Monroe Shocks & Struts Suspension Shock Absorber and Coil Spring Assembly P/N:58633

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$199.99
MPN: 58633
Item Package Quantity: 1
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Monroe Shocks & Struts Suspension Shock Absorber and Coil Spring Assembly P/N:58633
Monroe Shocks & Struts Suspension Shock Absorber and Coil Spring Assembly P/N:58633
$199.99

Keep the rear of your truck settled when you tow or haul with the Monroe Load Adjusting Rear Suspension Shock Absorber and Coil Spring Assembly 58633, sold as a pack of 2. It's built for light trucks that occasionally carry or tow varying loads and drops in as a direct-fit replacement for the 1997-2002 Ford Expedition. Each unit combines a shock absorber with a heavy-gauge, calibrated coil spring that adjusts to changing road and weight conditions for added control when things get demanding.

  • Reduces sag under load: the calibrated coil spring helps reduce sag when loaded up to 1,200 lbs. (capacity limited by suspension, tires and transmission; see owner's manual).
  • Application-tuned valving: full-displaced valving is tuned for each application and adjusts to road extremes to help provide ride consistency.
  • Consistent ride: OE all-weather fluid uses special modifiers for extreme temperatures, and a PTFE-banded piston helps reduce friction between the piston and pressure tube.
  • Built to last: a self-lubricating fluid seal retains gas and reduces friction against the piston rod, while a heavy-duty nitrocarburized rod is designed for long life.

A nitrogen gas charge helps maintain tire-to-road contact by reducing aeration and shock fade. Worn rear units may show sag under load, bottoming, or bounce.

Interchange: SC00006

This part cross-references / interchanges with the following part numbers:

SC00006, 58633

Frequently Asked Questions

What vehicle does the 58633 assembly fit?

It's a direct-fit rear replacement for the 1997-2002 Ford Expedition. Check the Buyer's Guide tab to confirm the exact fit for your vehicle.

How many units are in the package?

This listing is a pack of 2, covering both rear positions. Replacing rear units in pairs is recommended for balanced, even ride quality.

What makes this a load adjusting assembly?

It includes a heavy-gauge, calibrated coil spring that adjusts to changing road and weight conditions, helping reduce sag when loaded up to 1,200 lbs (see owner's manual for limits).

What are signs the rear units may need replacing?

Common signs include sag under load, bottoming out, excessive bounce, or reduced control when towing or hauling. Diagnose the cause before replacing.

Does it use a gas charge?

Yes. A nitrogen gas charge helps maintain tire-to-road contact by reducing aeration and shock fade for more consistent ride and handling.