Bring back factory ride height and handling with the KYB Strut-Plus Suspension Strut and Coil Spring Assembly SR4118, a complete front-left corner unit that combines the strut, mount, and coil spring in one pre-assembled package. It drops in as a direct-fit replacement for the front-left corner of the 2003-2008 Pontiac Vibe and 2003-2008 Toyota Matrix — see the Buyer's Guide tab for the full engine-level fitment. A strut assembly supports vehicle weight, sets ride height, acts as the steering pivot, and helps control vehicle stability.
- Complete corner assembly: Includes a KYB Excel-G strut, mount, and application-engineered coil spring, pre-assembled for professional results.
- High carbon steel coil spring: Developed considering vehicle attributes and corner weights to help restore ride height within OE specifications and control weight without sacrificing ride quality.
- KYB damping and construction: A stronger steel outer shell and KYB's application-specific precision-designed damping valves.
- Side-specific design: Built with left and right part numbers as the vehicle manufacturer intended; this is the front-left unit, and it's engineered to help vehicles with electronic safety systems such as ESC and ABS.
Assembled in the USA.
Interchange: 172117 · 181373L · 182117
This part cross-references / interchanges with the following part numbers:
Frequently Asked Questions
What does this assembly include?
It's a complete front-left corner unit with a KYB Excel-G strut, the mount, and an application-engineered high carbon steel coil spring, all pre-assembled.
Which vehicles does the SR4118 fit?
It's a direct-fit front-left replacement for the 2003-2008 Pontiac Vibe and 2003-2008 Toyota Matrix. See the Buyer's Guide tab for full details.
Is this the left or right side?
This is the front-left unit. KYB uses side-specific left and right part numbers with side-specific design and components, as the vehicle manufacturer intended.
Do I need to replace both sides?
Struts are commonly replaced in pairs for balanced handling. This listing covers the front-left corner; order the matching opposite side separately if needed.
What does a strut assembly do?
It supports vehicle weight, determines ride height, acts as the steering pivot, and helps control stability. The KYB spring is designed to help maintain proper ride height.
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