Bring back factory ride height and control with the KYB strut plus Suspension Strut and Coil Spring Assembly (MPN SR4149), a complete corner unit that drops in as a direct-fit front replacement for the 2003-2006 Ford Expedition (4WD). This pre-assembled unit combines the strut, mount and spring in one ready-to-install package, so it delivers the convenience shoppers want from a KYB quick strut assembly without separate parts to source.
Built as an Original Equipment Restoring KYB Strut, this KYB complete struts unit is engineered to help restore the handling and control capabilities of your vehicle.
- Excel-G strut inside: a KYB Excel-G strut with a stronger steel outer shell and KYB's application-specific precision-designed damping valves.
- High carbon steel coil springs: developed considering vehicle attributes and corner weights to help make sure ride height is restored within OE specifications.
- Application engineered: a matched KYB spring designed to maintain proper ride height longer and control weight without sacrificing ride quality.
- Safety-system aware: engineered to help vehicles with electronic safety systems (ESC, ABS). Assembled in USA.
Each unit is exact-fitment engineered and pre-assembled for professional results.
Frequently Asked Questions
What vehicles does the KYB SR4149 strut assembly fit?
It is a direct-fit front strut and coil spring assembly for the 2003-2006 Ford Expedition (4WD). See the Buyer's Guide tab for engine-level details.
Is this a complete strut and coil spring assembly?
Yes. It ships as a complete corner unit — strut, mount and spring pre-assembled together — so no separate parts are needed for the front position.
What strut and spring are used in this KYB strut plus assembly?
It uses a KYB Excel-G strut with a stronger steel outer shell, application-specific damping valves, and high carbon steel coil springs matched to the application.
Does this work with vehicles that have ESC or ABS?
Yes. This KYB front strut assembly is engineered to help vehicles equipped with electronic safety systems such as ESC and ABS.
Should I replace both front struts at the same time?
Replacing both sides together as a matched pair is recommended for balanced, even handling. This listing is for one assembly; order two for a full front replacement.
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