Smooth out the ride and keep the front tires planted with the Monroe OESpectrum Suspension Shock Absorber 37131, a front-position light-truck shock designed to help restore your truck's original factory drivability and handling control. It installs as a direct-fit replacement for the 1997-2002 Ford Expedition, 1997-2001 Ford F-100 Ranger, 1997-2003 Ford F-150, 1997-1999 Ford F-250, 1998-2002 Lincoln Navigator, and 2004 Ford F-150 Heritage — see the Buyer's Guide tab for full engine-level fitment.
- Full displaced valving: tuned to the vehicle and paired with a larger bore for more efficient damping and a consistent, smooth ride.
- PTFE-banded piston: provides consistent sealing between the piston and pressure tube for better control and increased durability.
- Nitrogen gas-charge: helps maintain tire-to-road contact by reducing aeration and shock fade.
- Twin Technology Active Control System: designed to isolate impact-related noise, vibration and harshness.
OE all-weather fluid carries special additives to help handle temperature extremes and reduce oil breakdown, while a self-lubricating fluid seal retains gas and reduces friction against the piston rod to help limit premature wear. Backed by Monroe's Limited Lifetime Warranty and Feel the Difference Guarantee.
Interchange: 52549 · MS3431371B · TS3431371B · 341578 · F85Z18124NB · F85Z18125NB · G63714 · 344367 · FD101 · 210226 · SH61614 · SH81821 · SH81912 · SH81914 · RS5235 · RS55235 · 12140189 · 7837131
This part cross-references / interchanges with the following part numbers:
Frequently Asked Questions
What position does this shock fit?
It is a front suspension shock absorber for the listed applications, including the 1997-2003 Ford F-150 and 1998-2002 Lincoln Navigator.
What does a shock absorber do?
It dampens spring and suspension movement to help control body motion and keep the tire in contact with the road for a more stable, controlled ride.
What are signs this shock may need replacing?
Excessive bouncing, nose dive under braking, a rougher ride, or uneven tire wear may indicate worn shocks. Diagnose the cause before replacing.
Should I replace shocks in pairs?
Replacing the shocks on the same axle together is a good practice for balanced, even damping. This listing is for one shock; order the quantity your vehicle requires.
What is the PTFE-banded piston for?
The PTFE-banded piston provides consistent sealing between the piston and pressure tube, which the manufacturer notes is for better control and increased durability.
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