Dust Shield

Yes

Dust Shield Included

Yes

Upper Mounting Description

Stem Mount - 2.3/8" Stem Length X 3/8"-16 Thread Pitch

Extended Hydraulic Lockout

No

Compressed Bumper Stop

No

Travel Length

7.7500

Compressed Length

12.3750

Travel Length

7.75

Extended Length

20.125

Compressed Length

12.375

Great products & Fast Delivery!

I ordered refill wiper blades for a Prius. However, they require bending the detents to fit the wiper assembly and the passenger side blade isn't stiff enough. It leaves about a two inch arc of moisture that isn't wiped off.

Great experience

That was about the fastest transaction I've ever placed. Always a pleasant experience with THmotorsports!

Great

fast shipping great deal

Quality & price shipping no tax have other accessories.

Good shopping experience

Great price. Easy to find what I needed on website.

Quick easy and great prices that beat the market.

It's going to be AWESOME...if we can have this before Christmas!

Autoplicity was quick and easy to order from. I found just what I was looking for in absolutely no time at all, plus it was shipped extremely quickly. I would definitely order from this site/company again.<br><br>Thanks!

Great Prices

Share icon
Return Policy
Returns are easy at THMotorsports

Not happy with a purchase? No problem. We've made returning items as easy as possible. And most purchases can be returned for free for 30 days. Learn more about our Returns Policy