KYB SR4172 Suspension Strut and Coil Spring Assembly - Front

KYB Strut-Plus for Ford F-150 Front Suspension

The KYB Strut-Plus SR4172 is a complete front suspension strut and coil spring assembly for select 2009-2013 Ford F-150 models. It is built to restore ride height, steering response, and vehicle control with OE-style fitment for front suspension service.

Key Features

• Complete strut assembly from KYB, a trusted OEM-quality shocks and struts brand
• Includes a KYB Excel-G strut, stronger steel outer shell, and application-specific damping valves
• High carbon steel coil spring is matched to vehicle attributes and corner weights to help restore OE ride height
• Exact fitment, pre-assembled for professional results
• Engineered to help vehicles with electronic safety systems such as ESC and ABS
• Assembled in USA

Product Details

KYB Strut-Plus SR4172 is engineered as an OE-restoring front suspension strut and coil spring assembly for the Ford F-150. KYB builds this assembly around an Excel-G strut and a precision-tuned spring package to help return the truck to factory ride height and handling characteristics. For drivers searching for a front strut assembly for 2009-2013 Ford F-150 models, this part provides a direct replacement solution for suspension wear, ride control loss, and uneven stance.

This part cross-references Monroe Shocks & Struts (e.g., 171140, 181140) for the same application.

Vehicle Fitment

• Fits 2009-2013 Ford F-150, front; recommended OEM replacement; without Heavy Duty Suspension; Strut-Plus.
• Fits 2009-2010 Ford F-150, front; recommended OEM replacement; without 8 foot bed and without Heavy Duty Suspension; Strut-Plus.

Common Issues This Part Can Address

• Front-end sag or reduced ride height
• Loose or inconsistent steering feel
• Excessive bounce or poor damping control
• Uneven front suspension stance
• Wear-related loss of stability during braking and cornering

Installation Notes and Tips

Verify exact vehicle configuration before ordering, especially suspension package and bed length. This assembly is pre-assembled for professional installation, and front suspension service should be completed with proper alignment afterward. Confirm the vehicle is a 2009-2013 Ford F-150 front application before installation.

Quality Assurance

KYB designs this Strut-Plus assembly as an OE-style replacement using components developed to restore factory ride and handling characteristics. As an original equipment supplier, KYB applies vehicle-specific engineering to support consistent suspension performance and electronic safety system operation.