Restore front-left ride height and handling with the KYB Strut-Plus Suspension Strut and Coil Spring Assembly SR4246 — a complete corner unit that combines the strut, mount, and coil spring in one pre-assembled piece. It drops in as a direct-fit replacement for the 2010-2015 Toyota Prius and 2012-2015 Toyota Prius Plug-In (see the Buyer's Guide tab for engine-level fitment). As an original-equipment supplier, KYB builds this unit to help restore the vehicle's factory handling and control.
- OE-restoring design: Built around a KYB Excel-G strut with a stronger steel outer shell and KYB's application-specific precision-designed damping valves.
- Matched spring: An application-engineered, high-carbon steel coil spring developed for the vehicle's weight to help maintain proper ride height without sacrificing ride quality.
- Side-specific build: Left and right part numbers with side-specific design and components, as the vehicle manufacturer intended.
- Safety-system aware: Engineered to help vehicles equipped with electronic safety systems such as ESC and ABS.
KYB's #1 recommended OE replacement choice for Asian vehicles and winner of Best Overall Import Aftermarket Product. Assembled in the USA and pre-assembled for professional results.
Interchange: 172689 · 182689
This part cross-references / interchanges with the following part numbers:
Frequently Asked Questions
What does this assembly include?
It's a complete corner unit that combines the strut, upper mount, and coil spring in one pre-assembled piece, built around a KYB Excel-G strut.
Which vehicles does the SR4246 fit?
It's a direct-fit replacement for the 2010-2015 Toyota Prius and the 2012-2015 Toyota Prius Plug-In. Check the Buyer's Guide tab for engine-level fitment.
What position is this assembly for?
This unit is cataloged for the front-left (driver-side) position, with a side-specific design and components as the vehicle manufacturer intended.
What kind of spring does it use?
It uses an application-engineered high-carbon steel coil spring developed for the vehicle's weight to help maintain proper ride height without sacrificing ride quality.
Should I replace both sides at once?
Struts wear together, so replacing the opposite corner at the same time is a common best practice for balanced handling. This listing covers the front-left assembly only.