Renew factory ride height and controlled handling with the KYB Strut Plus complete strut and coil spring assembly, MPN SR4224. This front-left corner unit drops in as a direct-fit replacement for the 2004-2009 Toyota Prius, arriving pre-assembled with the strut, mount and spring so there's no spring compressor or bench work at install.
- OE-restoring KYB Excel-G strut: built around a stronger steel outer shell and KYB's application-specific precision-designed damping valves to help restore the vehicle's handling and control.
- Application-engineered high-carbon steel coil spring: developed around the vehicle's weight and corner loads to help maintain proper ride height and control weight without sacrificing ride quality.
- Side-specific design: left and right part numbers with side-specific components, as the vehicle manufacturer intended — this is the front-left unit.
- Engineered to help vehicles with electronic safety systems (ESC, ABS, etc.), and assembled in the USA.
As one of KYB's complete struts, this pre-assembled unit delivers professional results with exact engineered fitment. Sold individually as the front-left corner; for even, balanced handling, replace the opposing side together as a matched pair.
Interchange: 172358 · 182358
This part cross-references / interchanges with the following part numbers:
Frequently Asked Questions
What is the KYB quick strut assembly and what does it include?
It's a pre-assembled front-left corner unit combining the KYB Excel-G strut, mount and application-engineered high-carbon steel coil spring, so no spring compressor is needed at install.
Does this KYB strut plus assembly fit my Toyota Prius?
Yes — SR4224 is a direct-fit replacement for the 2004-2009 Toyota Prius. Confirm your specific vehicle against the Buyer's Guide tab before ordering.
Which side of the vehicle is this KYB front strut assembly for?
This is the front-left unit. KYB uses left and right part numbers with side-specific components, so order the matching right-side unit separately if needed.
Do I need to replace both front struts at the same time?
It's not required, but replacing the opposing side together as a matched pair is recommended for even, balanced ride height and handling. This listing is for one unit.
Is this KYB assembly compatible with the vehicle's electronic safety systems?
Yes — it's engineered to help vehicles equipped with electronic safety systems such as ESC and ABS, restoring proper ride height and original handling capabilities.
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