HomeSuspension > Shocks and StrutsKYB SR4456K Suspension Strut and Coil Spring Assembly - Front
Part #: SR4456K

KYB SR4456K Suspension Strut and Coil Spring Assembly - Front

Truck-Plus Leveling Assembly, Front
13 vehicles fit this part
Select your vehicle to confirm fitment
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OE Direct Replacement — Bolt-on fit, no modifications needed
Truck-Plus Leveling Assembly, Front
Fitment: Ford and Lincoln, Expedition, Navigator, and F-150
Easy Returns — Return within 60 days for a full refund
Fast Shipping — Most orders ship same business day before 1pm CST

Reliable Suspension Upgrade for Ford and Lincoln Trucks

The KYB Truck-Plus Leveling Assembly SR4456K is designed to restore proper ride height and improve suspension performance for select Ford and Lincoln trucks. This suspension strut and coil spring assembly is engineered to meet the demands of vehicles like the Ford F-150, Expedition, and Lincoln Navigator.

  • Complete suspension strut and coil spring assembly for direct replacement
  • Compatible with Ford F-150, Expedition, and Lincoln Navigator models
  • Part number SR4456K ensures precise fitment and quality
  • Designed to maintain factory ride height and improve load handling
  • Includes KYB's Truck-Plus Leveling Assembly technology for enhanced suspension support

About the KYB Truck-Plus Leveling Assembly Line

The Truck-Plus Leveling Assembly line by KYB focuses on suspension components that combine struts and coil springs into a single assembly. This design simplifies installation and restores the vehicle's original ride height, especially useful for trucks and SUVs that carry heavy loads or tow frequently. The SR4456K is part of this line, providing a reliable solution for maintaining suspension geometry and vehicle stability.

Product Details and Compatibility

The SR4456K suspension strut and coil spring assembly is specifically engineered for use with Ford and Lincoln vehicles, including the Ford F-150, Expedition, and Lincoln Navigator. This assembly replaces worn or damaged suspension components to help restore proper ride height and improve handling characteristics. By integrating the strut and coil spring, it reduces installation time and ensures consistent performance aligned with factory specifications.

Common Applications and Problem Solving

  • Restores sagging or uneven ride height on Ford F-150, Expedition, and Lincoln Navigator
  • Improves vehicle stability when carrying heavy loads or towing
  • Eliminates excessive suspension noise caused by worn struts or springs
  • Addresses poor handling and reduced ride comfort due to suspension wear
  • Prevents premature tire wear related to suspension misalignment

Installation Notes and Tips

Installation of the KYB Truck-Plus Leveling Assembly SR4456K is straightforward due to its all-in-one design. It is recommended to have the vehicle aligned after installation to ensure proper suspension geometry. Use appropriate tools and follow manufacturer torque specifications to secure the assembly. This part is compatible with specific Ford and Lincoln models, so verify fitment before installation.

Quality Assurance and Warranty

KYB manufactures the Truck-Plus Leveling Assembly SR4456K to meet or exceed OEM standards for durability and performance. While specific warranty details are not provided here, KYB typically offers coverage against defects in materials and workmanship. This part is identified by GTIN 00781552923800, ensuring traceability and authenticity.

This part fits 13 vehicles. Search below:

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
2017LincolnNavigatorFrontLeveling 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
2016LincolnNavigatorFrontLeveling 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
2015LincolnNavigatorFrontLeveling 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
2014LincolnNavigatorFrontSuspension Strut and Coil Spring Assembly; Not compatible with Self Leveling Suspension; Truck-Plus Leveling Assembly

* Always verify fitment with your vehicle's VIN if unsure. Submodel & trim restrictions may apply.

This part directly replaces or is cross-referenced with the following part numbers:

Cross-reference numbers are provided for identification purposes only. Always confirm fitment before ordering.