Monroe Shocks & Struts Suspension Shock Absorber and Coil Spring Assembly P/N:58241
Tackle heavy loads, frequent stops and high miles with the Monroe Magnum Severe Service Rear Suspension Shock Absorber and Coil Spring Assembly 550055 — a gas-charged, heavy-duty rear unit engineered for hardworking emergency, municipal, fleet and jobsite vehicles. It installs as a direct-fit replacement on the 2003-2011 Ford Crown Victoria, 2003-2004 Ford Grand Marquis, 2003-2011 Lincoln Town Car, and 2003-2011 Mercury Grand Marquis; see the Buyer's Guide tab for engine-level detail.
A PTFE-banded piston helps reduce friction against the pressure tube, while OE all-weather fluid uses special modifiers to handle extreme temperatures and support smooth rod reaction.
Interchange: BW7Z181125A · 69574 · 77955
This part cross-references / interchanges with the following part numbers:
What is this part?
It's the Monroe Magnum Severe Service 550055, a gas-charged rear suspension shock absorber and coil spring assembly built for heavy-duty, high-mileage service.
Which vehicles does it fit?
It fits the 2003-2011 Ford Crown Victoria, 2003-2004 Ford Grand Marquis, 2003-2011 Lincoln Town Car, and 2003-2011 Mercury Grand Marquis. See the Buyer's Guide tab for full details.
What does the 10-stage valving do?
The 10-stage valving is designed to adjust to road extremes, helping the shock handle frequent stops, heavy loads and high miles for controlled ride and handling.
Why is it nitrogen gas-charged?
The nitrogen gas charge helps maintain tire-to-road contact by reducing aeration and shock fade, which is intended to improve ride and handling.
What are the signs this assembly may need replacing?
Excessive bouncing, a rougher ride, poor body control over bumps, or leaking fluid can be signs a worn shock and spring assembly should be inspected and possibly replaced.
WARNING: These products can expose you to chemicals including lead and phthalates, which are known to the State of California to cause cancer and birth defects or other reproductive harm. For more information go to www.P65Warnings.ca.gov.