Restore confident truck handling with the KYB Truck-Plus Performance Assembly Strut and Coil Spring Assembly (SRG4171), a complete front corner unit that bundles the strut, mount and spring into one pre-assembled package. It installs as a direct-fit front replacement for the 2009-2013 Ford F-150 — see the Buyer's Guide tab for engine-level fitment.
- Complete corner unit: combines the strut, upper mount and coil spring, assembled and ready to bolt in for professional results.
- Gas-a-Just monotube: built around a KYB Gas-a-Just heavy-duty monotube shock absorber for additional handling and control.
- Up to 25% more damping: KYB rates this assembly with up to 25% more damping performance than standard shock absorbers on your Ford F-150.
- Application-engineered spring: a KYB spring designed to match the strut, help maintain proper ride height longer and control weight without sacrificing ride quality.
A strut assembly carries vehicle weight, sets ride height, acts as the steering pivot and helps control stability, so KYB engineers the Truck-Plus for trucks that work, go off-road, tow a trailer or haul heavy loads. It is also engineered to help vehicles with electronic safety systems such as ESC and ABS. Assembled in the USA.
Interchange: 153031
This part cross-references / interchanges with the following part numbers:
Frequently Asked Questions
What does this KYB SRG4171 assembly include?
It is a complete front corner unit that combines the strut, upper mount and coil spring, pre-assembled and ready to install.
Which vehicle does it fit?
It is a direct-fit front replacement for the 2009-2013 Ford F-150. Check the Buyer's Guide tab to confirm fitment for your vehicle.
What is the Gas-a-Just shock inside it?
The assembly is built around a KYB Gas-a-Just, a heavy-duty monotube shock absorber that provides additional handling and control.
How much more damping does it offer?
KYB rates the Truck-Plus assembly with up to 25% more damping performance than standard shock absorbers on your Ford F-150.
Should I replace both front sides together?
Replacing left and right as a matched pair is recommended for balanced handling and even ride height, though each side is sold individually.
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