Bring back factory-grade ride height and control with the KYB Strut-Plus SR4423, a pre-assembled rear right strut and coil spring unit that drops into the 2006-2014 Honda Ridgeline. Often searched as the KYB strut plus, it arrives as a complete corner unit — an OE-Restoring KYB Excel-G strut, a matched coil spring, and an upper mount — so you can service one corner in a single ready-to-install package.
- Complete corner assembly: combines the KYB Excel-G strut, high-carbon steel coil spring, and mount, exact-fit engineered and pre-assembled for professional results.
- Ride-height engineered: the high-carbon steel coil spring is developed around the vehicle's attributes and corner weights to help keep ride height within OE specifications.
- Built to control: a stronger steel outer shell and KYB's application-specific precision-designed damping valves are designed to help restore the vehicle's original handling and control.
- Side-specific design: engineered with left and right part numbers and side-specific components as the vehicle manufacturer intended — this unit is the rear right corner.
A strut assembly supports vehicle weight, sets ride height, and contributes to stability and electronic safety systems (ESC, ABS). This KYB Strut-Plus is the #1 recommended OE replacement choice for Asian vehicles and a winner of Best Overall Import Aftermarket Product. Sold individually as the rear right unit; for even, balanced handling, replace the opposing side as a matched pair.
Interchange: 172398R
This part cross-references / interchanges with the following part numbers:
Frequently Asked Questions
What is the KYB Strut-Plus SR4423?
It's a complete strut and coil spring assembly for the rear right corner — a pre-assembled unit combining a KYB Excel-G strut, a matched high-carbon steel coil spring, and an upper mount in one ready-to-install package.
Which vehicles does this rear right assembly fit?
It's a direct-fit replacement for the 2006-2014 Honda Ridgeline in the rear right position. See the Buyer's Guide tab to confirm the exact application for your vehicle.
Do I need to replace both rear struts?
This is sold individually as the rear right unit. Replacing the opposing side at the same time as a matched pair is recommended for even, balanced handling, though not strictly required.
What comes with these KYB complete struts?
Each unit includes the KYB Excel-G strut with a stronger steel outer shell, an application-engineered coil spring, and the upper mount — exact-fit engineered and pre-assembled.
How does the assembly help ride height?
The high-carbon steel coil spring is developed around the vehicle's attributes and corner weights, designed to help keep ride height within OE specifications and maintain it longer.
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