Smooth out the ride and keep your truck's rear end planted with the Monroe OESpectrum Rear Suspension Shock Absorber (P/N 37148). Designed to help restore a vehicle's original factory drivability, this light-truck shock filters out impact-related noise, vibration and harshness while delivering handling precision and control. It installs as a direct-fit rear shock for the 2000-2003 Ford F-150, the 2004 Ford F-150 Heritage, and the 1997-1999 and 2001-2009 Ford F-250 — see the Buyer's Guide tab for engine-level details.
- Exceptional handling: Full displaced valving tuned to each vehicle adjusts to road extremes, while a larger bore provides more efficient damping control for a consistent, smooth ride.
- Control and durability: A PTFE-banded piston provides consistent sealing between piston and pressure tube for better control and increased durability.
- Improved performance: A nitrogen gas charge helps maintain tire-to-road contact by reducing aeration and shock fade.
- Built to last: 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 exclusive Feel the Difference Guarantee.
Interchange: 2L3Z18125AA · G63715 · 344616 · 210237 · RS5251 · RS55251 · 12140460
This part cross-references / interchanges with the following part numbers:
Frequently Asked Questions
What position does this shock absorber install in?
It is a rear suspension shock absorber for the listed Ford F-150 and F-250 applications.
Which vehicles does the Monroe 37148 fit?
It's a direct-fit rear shock for the 2000-2003 Ford F-150, 2004 Ford F-150 Heritage, and the 1997-1999 and 2001-2009 Ford F-250. Check the Buyer's Guide for engine details.
Should I replace both rear shocks at the same time?
Replacing shocks in pairs is recommended for balanced, even ride control. This listing is for one shock, so order two for a complete rear-axle replacement.
What are signs my rear shocks may need replacing?
Excessive bouncing after bumps, a rough or unstable ride, nose dive, or fluid leaking from the shock body are common signs that shocks may need replacement.
Is this shock nitrogen gas-charged?
Yes. The nitrogen gas charge helps maintain tire-to-road contact by reducing aeration and shock fade for more consistent damping.
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