KYB SR4456K Suspension Strut and Coil Spring Assembly - Front
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KYB
 Truck-Plus Leveling Assembly

KYB SR4456K Suspension Strut and Coil Spring Assembly - Front

Brand KYB SR4456K
Position Front
Product line Truck-Plus Leveling Assembly
Fits Ford and Lincoln · 13 vehicles

Leveling assembly. Raises ride height about 2 inches while maintaining designed performance.

Pre-assembled. Includes all required hardware for professional results.

Precision damping valves. Application-specific tuning helps restore designed performance.

$295.87Free shipping
In stock · usually ships same day before 1pm CST
Step 1 — Confirm fitment
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Step 2 — Quantity
Suspension Strut and Coil Spring Assemblys are typically replaced in pairs, axle by axle.
Order total $295.87
Free shipping to the continental U.S.
Free returns within 60 days if it doesn't fit when fitment is verified.
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KYB Truck-Plus Leveling Assembly SR4456K

The KYB Truck-Plus Leveling Assembly SR4456K is a front suspension strut and coil spring assembly designed to raise ride height by approximately 2 inches while maintaining the vehicle’s intended handling balance. It is built for select Ford Expedition, Lincoln Navigator, and Ford F-150 applications where a direct-fit leveling solution is needed.

Key Features

  • Application-specific Truck-Plus leveling assembly from KYB
  • Raises the front ride height approximately 2 inches on select Ford Expedition applications
  • Includes a KYB Excel-G strut with a stronger steel outer shell
  • Uses precision-designed damping valves matched to the application
  • Pre-assembled for professional-level service results
  • Engineered to help vehicles equipped with electronic safety systems such as ESC and ABS
  • Assembled in the USA
  • Recipient of a 2021 industry new-product award

Product Details

KYB’s Truck-Plus Leveling Assembly line is built around corner-specific engineering rather than a one-size-fits-all design. That matters because the front strut assembly affects ride height, vehicle stability, steering response, and the operation of electronic crash-avoidance systems. The SR4456K is designed as a direct replacement for select front suspension applications, including 2014-2017 Ford Expedition, 2015-2017 Lincoln Navigator, and 2014 Ford F-150 models listed below. This part cross-references Monroe Shocks & Struts (e.g., 172286, 182286) for the same application.

What It Helps Address

  • Front-end rake on select Ford Expedition and Lincoln Navigator models
  • Worn or inconsistent strut performance
  • Ride-height loss from aging suspension components
  • Steering and stability issues tied to front strut wear
  • Suspension behavior that can affect ESC and ABS operation

Installation Notes

Fits 2014-2017 Ford Expedition, front; 2015-2017 Lincoln Navigator, front; 2014 Ford F-150, front; and 2014 Lincoln Navigator, front. Verify suspension configuration before ordering, since this assembly is not for vehicles with electronic load-leveling or self-leveling suspension, and the 2014 Ford F-150 application excludes the Heavy Duty Payload Package. Professional installation and a post-installation alignment are recommended after replacing a front strut and coil spring assembly.

Quality Assurance

SR4456K is part of KYB’s Truck-Plus Leveling Assembly line, built with application-specific damping and OE-quality suspension engineering. The assembly is pre-assembled for consistent service results and assembled in the USA.

Related reading

This part fits 13 vehicles
Always verify fitment with your vehicle's VIN if unsure. Submodel & trim restrictions may apply.
YearMakeModelDrive TypePositionNotes
2017FordExpeditionRWDFrontLeveling Kit Assembly; (Exc. Electronic and Load Leveling Suspension); Truck-Plus Leveling Assembly
2017FordExpedition4WDFrontLeveling Kit Assembly; (Exc. Electronic and Load Leveling Suspension); Truck-Plus Leveling Assembly
2017LincolnNavigator—FrontLeveling Kit Assembly; Except Electronic and Load Leveling Suspension, Suspension Strut and Coil Spring Assembly; Truck-Plus Leveling Assembly
2016FordExpeditionRWDFrontLeveling Kit Assembly; (Exc. Electronic and Load Leveling Suspension); Truck-Plus Leveling Assembly
2016FordExpedition4WDFrontLeveling Kit Assembly; (Exc. Electronic and Load Leveling Suspension); Truck-Plus Leveling Assembly
2016LincolnNavigator—FrontLeveling Kit Assembly; Except Electronic and Load Leveling Suspension, Suspension Strut and Coil Spring Assembly; Truck-Plus Leveling Assembly
2015FordExpeditionRWDFrontLeveling Kit Assembly; (Exc. Electronic and Load Leveling Suspension); Truck-Plus Leveling Assembly
2015FordExpedition4WDFrontLeveling Kit Assembly; (Exc. Electronic and Load Leveling Suspension); Truck-Plus Leveling Assembly
2015LincolnNavigator—FrontLeveling Kit Assembly; Except Electronic and Load Leveling Suspension, Suspension Strut and Coil Spring Assembly; Truck-Plus Leveling Assembly
2014FordExpeditionRWDFrontLeveling Kit Assembly; (Exc. Electronic and Load Leveling Suspension); Truck-Plus Leveling Assembly
2014FordExpedition4WDFrontLeveling Kit Assembly; (Exc. Electronic and Load Leveling Suspension); Truck-Plus Leveling Assembly
2014FordF-150RWDFrontLeveling Kit Assembly; w/o Heavy Duty Payload Package; Truck-Plus Leveling Assembly
2014LincolnNavigator—FrontSuspension Strut and Coil Spring Assembly; Not compatible with Self Leveling Suspension; Truck-Plus Leveling Assembly